CHALLENS DEVELOPMENTS LIMITED Company number 15309181 · Monitor this company Active Overview People 3 Financial Control Documents Analysis Location Related Registered office AddressUnit 15 Furmston Court, Letchworth Garden City, England, SG6 1UJ PostcodeSG6 1UJ Companies at this postcode 164 Average house price in SG6 1UJ £223,000 (5 sales) Map