Martin Lewis warns millions have weeks until key £1,260 deadline

Personal Finance
4 Mar 2026 • 10:59 PM MYT
The Independent
The Independent

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Martin Lewis has urged millions of Brits to act within the weeks to make sure they don’t miss a tax break deadline.

The Money Saving Expert founder explained that those who are married or in civil partnerships, and are under 90 years old, may be entitled to a £1,260 tax break called the Marriage Tax Allowance - something around 2 million couples in the UK miss out on.

If entitled, one of you can transfer that sum of money to the partner who earns more and gain £252 for this tax year. You may also be able to backdate for the previous four years and get an additional £1,000.

However, Mr Lewis warned that you need to act before 5 April to benefit from the tax break.