Here are some useful links for UK online stores
ASDA www.asda.co.uk
OCADO/WAITROSE www.ocado.com
SAINSBURY'S www.sainsburys.co.uk
TESCO www.tesco.com
ARGOS www.argos.co.uk
JOHN LEWIS www.johnlewis.com
COMET www.comet.co.uk
CURRYS www.currys.co.uk
B&Q www.diy.com
HOMEBASE www.homebase.co.uk
SCREWFIX www.screwfix.com
WICKES www.wickes.co.uk
MAPLIN www.maplin.co.uk
PC WORLD www.pcworld.co.uk
EBAY www.ebay.co.uk