ONE ALPHA CONSULTANTS INQUIRIES LTD Company number 07769279 · Monitor this company Dissolved Overview People 4 Financial Documents Analysis Location Related Registered office Address387 KNIGHTSFIELD, WELWYN GARDEN CITY, HERTFORDSHIRE, AL8 7NB PostcodeAL8 7NB Companies at this postcode 7 Average house price in AL8 7NB £595,000 (22 sales) Map