Land and buildings
Freehold
£m
Long leasehold
£m
Short leasehold
£m
Plant and machinery
£m
Fixtures and fittings
£m
Assets under construction
£m
Total
£m
Cost or valuation
At 1 January 2017252.811.110.6901.329.668.51,273.9
Additions0.61.70.210.80.459.673.3
Acquisition of businesses8.78.7
Exchange differences(0.8)0.1(0.4)(11.7)0.2(0.6)(13.2)
Fair value adjustment(0.6)(0.6)
Transfer to assets held for sale(1.4)(1.4)
Recategorisation6.1(1.1)3.151.71.1(60.9)
Disposals(3.9)(31.2)(1.5)(0.1)(36.7)
At 1 January 2016253.411.813.5929.029.866.51,304.0
Additions0.60.10.38.50.472.582.4
Acquisition of businesses2.12.1
Exchange differences5.80.421.70.61.930.4
Transfer to assets held for sale(0.8)(0.8)
Recategorisation7.40.23.253.71.3(65.8)
Disposals(9.3)(1.6)(0.9)(39.3)(2.0)(0.1)(53.2)
Disposal of businesses(0.3)(0.6)(0.4)(1.3)
At 31 December 2018257.610.516.5974.329.775.01,363.6
Accumulated depreciation and impairment
At 1 January 2017110.84.97.1618.523.6764.9
Charge for the year6.51.00.748.41.558.1
Impairment losses incurred0.40.4
Exchange differences0.4(0.1)(5.5)0.1(5.1)
Transfer to assets held for sale(0.6)(0.6)
Recategorisation1.1(0.9)(0.2)
Eliminated on disposals(3.2)(29.5)(1.5)(34.2)
At 1 January 2018115.05.07.7632.123.7783.5
Charge for the year6.51.10.950.21.460.1
Impairment losses incurred0.11.71.8
Exchange differences2.60.215.10.418.3
Transfer to assets held for sale(0.5)(0.5)
Recategorisation(0.1)0.1(0.1)0.1
Eliminated on disposals(4.3)(1.6)(1.0)(36.6)(1.9)(45.4)
Eliminated on disposal of businesses(0.1)(0.4)(0.3)(0.8)
At 31 December 2018119.64.67.9661.523.4817.0
Carrying amount
At 31 December 2018138.05.98.6312.86.375.0546.6
At 31 December 2017138.46.85.8296.96.166.5520.5

At 31 December 2018 the Group had entered into contractual commitments for the acquisition of property, plant and equipment amounting to £3.1m (2017: £2.6m).

In addition to the above, property, plant and equipment amounting to £1.8m (2017: £2.1m) has been classified as held for sale and is disclosed within current assets.

During the prior year a £0.6m fair value adjustment was made to the value of acquired plant and machinery from 2016.

The Group restructured various operations during the year and identified £1.8m (2017: £0.4m) of asset impairments. Asset impairments broken down by business segment are as follows:

2018
£m
2017
£m
ADE:
Western Europe0.10.2
North America0.7
AGI:
Western Europe0.70.2
North America0.3
1.80.4

It is the directors' view that there are no material differences between the value of the land owned and their carrying value in the balance sheet.