New Look announced yesterday that July's heat wave has helped the group get off to a "strong start" in the second quarter of the year.
Like other fashion retailers it suffered as a result of freezing temperatures in the spring, although like-for-like sales were still up 1pc in the three months to the end of June.
Total sales rose 4.9 per cent to £363m while earnings before interest, tax, depreciation, and amortisation rose 13.1 per cent.
Sales through its online business were particularly strong, soaring by 78.7 per cent in the period.
Chief executive Anders Kristiansen said: "Good weather brings good business to the high street. We have had a cracking start to the second quarter."
The hot summer weather at the start of the second quarter meant it had also sold more items at full price, with fewer markdowns. Primarily skirts, dresses and swimsuits have been flying off the shelves.
New Look's clothes are endorsed by Kelly Brook but Mr Kristiansen signalled that there were no plans to pursue major celebrity collaborations in the future.
He said: "We believe very much it is the product that has to sell. It is about having the latest trend and the right quality rather than having a celebrity campaign."
The group has more than 1,100 stores worldwide including around 600 in the UK, while it has more than 2.5 million visits a week to its website. Further international expansion is planned in India and China.
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