ROBERT RIORDAN ASSOCIATES LTD Company number 09116297 · Monitor this company Active Overview People 3 Financial Control Documents Analysis Location Related Registered office AddressImperial House, 1a Standen Avenue, Hornchurch, Essex, England, RM12 6AA PostcodeRM12 6AA Companies at this postcode 52 Average house price in RM12 6AA £504,000 (20 sales) Map