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Capital Allowances

Plant and machinery - Annual Investment Allowance

 

The Annual Investment Allowance (AIA) gives a 100% write-off on most types of plant and machinery costs, including integral features and long-life assets but not cars, of up to £100,000 p.a (£50,000 for expenditure incurred before 6 April 2010 (1 April 2010 for companies)). Special rules apply for accounting periods straddling these dates.

 

Any costs over the AIA fall into the normal capital allowance pools at either 10% or 20%. The AIA limit may need to be shared between certain businesses under common ownership. 

Other plant and machinery allowances

The annual rate of allowance is 20%. A 10% rate applies to expenditure incurred on integral features and on long life assets.

 

A 100% first year allowance may be available on certain energy efficient plant and cars, including expenditure incurred on new and unused zero emission goods vehicles on or after 6 April 2010 (1 April 2010 for companies).

Cars

For expenditure incurred on cars on or after 6 April 2009 (1 April 2009 for companies), costs are generally allocated to one of the two plant and machinery pools:

  • Cars with CO2 emissions not exceeeding 160 g/km will receive a 20% allowance p.a.
  • Cars with CO2 emissions over 160 g/km will receive a 10% allowance p.a.

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