HMRC Marriage Allowance Tax Relief Guide 2026/2027

UK Marriage Allowance Tax Relief Calculator (£1,260 Transfer)

Calculate your annual £252 tax savings by transferring £1,260 of Personal Allowance to your spouse, and check backdated 4-year refund claims (up to £1,008).

Spousal Tax Savings Calculator

Must be ≤ £12,570
Must be between £12,571 & £50,270
Marriage Allowance ResultEligible for £252/yr Relief
Transferred Allowance£1260
Annual Tax Savings£252
Max 4-Year Backdated Refund£1,008

Frequently Asked Questions (FAQ)

Backdated Claim Alert

HMRC allows you to backdate Marriage Allowance claims for up to 4 past tax years. Claiming today can result in a direct tax refund cheque of up to £1,008!