35. Commitments

At the balance sheet date there were no commitments for capital expenditure contracted for but not yet incurred.

The Group leases various offices and warehouses under non-cancellable operating lease agreements. The leases have varying terms and renewal rights. The Group also leases various plant and equipment under operating lease agreements, also with varying terms. Lease expenditure charged to the income statement was £178m (2016: £186m).

The future aggregate minimum lease payments in respect of operating leases are as follows:


All figures in £ millions	2017		2016
Not later than one year		156		174
Later than one year and not later than two years		139		147
Later than two years and not later than three years		121		129
Later than three years and not later than four years		100		115
Later than four years and not later than five years		86		96
Later than five years		599		661

		1,201		1,322

In the event that the Group has excess capacity in its leased offices and warehouses it will enter into sub-lease contracts in order to offset costs. The future aggregate minimum sub-lease payments expected to be received under non-cancellable sub-leases are as follows:


All figures in £ millions	2017		2016
Not later than one year		45		44
Later than one year and not later than two years		45		46
Later than two years and not later than three years		40		44
Later than three years and not later than four years		35		39
Later than four years and not later than five years		33		34
Later than five years		138		155

		336		362