Many of the top 10 performing stores are specialist shops including Apple, which came third, health and beauty chain Lush, fourth, and Jones Bootmaker, eighth.

PC World, JJB Sports and WHSmith were among the worst rated retailers.

Which? chief executive Peter Vicary-Smith said: “We know people appreciate good customer service so retailers need to realise that ‘Who cares, wins’. Some stores are clearly giving their customers what they want, so why settle for lousy service? We urge shoppers to vote with their feet and stamp it out.”