GroupCompany
2016
£000
2015
£000
2016
£000
2015
£000
Trade receivables41,93137,876
Non trade receivables and prepayments1,4551,9884151
Amounts owed by subsidiary undertakings33,57225,458
43,38639,86433,61325,509

Details of the security held over receivables and inventories is provided in note 26.