Tax
Marriage Allowance Calculator
Check whether you can transfer Marriage Allowance, the £252-a-year saving, and the backdated lump sum worth over £1,000 across earlier years.
Partner's income · £10,000
Not eligible
You must be a basic-rate taxpayer (under £50,270). At £70,000 you're higher-rate.One partner must be a non-taxpayer
Earning below £12,570The other must be a basic-rate taxpayer
Earning £12,570–£50,270£1,260 transfers between allowances
10% of Personal Allowance moves to the partnerSave up to £252/yr
£1,260 × 20% = £252 tax cutBackdate claims up to 4 tax years. Each year is claimed individually (HMRC handles the maths).
2024/25
£252
2023/24
£252
2022/23
£252
2021/22
£252
Total backdate
Apply on GOV.UK £1,008