Corporation tax super-deduction on certain plant and machinery until 31 March 2023: 130%

First Year Allowance (FYA) on certain plant, machinery and cars at 0g/km: 100%

Annual investment Allowance (AIA) £1,000,000 (£200,000 from 1 April 2023)
Excludes cars.

Corporation tax FYA on long life assets, integral features of buildings etc. until the 31 March 2023: 50%

Writing Down Allowance
Long-life assets, integral features of buildings, cars over 50g/km:  6%
Other plant and machinery: 18%

Structures and Buildings Allowance: 3%