THE TECHIE WHISPERER LIMITED Company number 09125071 · Monitor this company Active Overview People 2 Financial Control Documents Analysis Location Related Registered office Address1 The Birches, Letchworth Garden City, Hertfordshire, England, SG6 4JH PostcodeSG6 4JH Companies at this postcode 5 Average house price in SG6 4JH £593,000 (8 sales) Map