Department store chain John Lewis has maintained its strong sales momentum in the new year, racking up 10.9 per cent growth in the week to January 5.

John Lewis personnel director Eric Gregory said: “In a week where most branches traded for six days against seven last year, the sales uplift of 10.4 per cent on last year was all the more impressive. While Clearance sales remain strong, our full-priced product offering, including our new lines, also performed well.

“No fewer than 19 branches posted increases on last year, with the strong results being reflected across the regions and in both city-centre and out-of-town shops.”

Sales at John Lewis Direct rocketed 46 per cent over the week, driven by strong assortment, availability and merchandising, according to Gregory.

He said that colder weather encouraged clothing sales and that branded womenswear was the strongest performer.

John Lewis Partnership stablemate supermarket chain Waitrose also roared into January, posting a 13.3 per cent increase – excluding John Lewis’s foodhall in its Oxford Street London store.

Waitrose delivered strong sales throughout 2007, although it typically receives an uplift over Christmas, when shoppers treat themselves.