What can I deduct in my Luxembourg tax return?
The Luxembourg tax return allows you to deduct a number of costs.
Here are a few examples:
Under "Acquisition fees" :
(Flat-rate minimum €540)
- Contributions paid to professional chambers and unions
- Books used almost exclusively for professional purposes
- Professional clothing
- Work tools used almost exclusively for professional purposes
- Continuing education expenses necessary for the performance of your profession.
Under "Special expenses" :
(Flat-rate maximum €672 per person in the household)
- Debtor interest on consumer loans
- Insurance contributions and premiums
Here are a few examples:
- Car insurance (only third-party liability and protected driver)
- Home insurance (only third-party liability)
- Supplementary health insurance
- Life insurance
- Housing savings
(taxpayer from age 18 to 41 max. €1,344 per person in the household)
(taxpayer over the age of 41: €672 per person in the household)
- Old age pension (max. €3,200 per taxpayer)
- Donations (minimum total of €120)
Under "Main residence" / "Future main residence" :
Interest charges relating to property loans for your principal residence
Upper limit depending on the year of availability and household composition :
- Availability date after 31/12/2022 : Full deduction.
- Availability date between 31/12/2018 and 01/01/2023 : €4,000
- Availability date between 31/12/2013 and 01/01/2019 : €3,000
- Availability date before 01/01/2014: €2,000
**For the year of acquisition of the principal residence only: **
- Notary fees for opening a mortgage loan
- Bank commission
Under "Allowances" :
- Domestic help and care and/or childcare expenses (max. €5,400)
Here are a few examples:
- Nursery ("Crèche")
- Day care center ("Maison relais")
- Cleaning company or staff
Under "Other" :
- Extraordinary expenses
(These expenses are deductible provided they reach a certain minimum threshold. See here: https://help.taxx.lu/en/article/why-are-my-extraordinary-charges-not-included-in-my-tax-return-1207aiv/)
- Medical expenses not reimbursed by the CNS or supplementary health insurance (including pharmacy costs)
- Divorce costs
- Civil court costs
- Funeral expenses
- Maintenance of people unable to claim financial support
- Diets (on prescription)
- Pensions and permanent expenses (in the event of divorce)
- Children not forming part of the household (max. 4422€)
Don't know where and how to declare the many deductions? Use taxx.lu to help you fill in your tax return easily!
Updated on: 23/05/2025
Thank you!