AVANCE XXI LTD Company number 08019615 · Monitor this company Dissolved Overview Documents Analysis Location Related Registered office Address37 SALIX COURT, 37 SALIX COURT, UP HATHERLEY, CHELTENHAM, GLOUCESTERSHIRE, ENGLAND, GL51 3WH PostcodeGL51 3WH Companies at this postcode 2 Average house price in GL51 3WH £306,000 (26 sales) Map