10.4.20. To offset the increased cost of variable interest rate mortgage loans

Amount

Taxpayers with mortgage-backed loans or credit contracts with variable interest rates taken out to finance home purchases may deduct the difference between the interest paid in 2024 and that paid in 2021, up to a maximum of taxpayer.

Requirements and conditions

• The property for whose acquisition the mortgage has been established must be the taxpayer's habitual residence.

• The increase in cost must be justified by a bank certificate, which must be kept available to the tax authorities.

• The total taxable base cannot exceed 52,800 euros in the case of joint taxation and 33,000 euros in the case of individual taxation.

• Documentary justification must be accredited by invoices or equivalent documents, which must be kept available to the tax authorities.

Incompatibility

This deduction is incompatible with the state deduction for investment in primary residence.

Completion

It will record the interest paid in 2024 and the interest paid in 2021.