The 20,000-sq ft extension has attracted three new restaurant brands and is set around St Martin's Square and the iconic Selfridges building. Opening its UK flagship restaurant at Spiceal Street is Birmingham-based Handmade Burger Cowhich pioneers local fresh food and ingredients. Thai banquet-style ChaoBaby, and Browns Bar and Brasserie are both new to the city. As part of the development existing restaurants Nando's and Pizza Hut have extended their trading space by 54 and 20 per cent respectively.