Software
£m
Non-
compete
agreements
£m
Customer
relationships
£m
Total
£m
Cost
At 1 January 201317.72.933.754.3
Exchange differences(1.1)(1.1)
Additions3.03.0
Disposals(0.5)(0.5)
At 1 January 201420.22.932.655.7
Exchange differences(0.3)1.41.1
Additions4.14.1
Acquired on acquisition of businesses (see note 24)1.21.2
Disposals(0.2)(0.2)
At 31 December 210423.82.935.261.9
Amortisation
At 1 January 201311.90.17.319.3
Exchange differences(0.8)(0.8)
Charge for the year1.00.73.85.5
Disposals(0.5)(0.5)
At 1 January 201412.40.810.323.5
Exchange differences(0.2)0.30.1
Charge for the year0.90.73.24.8
Disposals(0.2)(0.2)
At 31 December 201412.91.513.828.2
Carrying amount
At 31 December 201410.91.421.433.7
At 31 December 20137.82.122.332.2

The amortisation periods for intangible assets are:

Years
Software3 to 5
Non-compete agreements4 to 5
Customer relationships10 to 15

Intangible assets are amortised on a straight-line basis and the amortisation is recognised within administration expenses.