PROTOSTAR GROUP LIMITED Company number 12704901 · Monitor this company Active Overview People 13 Financial Control Documents Analysis Location Related Registered office AddressSustainable Workspaces, County Hall, 5th Floor The Riverside Building, Belvedere Road, London, United Kingdom, SE1 7PB PostcodeSE1 7PB Companies at this postcode 171 Average house price in SE1 7PB £542,000 (3 sales) Map