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Construction company Vienna that holds all trades, dates and prices together.

Construction company Vienna: from the building contractor that does the work — not from an agent.

Construction company Vienna: a construction company in Vienna costs 250 to 2,500 euros per square metre depending on the service. Refurbishment from €250/m², complete renovation €900–1,800/m², core renovation up to €2,500/m². One contract, one site manager, one fixed price according to ÖNORM B 2110 – instead of seven companies waiting for each other.

A construction company in Vienna costs €250 to €2,500 per square metre depending on the service. Refurbishment €250–500/m², complete renovation of an apartment €900–1,800/m², core renovation €1,500–2,500/m², basic renovation of an apartment building €1,500–2,000/m² of usable floor area. For time-and-material work, hourly rates of €58 to €78 apply for skilled workers. Skyline Bau carries out the non-regulated trades with its own people – demolition, drywall, screed, tiling, painting, insulation – and coordinates licensed partner companies for master builder services, structural design, electrics as well as gas and plumbing.
◆building contractor doing the work ◆Brand of Bling Bling GmbH◆GISA number in the legal notice, construction trade business◆Licensed partner companies◆Fixed price according to ÖNORM B 2110◆Construction liability insurance €3 million◆


What a construction company in Vienna costs

Net guide prices, as of 2026, binding after site visit. The overview shows the most common services – details are on the respective service pages.

ServiceNet priceConstruction timeMore on this
Apartment refurbishment€250–500/m²2–4 weeksApartment renovation
Complete apartment renovation€900–1,800/m²8–16 weeksRenovation Vienna
Gut renovation€1,500–2,500/m²12–20 weeksGut renovation
Basic renovation of an apartment building€1,500–2,000/m² UFA6–18 monthsTenement building renovation
Bathroom renovation€9,800–32,000 per bathroom12–20 working daysBathroom renovation
Drywall€40–120/m²depending on scopeDrywall
Screed laying€45–80/m²1–2 weeksScreed laying
Demolition and strip-out€45–180/m²1–3 weeksDemolition Vienna
Facade renovation€120–350/m²2–6 monthsFacade renovation
Roof renovation€180–450/m²2–5 weeksRoof renovation
Painting€12–28/m²3–10 daysPainting
Interior finishing€350–900/m²4–14 weeksInterior fit-out
Construction company Vienna: costs 2026 – net price overview
Construction company Vienna: the prices from the table at a glance, as of 2026, net.

Hourly rates for time-and-material work

QualificationNet hourly rateWhat for
Skilled worker58–78 €Execution, installation, craft work
Labourer44–58 €Assistance, demolition, transport, cleaning
Foreman or site manager75–105 €Coordination, measurement, acceptances
Small materials and consumables3–8 % of the wage totalScrews, tape, tool wear
Travel to and from site€45–120 per call-outwithin Vienna, flat rate

Time-and-material work is agreed where the scope is not fixed in advance – when tracing damage, for rework or small jobs. For defined services, a fixed price according to ÖNORM B 2110 is the rule.

Worked example · Old-building apartment 75 m², complete renovation by one company
Demolition, disposal, drywall€18,400
Electrics, plumbing, screed, underfloor heating€36,200
Bathroom, tiles, doors€24,700
Painting, floors, site management, cleaning€21,400

Total around €100,700 net, which is €1,343/m². Experience shows that awarding the work separately to seven companies does not result in a lower total – but then the client bears the coordination and every interface themselves.

Construction company for shell construction, roof renovation and loft conversion

Three enquiries reach us again and again in exactly this form: a construction company for shell construction, a construction company to renovate the roof, a construction company for a loft conversion. These are the areas where a single tradesman is not enough, because structural design, building physics and the authorities come together.

ProjectWhat we take onNet priceConstruction time
Shell construction of a detached houseExcavation, foundation, masonry, floor slabs, roof structure until weathertight€780–1,200/m²4–7 months
Shell construction with basementadditionally construction pit, basement walls, waterproofing, drainage€1,100–1,700/m²6–9 months
Roof renovationRoof covering, sheet metal work, insulation, disposal€180–320/m²2–5 weeks
Loft conversionStructural design, submission, shell, roof, windows, interior fit-out€2,400–5,500/m²8–14 months

The difference from a single trade: with shell construction we hand over weathertight and dimensionally accurate, with measurement and photo documentation — the basis on which the follow-on trades calculate. For roofs and lofts, the submission to MA 37 goes through us, because that is where most time is lost when nobody is responsible.

On the individual areas: shell construction Vienna, roof renovation Vienna and loft conversion Vienna.

What Skyline Bau does itself and what partner companies do

TradeExecutionBasis
Demolition, gutting, excavationour own peopleTrade licence according to GISA
Drywall, screed, tilingour own peopleTrade licence according to GISA
Painting, insulation, floor layingour own peopleTrade licence according to GISA
Master builder services, structural design, submissionlicensed partner company§ 94 no. 5 GewO
Electrical engineeringlicensed partner company§ 94 no. 16 GewO
Gas and sanitary engineeringlicensed partner company§ 94 no. 25 GewO
Roofer, tinsmithlicensed partner companyregulated trade
Skyline Bau is the brand of the construction and renovation division of Bling Bling GmbH, a restricted construction trade business under § 99 GewO – not a licensed master builder (Baumeister). Regulated trades are carried out by licensed partner companies, which are named in the quote and whose proof of authorisation you receive before the contract is signed. Your contractual partner remains one, and so does your warranty.

What is the difference between a construction company and a master builder?

The term “construction company” is an everyday umbrella term — it covers master builder companies, construction trade businesses and building craft businesses. Technical meaning: under the Austrian Trade Regulation Act there are two classes:

  • Construction trade business (§ 99 GewO): a building craft business with restricted authorisation, entitled to carry out construction work on site but without independent authorisation for planning and structural design. Bling Bling GmbH (under the brand Skyline Bau) falls into this class.
  • Building craft businesses: more restricted trades such as drywall, tiling, painting — without the status of a master builder or construction trade business.

For you as the client this means: choose according to your construction needs. For structurally relevant projects (new opening in a load-bearing wall, adding a storey, extension) a master builder company is required — or a construction company like our Bling Bling GmbH with licensed master builder partner companies. For pure refurbishment without changes to the floor plan, a construction trade business is sufficient.

What Skyline Bau does for you as a building contractor

Our role under the brand Skyline Bau is clearly defined: execution on site, coordination of trades and site management. We leave planning and structural design to authorised civil engineers or licensed master builder partner companies. Specifically, we provide:

  • Execution on site by Bling Bling GmbH. Apartment renovation, old-building renovation, general renovation, apartment building renovation — implemented as building craft work.
  • Coordination of trades by one site manager. One contact person instead of 12 tradespeople. The site manager coordinates the sub-trades.
  • Licensed master builder partner companies for regulated trades. Master builder structural design (§ 94 no. 5 GewO), electrical engineering (§ 94 no. 16), gas and sanitary engineering (§ 94 no. 25), heating engineering (§ 94 no. 31), chimney sweeps (§ 94 no. 55).
  • Site management and weekly photo documentation. For you, your property management and your insurer.
  • Fixed-price contract according to ÖNORM B 2110:2023. No surprise extras.
  • Construction liability insurance €3 million.
  • Warranty of 3 years under § 933 ABGB. For hidden defects up to 30 years under § 1489 ABGB.

Cost framework 2026

Cost framework under the Vienna Building Code · Skyline Bau as construction company 2026
Apartment renovation€1,000–1,800/m²
Whole building€1,500–2,500/m²
Small bathroom 4–6 m²€12,000–18,000
Medium bathroom 7–10 m²€18,000–25,000
Refurbishment without pipework€300–600/m²
Apartment building renovation€1,500–3,000/m²

Construction trades and their licences (§ 94 GewO)

Clients should know which trade licence covers what. As a building contractor, Skyline Bau bundles all relevant trades — through its own execution on site (Bling Bling GmbH) plus licensed partner companies for regulated tasks:

  • § 94 no. 5 GewO — master builder licence: planning, structural design, load-bearing structure. Provided by a licensed master builder partner company.
  • § 94 no. 16 GewO — electrical engineering: electrical installation, RCDs, zone classification in the bathroom according to ÖVE E 8001-1. Licensed partner.
  • § 94 no. 25 GewO — gas and sanitary engineering: water, gas and waste water connections. Licensed partner.
  • § 94 no. 31 GewO — heating engineering: heat pump, gas boiler, district heating connection. Licensed partner.
  • § 94 no. 55 GewO — chimney sweep: chimney sweeping, emission measurement. Licensed partner.
  • § 99 GewO — construction trade business: execution on site. Skyline Bau as the brand of Bling Bling GmbH — the direct provider.
  • Non-regulated building crafts: drywall, tiling, painting, floor laying. Directly by Bling Bling GmbH or independent craft partners.

Range of renovation and construction services

  • Apartment renovation. Apartments in all 23 districts.
  • House renovation. Renovation of detached and terraced houses.
  • Viennese old-building renovation. Viennese Gründerzeit 1848–1918 with reference to MA 19 protection zones.
  • General renovation. Full renovation. See the cost guide values.
  • Viennese apartment building renovation. Renovation of rental buildings under the MRG.
  • Core renovation. Full renovation stripped back to the shell.
  • Bathroom renovation. Small bathroom €12,000–18,000.
  • Kitchen conversion. New kitchen installation.
  • Tiling. Porcelain stoneware, natural stone, XXL formats.
  • Drywall. Partition walls, suspended ceilings, furring walls.
  • Painting. Interior and exterior painting.
  • Facade renovation. ETICS, original facades.
  • Balcony renovation. Covering, waterproofing, railings.
  • Underground car park renovation. Concrete repair according to ÖNORM EN 1504.
  • Loft conversion and adding a storey. With licensed master builder partners for structural design.
  • Demolition and strip-out. Interior demolition, partial demolition.
  • Excavation and paving. Basement rooms, driveways.

Vienna Building Code §§ 60–62a and procedures with the authorities

  • § 60 BO für Wien — permit requirement: for an opening in a load-bearing wall, adding a storey, extensions, change of use. Submission plans required. Procedure takes 3–8 months.
  • § 62 BO für Wien — projects subject to notification: for changes to non-load-bearing partition walls. Building notification to MA 37.
  • § 62a BO für Wien — projects exempt from a permit: pure interior refurbishment without structural intervention.
  • Responsibility of the MA 37 building police: building procedures at the respective Viennese district office.
  • MA 19 protection zone consultation: for addresses in protection zones (largely districts 1–9, parts of districts 10–19). Lead time 6–12 weeks.
  • Federal Monuments Office (BDA): for listed buildings.
  • Skyline Bau support with the authorities: our site manager handles the MA 19 consultation, preparation of submission plans and the completion notice under § 128 BO für Wien.

Subsidies 2026 for construction projects

  • wohnfonds_wien: renovation subsidy for Viennese apartment buildings and larger construction projects.
  • MA 25 housing subsidy: renovation subsidy for first-time buyers.
  • City of Vienna thermal and energy renovation: according to wien.gv.at.
  • Vienna climate and innovation agency: innovative construction projects.
  • Hauskunft Wien: neutral advisory institution.
  • FSW accessibility subsidy: up to €6,000.
  • Boiler replacement bonus 2026: up to €4,500.
  • BDA monument protection grant: up to 30 % of the construction cost.
  • Skyline Bau subsidy preparation: the site manager supports the preparation of applications free of charge.

Process in 12 phases — from the initial meeting to final acceptance

Initial meeting on sitefree initial inspection with measurement and assessment of the building fabric.
MA 19 pre-clarification / BDA enquiryfor protection zones or listed buildings. Lead time 6–12 weeks.
Renovation concept with 3 optionsBasic, Standard, Premium.
Consultation with licensed master builder partnersfor structurally relevant questions.
Preparation of submission plansfor projects requiring a permit.
Fixed-price quote ÖNORM B 2110:2023written contract with a committed construction period.
Building notification to MA 37communication with the authorities by the Skyline site manager.
Start on sitestrip-out, demolition, structural adjustments.
First-fix installationby licensed partners (electrics/plumbing/heating).
Screed + drying4–8 weeks.
Finishingtiling, painting, floor laying.
Final acceptance with photo documentationwarranty of 3 years § 933 ABGB.

Full coverage: all 23 districts

What a construction company in Vienna costs — market guide prices 2026

“Construction company” is an umbrella term, and prices vary widely accordingly. Only services with the same scope can be compared meaningfully. The values circulating on the Viennese market:

Hourly rate for construction & crafts

€60–90/h — depending on trade and qualification. Relevant for time-and-material work, not for fixed-price projects.

Partial renovation

from €400/m² — floors, painting, individual trades without intervention in building services.

Full renovation

€1,000–2,500/m² — strip-out, building services, electrics, floor build-up, surfaces.

Shell construction

€600–800/m² — foundation, walls, floor slabs, roof structure without fit-out.

New build ready for floor coverings

€1,900–2,700/m² of residential floor area — without floors and final surfaces.

New build, turnkey

€2,100–2,900/m² of residential floor area — handed over ready to move in.

For context: ranges are not prices. Where you end up within the range is decided by the condition of the building fabric — risers, electrics, structure, floor build-up. You only see that once things are opened up. That is why we state the price after the site visit as a fixed price and not beforehand as a range in a brochure.

How to recognise a reputable construction company

The Austrian Economic Chamber names criteria that have proven themselves in practice. Check them — with us as with anyone else:

  • Trade licence and chamber membership — ask to see the GISA number. It can be checked publicly. Ours: GISA number in the legal notice (Bling Bling GmbH, construction trade business under § 99 GewO).
  • Verifiable references — completed projects, not renderings.
  • Transparent cost estimate — items broken down individually, with quantities and unit prices. A lump sum without a breakdown is not a quote but a ballpark figure.
  • Compliance with the Vienna Building Code and OIB guidelines — including occupational health and safety rules on site.
  • A clear statement on regulated trades — who does gas, plumbing, electrics, structural design? Is the company authorised? Ask to see the proof. That is your right.
  • No deposit before work is done — payment according to construction progress, not in advance.

The most common traps in construction quotes

The missing item

Disposal, site set-up, dust protection, final cleaning — these are real costs that are often missing from cheap quotes and later come as extras. Check whether they are in the bill of quantities.

The waterproofing nobody mentions

If no bonded waterproofing is in the quote, it has not been calculated. In wet areas it is mandatory according to ÖNORM B 3407 — anyone who leaves it out saves on the only component that decides watertightness.

The optimistic construction time

Cement screed needs around 28 days until it is ready for covering, flowing screed 7–14 days. Anyone who promises a complete renovation with new screed in two weeks has either not planned any screed or is working against the readiness for covering. Both take their revenge.

The open procedure for extras

Ask specifically: what happens if damage appears when things are opened up? Is there a supplementary quote with your consent — or is work continued and invoiced afterwards? With us the rule is: we stop, take photos, get in touch. You decide before construction continues.

The unclear contractual partner

With referral portals you get quotes, but no contractual partner. With individual trades you have five contracts and five contact persons who point at each other when damage occurs. Clarify in advance: Who owes the overall service, and who is liable?

The Viennese market for construction companies — 496 businesses, three classes

In the federal state of Vienna alone, several hundred businesses are registered as building contractors or construction companies. The number says little — what matters is which of the three trade-law classes a business falls into. Because that determines what it is allowed to do at all.

Licensed master builder companies (§ 94 no. 5 GewO)

May plan, carry out structural calculations, manage and carry out construction — including interventions in load-bearing components. The most far-reaching authorisation in building construction. Anyone holding it has passed a qualification examination and provided relevant practical experience and proof of commercial suitability. If your project involves structural design, this is the right address — either directly or via a general contractor who involves such a company.

Construction trade businesses (§ 99 GewO)

May carry out work, but not plan or make structural assessments. For load-bearing components and structural design they involve a licensed master builder. That is our classification: Bling Bling GmbH is a construction trade business under § 99 GewO, GISA number in the legal notice. Under § 99 (5) GewO we are not allowed to call ourselves “Baumeister” (master builder) — and we do not.

Referral portals and directories

They do not carry out any construction work, but forward your enquiry for a commission. You get quotes, but no contractual partner. In the event of a defect, you have nobody who owes the overall service. That is not a reproach — it is simply a different business model, and you should know which one you are using.

Why company size says little

On the Viennese market you will find businesses that have existed for 170 years and others that have been on the market for three years. Taken on its own, neither says anything about suitability for your project.

  • Large corporations — strong in large projects and infrastructure. Usually oversized for an 80 m² apartment renovation; you are a small job among many there.
  • Medium-sized construction companies — the usual size for renovation, conversion and shell construction in residential building. Here the decision is usually made on references and communication, not on size.
  • Small businesses and sole traders — inexpensive for clearly defined individual trades. With several trades, you coordinate yourself.
  • General contractor — a contractual role, not a size class. A general contractor can be small and still owe the overall service, because it bundles the trades and is liable for them.

The more relevant question than “how big” is: Who is named in the contract, and who is liable if something goes wrong?

Check us out

Three things you should ask for from every contractor.

What you receive from us before signing the contract

A lot is claimed in construction and little is proven. These three proofs are the difference between a promise and a commitment — and you should ask every contractor for them, not just us.

1. The GISA number

Ours: 37945732 (Bling Bling GmbH, construction trade business under § 99 GewO). Publicly searchable in GISA — checked in thirty seconds. A business that does not want to give you its number has a reason for it.

2. Proof of authorisation of the partner companies

For structural engineering (§ 94 no. 5), electrical work (§ 94 no. 16), gas/plumbing (§ 94 no. 25) and tiling (§ 94 no. 38) we use licensed companies. You receive their proof of authorisation before signing the contract — not on request, not later.

3. A fixed price according to ÖNORM B 2110

With a bill of quantities. It also states what is not included. Extra work only with your written consent — with photo documentation before work continues.

And what we document is something you normally never see: photos of the rough installation before the walls are closed. The waterproofing before tiling. Both disappear behind plaster and tiles — and both decide whether the property will still be watertight in twenty years. You receive the pictures at handover. Not on request.

To be honest

What we do not promise.

Four things you hear elsewhere — but not from us

Trust does not come from someone promising everything. It comes from someone telling you where the limits are.

  • “We are the cheapest.” — We are not. Anyone who ignores drying times, leaves out the waterproofing and does not price in disposal is cheaper. Until the final invoice.
  • “It can be done in two weeks.” — Cement screed needs around 28 days to be ready for floor coverings. That is physics, not a matter for negotiation. Anyone who promises it anyway is working against the drying time — and in two years you will have hollow-sounding tiles.
  • “I can tell you right away on the phone what it costs.” — No. What a renovation costs is decided by the condition behind the wall. You only see it after opening up. A price given over the phone is either too high — then we lose the job — or too low, and then the extra charges follow.
  • “We do everything ourselves.” — We are not allowed to. Structural engineering (§ 94 no. 5), electrical work (§ 94 no. 16), gas/plumbing (§ 94 no. 25) and tiling (§ 94 no. 38) are regulated. Anyone who claims to do all of this themselves either holds four licences — or has a problem.

When you do not need us

Not every project needs a building contractor. During the site visit we will tell you honestly if we are the wrong choice for you — even if it costs us a job.

A single trade

If you only need a painter, you do not need a coordinator. Hire the painter directly — it is cheaper.

Mainly structural engineering and planning

If your project consists mainly of permit planning and structural calculations, go directly to a licensed master builder. A building contractor in between is one level too many.

Technically sound, just old

Copper pipes, waterproofing intact, no damp damage? Then a cosmetic refresh is enough. Save your money.

Why we say this: A customer we sold an unnecessary renovation to will not come back and will not recommend us. A customer we told honestly that their bathroom will last another ten years will call us in ten years — and in the meantime, when the riser pipes in the building are due for replacement.

All from a single source: seven points you can verify

The phrase appears on every second construction website. With us it means seven concrete things that you can check before signing.

PointWhat you gain
One contract according to ÖNORM B 2110one legal basis instead of twelve different sets of terms and conditions
One fixed price after a site visitthe total stands as long as you change nothing
One scheduleone completion date instead of twelve promises
One contact personone number, even when things get stuck
One invoicepayment according to construction progress, with a retention
A warrantyno dispute about which trade is to blame
One construction liability insurance€3 million cover for the entire project
The difference between a building contractor and a referral portal shows when there is a defect. A portal forwards your complaint and hopes the company that did the work responds. A building contractor sends someone. So ask before awarding the contract: who comes when a joint cracks in two years – and is that name in the contract? With us it is.

What we carry out ourselves

AreaExecution
Masonry and concrete work, openings, screedown team
Demolition, strip-out, disposalown team
Drywall, tiling, painting, floorsown team
Facade, insulation, scaffoldingown team with scaffolding partner
Electrics, gas, water, heatinglicensed partner companies, coordinated by us and under our responsibility
Structural design, surveying, energy performance certificatecivil engineers, commissioned by us
Why this matters: a company without its own people can only make more phone calls when there is a defect. Whoever employs bricklayers, drywallers and tilers sends them – even for half an hour. That is why we do not outsource the core work, even though it would be more convenient on paper.

Construction company in all 23 districts of Vienna

Vienna builds differently in every district. The table shows which building stock is typical and what matters there – whether you are looking for a construction company in Vienna and the surrounding area for an apartment in the 5th district or an extension in the 22nd district.

DistrictTypical existing conditionWhat matters
1010 Innere StadtOld town, Baroque and Gründerzeit buildings, almost entirely a protection zoneCoordination with MA 19, narrow access, loading zones and delivery times
1020 LeopoldstadtGründerzeit apartment buildings, plus new builds around Nordbahnhof and the PraterTimber beam floors and risers in old buildings
1030 LandstraßeGründerzeit, embassy quarter, council housingProtection zones in the embassy quarter, lift retrofitting
1040 Wiedendense Gründerzeit building stockAttic conversions, courtyard entrances, quiet hours in occupied buildings
1050 MargaretenGründerzeit apartment buildings with many small apartmentsMerging apartments, riser renovation
1060 MariahilfGründerzeit, shops on the ground floorsShop conversions, work outside opening hours
1070 NeubauBiedermeier and Gründerzeit buildings, businesses in back courtyardsCourtyard buildings, damp ground floors, protection zones
1080 Josefstadtsmall-scale old buildings, many protection zonesFacades and box windows according to MA 19 requirements
1090 AlsergrundGründerzeit, medical practices and officesConverting apartments into practices and back
1100 FavoritenGründerzeit in the north, council housing, new builds in the SonnwendviertelApartment renovation in old buildings, interior fit-out in new builds
1110 SimmeringCouncil housing, estate and detached housesBasements, damp, extensions
1120 MeidlingGründerzeit and council housingBathroom renovation, riser renovation
1130 HietzingVillas and detached housesHouse renovation, extensions, garden walls and retaining walls
1140 PenzingVillas, estate houses, slopes on the edge of the Vienna WoodsSlope water, retaining walls, wall damp-proofing
1150 Rudolfsheim-Fünfhausvery dense GründerzeitApartment building renovation in occupied buildings
1160 OttakringGründerzeit, slopes towards the Vienna WoodsDamp basements, loft conversion
1170 HernalsGründerzeit in the centre, detached houses on the outskirtsOld-building renovation and house renovation
1180 WähringCottage quarter, villas, GründerzeitVilla renovation, protection zones, damp-proofing
1190 DöblingVillas, cottage area, slopesSlope stabilisation, upscale apartment renovation
1200 BrigittenauGründerzeit and council housingApartment renovation, electrics in old buildings
1210 FloridsdorfDetached houses, new development areas, council housingExtensions, adding storeys, basements
1220 DonaustadtDetached and terraced houses, large new development areas such as SeestadtGroundwater during excavation, extensions, bathroom renovation
1230 LiesingDetached and terraced houses, commercial areasRoof renovation, extensions, commercial conversions

Outside Vienna we work in Klosterneuburg and in the area around Vienna in Lower Austria.

House builders near me: why distance matters

Anyone who wants to build a detached house and searches for house builders in their area comes across two very different offers. Prefab house providers deliver a house from a catalogue that is prefabricated in the factory and erected in a few days; the crew often comes from another federal state. A regional construction company builds the house on site, from excavation and floor slab to the roof, and coordinates the trades on the site.

Searching for “house builders near me” is therefore justified, but for a different reason than people usually think. Travel makes little difference to the price. What matters is how often site management is actually on site, how quickly someone is there when there is a problem and whether the company knows the local conditions: the ground on the outskirts of Vienna, the zoning provisions, access in a narrow residential street. After handover comes the warranty. A company that can reach you in half an hour is more likely to remedy a defect than one that has to plan a day's journey for it.

We build new houses in Vienna and the immediate surrounding area. Questions about the process, construction method and foundation are answered on the pages about new builds in Vienna and the floor slab.

Project assessment before purchase or conversion: what it involves in the 4th district

Before someone buys an old-building apartment or an apartment building or commissions a larger conversion, a project assessment is worthwhile. This means a technical building assessment: what condition are the floors, pipework, roof and basement in, what work is due in the coming years, and what is the order of magnitude of the costs? It does not replace an expert's report, but provides a solid basis for price negotiation and planning.

In Wieden, i.e. 1040 Vienna, the building stock is predominantly Gründerzeit and densely built. Typical questions here are whether the attic can carry a conversion, whether the timber beam floors have moisture damage at the bearings and when the risers will need replacing. Then there is the logistics: courtyard entrances are narrow, loading zones scarce, and quiet hours apply in occupied buildings. All of this affects construction time and price and belongs in the assessment before a contract is signed. Anyone taking over an entire building will find the next steps under apartment building renovation.

Building in Margareten: what is typical in the 5th district

The 5th district has a high proportion of apartment buildings from around 1900 with many small apartments, often room-kitchen-cabinet with the WC in the corridor. This results in three types of job that occur here more often than elsewhere. First, merging two small apartments, where walls are broken through, lintels set and pipework rerouted. Second, retrofitting a bathroom in an apartment that never had one. Third, renewing the risers, which affects the whole building and must be coordinated with the property management.

What all three have in common is that they take place in an occupied building. Noise, dust and water shut-offs must be announced, and material is carried up a narrow stairwell. A quote that does not contain these points as separate items is incomplete for Margareten. Details on the pipework are described on the page on riser renovation.

Frequently asked questions about construction companies in Vienna

How many construction companies are there in Vienna?
Several hundred businesses are registered in the federal state of Vienna as building contractors or construction companies. The number says little — what matters is the trade-law class: licensed master builder company (§ 94 no. 5 GewO), construction trade business (§ 99 GewO) or referral portal without its own construction work. This determines what the business is allowed to do at all and whether you have a contractual partner.
Does the size of the construction company matter?
Less than you might think. Large corporations are strong in infrastructure but usually oversized for an 80 m² apartment renovation. Small businesses are inexpensive for individual trades, but then you coordinate yourself. The more relevant question is: Who is named in the contract, and who is liable if something goes wrong?
What is a general contractor?
Not a type of trade, but a contractual role: one company owes the overall service and coordinates all trades. A general contractor can be small and still be liable for everything. We take on this role — construction work with our own people, regulated trades through licensed partner companies, one contract, one warranty.
What does a comparison portal give me?
Quotes — but no contractual partner. Portals do not carry out any construction work; they forward your enquiry for a commission. In the event of a defect, you have nobody who owes the overall service. That is not a reproach, just a different business model. You should know which one you are using.
Where can I find a construction company's trade licence?
In GISA (the Austrian trade information system) — publicly searchable free of charge. Ask for the GISA number and check it. Ours: GISA number in the legal notice, Bling Bling GmbH, construction trade business under § 99 GewO. A business that does not want to give its number is a warning sign.
What does a construction company in Vienna cost?
That depends on the scope of services. Market guide prices 2026: hourly rates for construction and craft services are €60–90/h. Partial renovation from €400/m², complete renovation €1,000–2,500/m², shell construction €600–800/m², turnkey new build €2,100–2,900/m² of residential floor area. We state the exact price after a free site visit as a fixed price.
Is Skyline Bau a master builder (Baumeister)?
No. Skyline Bau is the brand name of the construction and renovation division of Bling Bling GmbH. It is a restricted construction trade business under § 99 GewO and not a licensed master builder. Under § 99 (5) GewO, the title “Baumeister” (master builder) is reserved for businesses licensed under § 94 no. 5 GewO. Regulated trades are carried out exclusively by licensed partner companies that we coordinate.
What is the difference between a construction company, a building contractor and a master builder?
Construction company and building contractor are general umbrella terms without any meaning in trade law — they say nothing about authorisation. Baumeister (master builder), on the other hand, is a protected licence under § 94 no. 5 GewO: it authorises planning, structural calculation, site management and execution. A construction trade business under § 99 GewO may carry out work, but may not plan or make structural assessments.
Who is my contractual partner?
Bling Bling GmbH. Skyline Bau is its brand name for the construction and renovation division and not an independent legal entity. All quotes, contracts, invoices and the warranty run through Bling Bling GmbH.
How do I recognise a reputable construction company?
By six things: trade licence (the GISA number can be checked publicly), verifiable references, an itemised cost estimate with quantities and unit prices, compliance with the Vienna Building Code and OIB guidelines, a clear statement on regulated trades (who does gas, plumbing, electrics — and are they authorised?), and no deposit before work is done.
Do I have to pay a deposit?
No. Payment is made according to construction progress, not in advance. Anyone who demands a high deposit before lifting a finger shifts their business risk onto you.
What is a cost estimate — and what is a fixed price?
A cost estimate is an estimate; it can be exceeded. A fixed price is binding. We state the price after the site visit as a fixed price, with a bill of quantities — including what is not included. Anything that changes later only goes through a supplementary quote with your consent.
Do you work in all Viennese districts?
Yes, in all 23. The district says little about the price, but a lot about the building fabric: a Gründerzeit old building with a Dippelbaum floor is more laborious than a new build with a concrete slab. That goes into the calculation — not the postcode.
What if something unexpected turns up during the works?
We stop, document with photos and submit a supplementary quote. Work only continues after your written approval.
How quickly do I get a quote?
We reply to written enquiries on working days within 2 working days. The site visit is free and without obligation; afterwards you receive the fixed-price quote with a bill of quantities.
Are you a master builder company?

No. Skyline Bau is the brand name of the construction and renovation division of Bling Bling GmbH — a construction trade business under § 99 GewO. According to § 99 (5) GewO, only businesses with an unrestricted master builder licence may call themselves “Baumeister”. For master builder tasks (structural design, load-bearing structure, permit submission) we work with a network of licensed master builder partner companies.

What is the difference between a construction company and a master builder?

Construction company is an umbrella term. A master builder company (§ 94 no. 5 GewO) has an unrestricted licence for planning and structural design. A construction trade business (§ 99 GewO) has a more restricted licence for execution on site — this includes Bling Bling GmbH under the brand Skyline Bau.

Who plans our construction work?

Planning is carried out by authorised civil engineers or licensed master builder partner companies. Our site manager coordinates planning, execution and communication with the authorities as one contact person.

Who does the structural design?

Structural proof by an authorised civil engineer or a licensed master builder partner company (§ 94 no. 5 GewO). Our site manager organises the structural proof for the MA 37 submission.

Who is liable for construction work?

Bling Bling GmbH as the company carrying out the work under the brand Skyline Bau. Construction liability insurance €3 million. Warranty of 3 years § 933 ABGB. For hidden defects up to 30 years under § 1489 ABGB.

How does “all from a single source” work in practice?

Our site manager is one contact person. Bling Bling GmbH carries out the work on site. Licensed partner companies cover the regulated trades. The client has a fixed-price contract according to ÖNORM B 2110:2023 with Bling Bling GmbH.

How long does construction work take?

Refurbishment 3–8 weeks. Full renovation 8–16 weeks. Core renovation 16–24 weeks. Waiting time until the start of construction is currently 6–12 weeks due to high demand for Skyline Bau full-service jobs.

Does Skyline Bau offer a fixed-price contract?

Yes. Our standard contract according to ÖNORM B 2110:2023 with a clear list of items and a committed construction period. No extras without written approval.

How is the warranty regulated?

3 years under § 933 ABGB on construction work. For hidden defects up to 30 years under § 1489 ABGB. Construction liability insurance €3 million.

Which districts do you serve?

All 23 districts. Skyline Bau location

Do I need submission plans?

For structurally relevant wall openings under § 60 BO für Wien, yes. For changes to non-load-bearing walls, building notification under § 62. For pure refurbishment under § 62a, no permit required. Our site manager clarifies this in the initial meeting.

What about protection zones (MA 19)?

For addresses in protection zones (largely districts 1–9, parts of districts 10–19), consultation with MA 19 is mandatory. Lead time 6–12 weeks. Our site manager accompanies the consultation.

Which subsidies are possible for construction company jobs?

wohnfonds_wien renovation subsidy, MA 25 housing subsidy, FSW accessibility grant up to €6,000, boiler replacement bonus up to €4,500, BDA monument protection grant up to 30 %. Our site manager supports the preparation of applications free of charge.

What is the payment plan?

Standard payment plan: 30 % deposit when the order is placed, 40 % interim payment on completion of the first-fix installation, 30 % final payment on final acceptance. Alternative plan for small jobs 60/40 %. 14-day payment term.

Can Skyline Bau also take on the post-construction cleaning?

Yes. Bling Bling Premium Reinigung as a sister company offers post-construction cleaning, deep cleaning and maintenance cleaning. Combined offer at the end of a renovation.

Where can I find the legal notice?

Legal notice provider: Bling Bling GmbH, see Impressum.

How can we arrange an initial consultation?

Free initial consultation on site in Vienna. Our site manager with measurement, photo documentation and assessment of the building fabric. Then a renovation concept with 3 options and a fixed-price quote within 7–14 working days. Enquiries via the form on this page.

Why the split between Skyline Bau and Bling Bling GmbH?

Legal transparency. Skyline Bau is the established brand name for renovation, construction work and general renovation. Bling Bling GmbH is the legal and operating entity as a construction trade business. Interplay: brand Skyline Bau + authorised construction trade business Bling Bling GmbH + licensed master builder partner companies for regulated tasks.

What is the difference between a house builder and a prefab house provider?
A prefab house provider prefabricates walls and floors in the factory and erects the house on site in a short time, usually on a prepared floor slab. A construction company builds the house on site, is freer in terms of floor plan and material and also takes care of excavation, foundation and outdoor areas. Which option suits depends on the plot, budget and schedule.
What does a project assessment before buying an apartment cost?
That depends on size and scope. For an apartment, a site visit with a short written assessment is often enough; an apartment building with attic, basement and several risers needs considerably more time. We state the effort in advance as a flat fee, so that you know what you are getting into before we go into the building.
Can two apartments be merged in an apartment building?
Usually yes, but as a rule this requires a building permit because the floor plan and the number of apartments change, and for owner-occupied apartments the consent of the co-owners. Technically it is about the wall opening with structural design, the new pipework routing and sound insulation towards the neighbours. The permit should be in place before construction starts, not applied for in parallel.

Related services

◆ Partner company · Bling Premium Cleaning

Finished building? Post-construction cleaning is part of it.

Fine dust, adhesive residue, cement haze — that remains after every construction site. Bling Premium Reinigung takes care of post-construction cleaning as a partner company. More at bling-bling.at.

Legal clarification: Skyline Bau is the brand name of the construction and renovation division of Bling Bling GmbH. Bling Bling GmbH is a restricted construction trade business under § 99 GewO. For regulated trades such as master builder tasks (§ 94 no. 5 GewO), electrical engineering (§ 94 no. 16), gas and sanitary engineering (§ 94 no. 25), heating engineering (§ 94 no. 31) and chimney sweeps (§ 94 no. 38), we work exclusively with authorised, licensed partner companies. We do not use the title “Baumeister” to describe ourselves. Construction liability insurance €3 million. Warranty of 3 years under § 933 ABGB.
Bling Bling GmbH · Skyline Bau brand · Company details in the legal notice

Note: Skyline Bau is the brand name of the construction and renovation division of Bling Bling GmbH and is not a separate legal entity. The sole contractual partner is Bling Bling GmbH. Bling Bling GmbH is a restricted construction trade business under § 99 GewO (Austrian Trade Regulation Act) and not a licensed master builder (Baumeister). Under § 99 (5) GewO, the title “Baumeister” is reserved for businesses licensed under § 94 no. 5 GewO. Regulated trades — master-builder services, structural engineering, gas and sanitary engineering, electrical engineering — are carried out exclusively by authorised, licensed partner companies.

Enquire about a construction company in Vienna

Free site visit throughout Vienna. Fixed price after measurement. One contractual partner, one warranty. We reply to written enquiries within 48 hours on working days.

Enquiry about: Construction company Vienna
Construction emergency? Water damage, mould, acute damage — please contact us directly via WhatsApp 24/7 — we will come promptly.

You and Skyline Bau will each receive a confirmation by email.

A new bathroom — without surprises

We check pipes, floor build-up and electrics on site. Then you get the price. Not the other way round.

Legal note: Skyline Bau is the brand name of the construction and renovation division of Bling Bling GmbH and is not a separate legal entity. The sole contractual partner is Bling Bling GmbH — a restricted construction trade business under § 99 GewO, GISA number in the legal notice. It is not a licensed master builder.

Under § 99 (5) GewO, the title “Baumeister” (master builder) is reserved exclusively for businesses licensed under § 94 no. 5 GewO. Regulated trades — master-builder services (§ 94 no. 5), electrical engineering (§ 94 no. 16), gas and sanitary engineering (§ 94 no. 25), tiling (§ 94 no. 38) — are carried out exclusively by authorised, licensed partner companies. On request, you receive their proof of authorisation before signing the contract.

Bling Bling GmbH · Skyline Bau brand · Company details in the legal notice

Note: Skyline Bau is the brand name of the construction and renovation division of Bling Bling GmbH and is not a separate legal entity. The sole contractual partner is Bling Bling GmbH. Bling Bling GmbH is a restricted construction trade business under § 99 GewO (Austrian Trade Regulation Act) and not a licensed master builder (Baumeister). Under § 99 (5) GewO, the title “Baumeister” is reserved for businesses licensed under § 94 no. 5 GewO. Regulated trades — master-builder services, structural engineering, gas and sanitary engineering, electrical engineering — are carried out exclusively by authorised, licensed partner companies.