SIA & SONS LTD Company number 15859172 · Monitor this company Active - Proposal to Strike off Overview People 2 Financial Control Documents Analysis Location Related Registered office Address160 Russells Ride, Cheshunt, Waltham Cross, England, EN8 8UP PostcodeEN8 8UP Companies at this postcode 5 Average house price in EN8 8UP £460,000 (13 sales) Map