In this article
The principle
VAT is charged on construction and renovation work. When the work concerns housing that the owner will occupy as a principal residence, the rate is 3% rather than 17%. The difference is a tax advantage granted by the State.
That advantage is capped at €50,000 per home created or renovated. According to Guichet.lu, the total tax favour cannot exceed €50,000 per dwelling.
To put the cap in context: the difference between 17% and 3% is 14 percentage points. At that rate, €50,000 of advantage corresponds to roughly €357,000 of construction or renovation work before VAT. Above that amount, the normal rate applies to the excess.
Who can benefit
The advantage is designed for owner-occupiers.
- New construction qualifies when the home will be the owner's own principal residence.
- Renovation of an existing home can also qualify, subject to conditions on the age of the building, and the Housing Ministry notes that, for renovation, the favourable rate can extend to rental property. For new construction intended to be rented to third parties, it no longer applies.
- The owner must actually move in. Guichet.lu refers to an occupation requirement: the home must be occupied as the principal residence, and leaving or letting it within two years can require part of the advantage to be repaid.
Because the rules differ between new construction and renovation, and between owner-occupied and rental homes, check the current conditions for your exact situation before relying on them.
Two ways to obtain it
Direct application of the 3% rate
The most common route for buyers of new homes. With an approval from the Administration of Registration, Domains and VAT (AED), the developer or contractor invoices the eligible work at 3% directly. You never pay the 17%.
In an off-plan purchase, the developer usually handles the request with you. Ask for it at the reservation stage, because it has to be in place before the invoices are issued.
Refund after the event
If the work was invoiced at 17%, for example because you commissioned several contractors yourself, you can apply to the AED for a refund of the difference, within the cap and the deadlines.
Keep every invoice. Whichever route you take, the advantage depends on documented work. Invoices must identify the property and the nature of the work.
New builds bought off-plan
When you buy a new apartment off-plan, the price quoted by the developer usually assumes the 3% rate on the construction part, on the understanding that you will occupy the home. Read the contract to see what happens if you do not qualify, for example if you decide to rent it out, or if you have already used your €50,000 on a previous home. The price can be revised upward by the VAT difference.
Our guide to buying off-plan covers the rest of the VEFA process.
Renovation
For owners of older homes, the 3% rate on renovation works can make a substantial energy renovation much more affordable: insulation, windows, heating systems, bathroom and kitchen renewal. Combined with the national energy renovation grants, it changes the economics of improving an older flat or house.
Before starting works, confirm which items are eligible. Movable items, furniture and certain equipment are not construction work and do not qualify.
Interaction with other measures
The 3% VAT is separate from, and cumulative with:
- the Bëllegen Akt tax credit on registration duties for a principal residence, explained in our guide to registration duties;
- the housing aid and loans for buyers managed by the Housing Ministry;
- energy renovation grants.
In July 2026 the government also announced a reduced 8% VAT rate for certain new homes built for affordable rental, subject to strict criteria and legislation. It is a different scheme from the 3% for owner-occupiers.
Documents to keep
Whether you benefit through the developer or claim a refund yourself, keep a dedicated file with:
- the approval or confirmation from the AED for direct application, if applicable;
- every invoice for eligible work, showing the property address and the VAT rate applied;
- proof that the home is your principal residence, such as your registration at the address with the commune;
- the notarial deed and, for an off-plan purchase, the payment calls.
If the tax administration asks questions years later, this file is what answers them.
Common mistakes
- Assuming the cap is per person. It is per home.
- Forgetting the occupation requirement and letting the home out too soon.
- Starting renovation works before checking eligibility and discovering some invoices do not qualify.
- Not asking the developer about direct application until the first invoice arrives at 17%.
A quick example
A buyer purchases a new two-bedroom apartment off-plan as her principal residence. The construction part of the price is €420,000 before VAT.
- At 17%, VAT would be €71,400.
- At 3%, VAT is €12,600.
- The difference is €58,800, which exceeds the €50,000 cap.
- She therefore benefits from €50,000 of advantage, and €8,800 of VAT is due at the normal rate on the excess.
The example is illustrative, and the developer's calculation will follow the AED's method, but it shows why the cap matters on higher-priced new builds.
Our take
The 3% housing VAT is generous and well established, and for most first-time buyers of new homes it is built into the price they see. The points to watch are the cap per home, the occupation requirement and the difference between new construction and renovation. Ask the developer or contractor early, keep the paperwork, and move in as planned.
For the full picture of what buying costs, see our guides to the buying process and the Luxembourg property market.
Sources
This article describes general rules and market practice in Luxembourg and is not legal, tax or financial advice. Rules and announced measures change; confirm the position that applies to you with a notary, your bank or a tax adviser before signing.
