What is the average cost of building a house in Luxembourg?

The average price is between €2,500 and €4,000 per m2 for a turnkey house, including VAT 3%, excluding land and architect's fees. For a 150 m2 house, you should expect to pay between 375,000 and 600,000 euros for the work, depending on the type of construction and the level of finish. The overall budget for land and construction in Grand-Duche generally exceeds one million euros.

Do I need an architect to build in Luxembourg?

Yes, for any new build requiring planning permission, the plans must be drawn up and signed by an architect registered with the OAI, the Ordre des Architectes et Ingenieurs-Conseils du Grand-Duche de Luxembourg. Only certain minor interior works that do not affect the structure may be exempted.

Can I benefit from VAT at 3% for my new build in Luxembourg?

Yes, if the house is used as a main residence. The maximum tax benefit is €50,000 per home created. There are two options: direct application after AED approval, or reimbursement after the fact by the Registration Office. The property must be occupied as a principal residence for 2 years.

What is Bellegen Akt and how much is it?

The Bellegen Akt is a tax credit on registration and transcription fees for the purchase of a home for personal use. Since the law of 3 July 2025, it has been perpetuated at 40,000 euros per purchaser and 80,000 euros for a couple. There are no income requirements.

How long does it take to build a house in Luxembourg?

From the time the planning permission is signed to the time you move in, you should allow 12 to 18 months. The design and planning application phase takes 2 to 4 months, the planning application process takes 6 to 12 weeks, and construction takes 7 to 14 months, depending on the type of construction and the complexity of the project.

What legal guarantees apply to a new build in Luxembourg?

There are three legal warranties to protect building owners: the 10-year decennial warranty on the structure and waterproofing, the 2-year biennial warranty on separable equipment, and the 1-year guarantee of perfect completion to remove any reservations noted on acceptance.

What is the NZEB standard and is it compulsory for my new home in Luxembourg?

The NZEB (Nearly Zero Energy Building) standard has been compulsory for all new builds in Luxembourg since 2017. It requires reinforced thermal insulation, controlled air tightness, double-flow ventilation, high-performance windows and an efficient heating system such as a heat pump. It corresponds to energy classes AAA or AA in the Luxembourg energy passport.

Timber-frame or masonry house in Luxembourg: which should you choose?

Both are excellent and comply with the NZEB standard. Masonry offers superior thermal inertia and is culturally valued in Grand-Duche. Timber framing is 2 to 4 months faster and often slightly cheaper. For projects with tight budgets or short deadlines, timber framing is often the best compromise.

3% VAT + €40,000 Bëllegen Akt in Luxembourg

New Home Construction Quote in Luxembourg

Compare up to 3 quotes from certified construction companies for your new home in Luxembourg. Masonry, timber frame, passive house — free, no commitment, response within 48 h.

Free & no commitment OAI-certified companies NZEB standard guaranteed

Your free quote Step 1 / 3

Step 1 — Your project

What type of construction are you looking for?

Free · No commitment · Max 3 quotes

Step 2 — Your situation

Your construction project

Your land status

Desired living area

Construction budget (excl. land)

Free · No commitment · Max 3 quotes

Step 3 — Your details

Where should we send your quotes?

First name *

Required

Last name *

Required

Email *

Invalid email

Phone *

Required

Plot address *

Required

To connect you with certified companies in your region of Luxembourg.

Project details (optional)

I agree that renov.lu may share my details with partner companies to receive quotes. Legal notice

I would like to receive advice from Renov.lu about my project

Secure data · GDPR

FAQ — New home construction in Luxembourg

What is the average cost to build a house in Luxembourg in 2026?

The average cost is between €2,500 and €4,000/m² for a turnkey house, incl. 3% VAT, excl. land and architect fees. For a 150 m² house, expect €375,000 to €600,000 in construction costs. The total land + construction budget typically exceeds €1 million in Luxembourg (sources: tack.lu, maison.lu).

Is an architect required to build in Luxembourg?

Yes. For any new construction requiring a building permit, plans must be drawn up and signed by an architect registered with the OAI (Ordre des Architectes et Ingénieurs-Conseils of the Grand Duchy). Only certain minor interior works not affecting the structure may be exempt (source: guichet.public.lu).

Can I benefit from the 3% VAT rate for new construction in Luxembourg?

Yes, provided the house is used as your primary residence. The maximum tax advantage is €50,000 per dwelling created. Two options exist: direct application (after AED approval, the company invoices at 3%) or retrospective refund from the Registration Authority (source: pfi.public.lu).

What is the NZEB standard and is it mandatory for new builds?

The NZEB (Nearly Zero Energy Building) standard has been mandatory for all new construction in Luxembourg since 2017. It requires enhanced thermal insulation, airtightness control, double-flow MVHR, high-performance windows, and an efficient heating system (heat pump in most cases). It corresponds to energy passport classes AAA or AA (source: klima-agence.lu).

Ready to start your build in Luxembourg?

Compare up to 3 quotes from OAI-certified builders, experienced with NZEB standards and local grants. Free, no commitment, response within 48 h.

Get my free quotes → Simulate my project cost