It’s surprising how many couples don’t make use of the marriage allowance for Income Tax, according to tax experts.

Mr Lewis explained it essentially delivers a £1,260 tax saving for married couples - adding that it applies 'provided one of you is aged under 90' - specifically those born after 5th April 1936.

The letter 'M' stands for Marriage Allowance, meaning you’ve received a transfer of 10% of your partner’s Personal Allowance.

Right now, the income tax Personal Allowance is still stuck at £12,570 and will remain frozen at that level until at least ...

When you say “I do”, you typically make a raft of promises to your partner – and are promised an array of benefits in return.

As well as the main personal allowance for income tax, which is £12,570 for most people, there are specific HMRC rules that can boost it.

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