British fast fashion retailer Topshop plans to launch three stores in Manhattan following the success of supermodel Kate Moss' collection for the chain, its owner Philip Green said.

Green told Reuters sales of the first clothes range by Moss were "very good" in the week since it went on sale in the United States at upmarket department store Barney's.

British model Kate Moss poses with her fashion collection in the Topshop window of at their flagship store at Oxford Circus in central London April 30, 2007. Shoppers were able to purchase clothes at the flagship retail chain store ahead of the official launch on Tuesday. [Reuters]

It was now a natural progression to launch Topshop stores with a full range of its inexpensive, fashionable clothes.

"We are looking for sites this week but realistically nine months is the time horizon to get a store sorted and opened," Green said.

Green, one of Britain's most successful retailers, added he was also scouting for real estate in Paris with the aim of opening a Topshop flagship store there in the next few months.

However, he denied reports of a Topshop listing on the back of any US launch. Bankers estimate the fashion chain is worth around 2 billion pounds ($A4.77 billion).