Roast, the London restaurant of Iqbal Wahhab, is to launch a fast food version of the British dining concept. The Roast takeaway outlet will open at Westfield in September, marking the first of a planned group of outlets offering quality hot British food on the go. Roast, which opened the original 120-seat restaurant at Borough Market in 2005 and runs a food stall at the market, hopes to expand the take-away concept across London. The Westfield branch is set to open in September and will trade seven days a week from 9am to 9pm. Restaurant Property secured the site for Roast and it is being designed by Cada, whose clients include Pret, Itsu and New York’s Dean and Deluca