BBS are the UK's leading provider of Green Roofing services with more than 25 years experience we provide the best Green Roofs, Sedum Roofs and Brown Roofs.green roofing, green roofs, sedum roofing, sedum roofs, brown roofs. B B S Green Roofing is located in the London area of Greater London. There are at least 2 other listings in the SW8 postcode area. Roofing Contractors in Greater London SW8