Advisory fuel rates
New fuel rates come into force.
Land transaction tax (Wales)
Wales assumes responsibility for setting its own land transaction tax rates in place of stamp duty land tax.
Marriage allowance
Marriage allowance rises to £1,185.
Higher-rate threshold
Higher-rate income tax threshold increases from £45,000 to £46,350.
Capital gains tax allowances
Capital gains tax annual allowance for individuals increases to £11,700; and to £5,850 for trustees.