ADD+LIGHT LIMITED Company number 09136826 · Monitor this company Active Overview People 2 Financial Control Documents Analysis Location Related Registered office AddressO'CONNELL & CO, The Barn, 12a High Street, Wheathampstead, Herts, AL4 8AA PostcodeAL4 8AA Companies at this postcode 199 Average house price in AL4 8AA £676,000 (4 sales) Map