566 Chiswick High Road
W4 5YA (opposite Gunnersbury Station)
Open: London Open House Weekend, 20/21 September (check website www.openhouse.org.uk/London)
History: Work began in 2000 on this large business complex, set in 34 acres of landscaped grounds. It was designed by the Richard Rogers Partnership and developed by Stanhope plc. It won a Civic Trust Award in 2002. It was built on the site of the London General Omnibus Companyâ€™s large overhaul works. This opened in 1921 and employed 3,500 people. It closed in 1928.