COMMUNICATION NETWORKING SYSTEMS LIMITED Company number 03083739 · Monitor this company Active Overview People 5 Financial Control Charges Documents Analysis Location Related Registered office AddressUnit 2 Highfield Business Park, Tewkesbury Road, Cheltenham, GL19 4BP PostcodeGL19 4BP Companies at this postcode 46 Average house price in GL19 4BP £284,000 (17 sales) Map