Allders will sell half-price duvets from next Thursday. At Harrods, bargains include a Royal Doulton Royal Crown Derby 55-piece dinner and tea service reduced from £4,694 to £469. Up to 75 per cent will come off labels such as Alice Temperley and Marc by Marc Jacobs, with 50 per cent off Dolce & Gabbana, when the sale starts on 28 June.