GREENHILL DEVELOPMENTS LTD Company number 10718015 · Monitor this company Active Overview People 1 Financial Control Documents Analysis Location Related Registered office AddressPalmers Barn Station Road, Long Marston, Tring, Hertfordshire, England, HP23 4QS PostcodeHP23 4QS Companies at this postcode 54 Average house price in HP23 4QS £635,000 (41 sales) Map