G.C.H. TEST & COMPUTER SERVICES LIMITED Company number 02810696 · Monitor this company Active Overview People 8 Financial Control Charges Documents Analysis Location Related Registered office AddressGch House, Progress Business Centre,, 5 Whittle Parkway, Slough, SL1 6DQ PostcodeSL1 6DQ Companies at this postcode 239 Average house price in SL1 6DQ £545,000 (6 sales) Map