BRITAIN IRELAND SCOTLAND YOUNG PEOPLE WOMEN Colin Graves and family RESULTS 2006 Ranking Worth Industry 716= £80m Convenience stores Since Graves, 58, started the York-based Costcutter business it has grown into a franchised network of more than 1,200 stores. Graves and his family own all the business and the City reckons that Costcutter may be the next convenience store group to be sold. It would attract much interest and may be worth £75m. We add £5m for other assets. RESULTS 2005 Ranking 751= Worth 2005: £65m