HYTEC COMMUNICATIONS LTD Company number 04481533 · Monitor this company Active Overview People 5 Financial Control Documents Analysis Location Related Registered office Address75 Carvers Croft, Woolmer Green, Knebworth, Hertfordshire, SG3 6LX PostcodeSG3 6LX Companies at this postcode 32 Average house price in SG3 6LX £424,000 (94 sales) Map