John Lewis sales rose 7.1% to £91m last week as the Christmas trading period started in earnest.

John Lewis sales week ending November 9, 2013

The retailer said electrical and home technology sales were particularly strong, driving the bulk of a 28.4% increase in online sales.

The category performed well across the channels - IT sales were up 48% on last year and small electricals rose 42%.

Fashion sales jumped 5.2% and the retailer said the colder weather is boosting clothing.

Tim Harrison, head of retail implementation and format development, said: “Overall it was a week which has lots to be positive about, and a reaction to our Christmas ad we couldn’t have anticipated demonstrated that customers are excited about what John Lewis has to offer this Christmas.”

At sister retailer Waitrose sales grew 6.8% to £124.51m as shoppers turned their minds towards Christmas. The retailer said sales across all categories were becoming more festive.

Christmas cards, wrapping paper and cracker sales were up 300%, while panettone sales increased 108%.