Getting a Mortgage in Luxembourg: 2026 Guide

After the rate shock of 2022–2023, Luxembourg's mortgage market has settled into something almost comfortable. In early 2026, variable rates dipped close to record post-crisis lows, banks are competing for borrowers again, and the rules on how much you can borrow remain among Europe's most codified.

The 2026 rate environment

Two families of products dominate. The indicator above shows the current BCL/ECB average for new house-purchase loans, all initial-fixation buckets combined, a useful anchor point. Variable rates run a touch cheaper than fixed at short durations (variable tracks EURIBOR plus a bank margin); fixed rates climb with term, with short-term fixed sitting near the average and 20–30-year fixed reaching above it. Rates move month to month, so always confirm live quotes from at least three banks before committing. Many borrowers hedge with a split loan: part fixed, part variable.

How much can you borrow?

Luxembourg is one of the few countries where loan-to-value (LTV) caps are set by the financial regulator. Under CSSF Regulation 20-08:

Note that even at 100% LTV, you still need cash for notary fees and registration duties. On affordability, banks apply a debt-to-income practice of roughly 40%: total loan repayments should not exceed about 40% of net household income. Maximum terms are typically 25–30 years, with the loan usually ending before age 70–75.

Documents: what expats should prepare

Banks will ask for: passport/ID and residence permit, your last three salary slips, employment contract (probation periods raise eyebrows), last tax assessment, three to six months of bank statements, statements of existing loans, proof of deposit funds, and the compromis de vente or building plans. Non-residents and recently arrived expats face extra scrutiny: expect requests for foreign credit records, and note some banks cap LTV lower for non-residents. A stable CDI (permanent contract) remains the golden ticket.

State support in 2026

• Interest subsidy (subvention d'intérêt): income-dependent relief of 0.25% to 3.5% on up to €200,000 of loan (up to €280,000 with dependent children), for your main residence.
• Tax deductibility of mortgage interest: for your primary residence, interest is deductible up to €4,000 per household member per year for the first five years of occupation, €3,000 for the next five, then €2,000. Before you move in (e.g. during construction), interest is deductible without ceiling.
• Klimabonus (successor to PRIMe House): state subsidies for energy renovation and sustainable heating, cumulable with a renovation loan.
• Buyers also keep the Bëllegen Akt tax credit of €40,000 per person against registration duties on a main residence.

Shopping the banks

Never take the first offer. Spuerkeess (BCEE), BGL BNP Paribas, BIL and Banque Raiffeisen all negotiate: margins move with your salary domiciliation, deposit size and insurance bundle (ING Luxembourg has wound down its mass-retail lending, so it is no longer a realistic option here). A 0.20% difference on €600,000 over 25 years is worth roughly €17,000. Brokers and comparison tools such as switchr.lu can widen the net; just check whether the "deal" requires transferring your full banking relationship.

Mortgage insurance (assurance solde restant dû)

Banks require a declining-balance life insurance covering the outstanding loan if a borrower dies. You can pay a single premium upfront (deductible within a boosted tax ceiling, rising with age and children) or annual premiums (deductible within the standard €672 per household member insurance allowance). You are free to buy this policy outside your lending bank, often significantly cheaper.

Bottom line

Borrowing in Luxembourg in 2026 means a moving rate environment (see the live BCL/ECB figure at the top of the page), a hard 100/90/80% LTV grid, and a state that quietly refunds part of your interest if you claim it. The paperwork is heavy, but the subsidies are real: expats who file a Luxembourg tax return recover far more than those who don't.