OPEN WINDOW TECHNICAL LTD Company number 14293875 · Monitor this company Active Overview People 1 Financial Control Documents Analysis Location Related Registered office Address74 Sherman Gardens, Chadwell Heath, Romford, England, RM6 4AX PostcodeRM6 4AX Companies at this postcode 36 Average house price in RM6 4AX £395,000 (51 sales) Map