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PAYEWise.ie is independent and is not part of Revenue.
Tool
20% of the increase in your mortgage interest compared with 2022, where your 31 December 2022 balance was between 80,000 and 500,000 euro. The maximum is 1,250 euro for 2023 to 2025 and 625 euro for 2026.
Last reviewed 2026-10-28 (awaiting sign-off by a named tax-qualified reviewer). Every factual tax rule on this page is backed by a dated Revenue source. Spotted an error? Use the contact page.
You will need: Interest 2022, interest claim year, 2022 balance.
Do not enter your PPSN, bank details or passwords anywhere on this site. The tools do not need them.
Read the rules first: Mortgage Interest Tax Credit.
Result says check with Revenue, or your year is complicated? Ask an accountant (no obligation).