GroupCompany
Non-current2017
£m
2016
£m
2017
£m
2016
£m
Deferred grants and contributions570.7517.4
Other creditors18.613.1
589.3530.5
GroupCompany
Current2017
£m
2016
£m
2017
£m
2016
£m
Trade payables35.244.1
Amounts owed to subsidiary undertakings8.79.5
Amounts owed to related parties12.1
Other tax and social security5.14.9
Deferred grants and contributions8.59.0
Accruals and other creditors222.6241.11.61.6
Deferred income39.542.6
323.0341.710.311.1

The average credit period taken for trade purchases is 23 days (2016: 26 days).

The carrying amounts of trade and other payables approximate their fair value.

Deferred grants and contributions

Group

2017
£m
2016
£m
At the start of the year526.4485.8
Cash received during the year29.017.3
Transfers of assets from customers33.532.8
Credited to the income statement – revenue(3.0)(2.6)
Credited to the income statement – other operating costs (see note 3)(6.7)(6.9)
At the end of the year579.2526.4