The UK's third largest electronics retailer, PowerHouse, closed its doors to the public on Friday following a serious slump in profits.

The store closures meant over 815 job cuts. Meanwhile, the company's administrative receiver, finance firm Deloitte & Touche, is trying to find a suitable buyer.

But the situation for warranty holders is rather confusing, simply because the company provided so many types of warranty. Most schemes are covered by insurance policies or third-party funding and remain valid. Customers should contact the telephone number on their warranty forms for confirmation, as D&T does not control these schemes.

However, Extracare or Easycare warranties purchased between 31 July and 20 August 03 and all Extracare warranties purchased from June 1997 to 25 June 2000 are not covered. These schemes were on PowerHouse's own balance sheets, which means it paid for any repairs under those warranties. But the cash-back element of those schemes purchased between the above dates is held separately and will be honoured.

All customers who have claims against PowerHouse should put the full details in writing and send it for the attention of the Joint Administrators, PowerHouse, Talisman Business Park, Bicester Road, Oxon OX26 6HR. D&T has promised to respond quickly to all claims.