CALLAN METHOD ORGANISATION LIMITED Company number 07247355 · Monitor this company Active Overview People 11 Financial Control Charges Documents Gazette Analysis Location Related Registered office AddressUnit 705 The Chandlery 50 Westminster Bridge Road, London, London, England, SE1 7QY PostcodeSE1 7QY Companies at this postcode 53 Average house price in SE1 7QY £793,000 (14 sales) Map