Its stores on Bond Street, Sloane Street and at the Royal Exchange in the City are regarded as temples of sophistication by its loyal customers, who include swathes of the capital's international A-list celebrities. But latest accounts for the British subsidiary, Prada Retail UK, show sales in 2002 slipping by £ 400,000 , abruptly ending five years of unbroken and spectacular growth. The figures also reveal that the company has had to lay off 19 members of staff to cut costs.