Fashion sales at department store John Lewis soared 20.1% including VAT, in the week to June 25, with the start of its Clearance sale.
Trade was 14% higher than in the first four days of Clearance last year and in fashion kidswear performed particularly strongly, up 42%.
Total sales were up 18.2% excluding VAT and all stores open more than a year showed sales growth with most up in double-digits.
Cardiff, Peterborough and Leicester led the way all showing increases of over 20%. Online sales were up 45.8% on the same week last year, with click and collect volumes doubling and online fashion sales jumping 80%.