Tax rates & allowances

Main capital allowances

Plant and machinery allowances Rate
Annual Investment Allowance (AIA)
- expenditure 1.1.19 - 31.12.20 £1,000,000 100%
- expenditure pre 1.1.19 200,000 100%
Energy/water-efficient equipment 100%
Writing down allowance: general pool (reducing balance) 18%
Writing down allowance: special rate pool (reducing balance)* 6%

Motor cars purchased From 1.4.18
CO2 (g/km)
1.4.15 to 31.3.18
CO2 (g/km)
Allowance
New cars only up to 50 up to 75 100%
In general pool up to 110 up to 130 18% pa
In special rate pool* above 110 above 130 6% pa

*8% pre 1.4.19 (companies) and pre 6.4.19 (businesses subject to income tax).

Structures and buildings allowance  
Expenditure from 29.10.18 (straight line basis) 2%
Tax rates 2019-2020PDF document