Capital Allowances

 From 1 April 2010 there is a 100% Annual Investment Allowance on the first £100,000 of capital expenditure on plant and machinery.

  2010/11 2009/10
Main writing down allowance 20% 20%
Special writing down allowance  10% 10% 
Plant & machinery 20% 40%
Industrial / agricultural buildings / qualifying hotels 1% 2%
Long life machinery and plant 10% 10%
Integral features in buildings 10% 10%
Patent rights and know how 25% 25%
Research and development 100% 100%
Energy saving / water efficient plant and macinery 100% 100%
Pre-April 2009 cars 20% 20%
New electric vans 100% -
Post-April 2009 cars:    
CO2 emissions up to 110g/km 100% -
CO2 emissions between 110g/km – 160g/km 20% -
 Co2 emissions over 160g/km 10% -