POTENTIAL DIFFERENCE (ELECTRICAL) LTD Company number 13963335 · Monitor this company Active Overview People 1 Financial Control Charges Documents Analysis Location Related Registered office AddressAvaland House, 110 London Road, Apsley, Hemel Hempstead, Hertfordshire, England, HP3 9SD PostcodeHP3 9SD Companies at this postcode 315 Average house price in HP3 9SD £486,000 (10 sales) Map