Body Content Personal allowances Standard rate 20% Single £2,600 Married £5,200 Earned income fraction 1/4 Earned income maximum £3,400 Thresholds (exemption limits) Marginal rate 27% Single £11,020 Married £17,680 Single (aged 63 or over for the whole of the year) £12,300 Married (aged 63 or over for the whole of the year) £20,250 Other allowances Additional personal £4,500 Wife's earned income £4,500 Child reduction (calculated by reference to the excess of child's income over £2,500) £2,500 £1 for £1 Child in further education reduction (calculated by reference to the excess of child's income over £2,500) £5,000 £3 for £2 Retirement annuity relief 15% of relevant earnings (including other pension contributions) to a maximum £15,000 Aged 40 - 49 25% of relevant earnings (including othe pension contributions) to a maximum £25,000 Aged 50 or over 35% of relevant earnings (incuding other pension contributions) to a maximum £35,000 Motor expenses Flat rate per mile: car 55p Marginal relief calculation of personal tax