HomePlaces Open with Maps Related Articles Open House London: A Brief Glimpse Behind the City’s Locked Doors Address 60 Great Queen St, Holborn, London WC2B 5AZ, UK Map Hours Mon–Sat 10 am–5 pm Access 295 m from Holborn Piccadilly LineCentral Line 307 m from Covent Garden Piccadilly Line 0.7 km from Leicester Square Piccadilly LineNorthern Line