Main Capital Allowances


Allowance %
Plant and machinery  
- annual investment allowance: £100,000* 100
- certain energy efficient plant, including low emission cars 100
- writing down allowance: general pool 20
- writing down allowance: special rate pool 10
*will fall to £25,000 on 1.4.12 (companies) or 6.4.12 (income tax traders); WDA fall to 18%/8% at same date.
The special rate pool includes long life assets, integral plant in buildings, thermal insulation and cars with CO2 emissions over 160g/km. The general pool contains other plant and machinery.
The old system of cheap/expensive cars has been abolished, but transitional rules cover existing expenditure before April 2009.