Marriage Allowance UK: Claim £252 a Year From HMRC

Marriage Allowance lets you transfer £1,257 of your personal allowance to your spouse, saving them up to £252 in tax each year

You qualify if one of you earns under £12,570 and the other is a basic-rate taxpayer

You can backdate the claim up to four tax years, taking the lifetime saving above £1,200

Apply free on GOV.UK in five minutes - no third-party 'reclaim' service needed