Retail giant John Lewis reported its strongest weekly growth rate since early January
Figures show a 7.3 per cent increase on last year's sales in the week to 9 April.
Improved weather boosted summer fashion sales with a 10.3 per cent increase.
“The general impression remains that consumers are reining in their spending,” said chief UK economist Howard Archer, IHS Global Insight.
The latest week was highly dependent on major gains of 13.5 per cent and 9.8 per cent at the Oxford Street and Brent Cross stores.