Better still click this
http://help.ebay.co.uk/ikanisa/viewgsdoc.jsp?searchMode=GuidedSearch&docID=KC.en_ UK_F_help_F_sell_F_end_early_D_html&dialogID=43602 4409&iterationID=1&sessionID=anonymous|436026291&l ocale=en_UK&url=http://pages.ebay.co.uk/help/sell/end_early.html