and claim the Marriage Allowance! As mentioned before about 0% tax on your income up to a point, when you get married you are allowed to transfer £1,260 to your husband, wife or civil partner. This effectively reduces their tax by up to £252 in the year To make the most of the Marriage Allowance one of the partners income would have to be below the Personal Allowance Check the calculation below You can even backdate your Marriage Allowance to 5 April 2018 if you were married at that time, thats 4 years so £252 x 4 = £1008 Marriage Allowance waiting for you to claim it