KNOX CROPPER LLP Company number OC420583 · Monitor this company Active Overview People 8 Financial Control Documents Analysis Location Related Registered office Address153-155 London Road, Hemel Hempstead, Hertfordshire, United Kingdom, HP3 9SQ PostcodeHP3 9SQ Companies at this postcode 149 Average house price in HP3 9SQ £320,000 (17 sales) Map