Arden Grange users - where to buy?

We've just started changing Cooper from the Iam's he was bred on, onto Arden Grange.

The local pet supermarket are selling it for £45 a 15kg bag, whereas I was paying £37 for the Iams, is this the usual price or does anyone know anywhere to source it from cheaper?

Thank you

Sounds about right for pet shop prices for AG, but i do feed & recommend this food myself.

If you google arden grange, sometimes it pops up on websites on offer

http://www.champdogsforum.co.uk/board/topic/132738.html

found this, hope link works