ALCON ELECTRICAL INSTALLATIONS LLP Company number OC460079 · Monitor this company Active Overview People 2 Control Documents Analysis Location Related Registered office AddressUnit 3 Blays House, Churchfield Road, Chalfont St Peter, Buckinghamshire, England, SL9 9EW PostcodeSL9 9EW Companies at this postcode 86 Average house price in SL9 9EW £552,000 (7 sales) Map