MARK ONE AUDIO VISUAL LIMITED Company number 06517052 · Monitor this company Dissolved Overview People 4 Documents Analysis Location Related Registered office Address1 BITTERN CLOSE, NASH MILLS, HEMEL HEMPSTEAD, HERTFORDSHIRE, UNITED KINGDOM, HP3 9FQ PostcodeHP3 9FQ Companies at this postcode 6 Average house price in HP3 9FQ £528,000 (9 sales) Map