ON SPEC PROPERTY DEVELOPMENTS LIMITED Company number 04942241 · Monitor this company Dissolved Overview People 3 Financial Control Charges Documents Analysis Location Related Registered office Address43 Eastwood Lane South, Westcliff-On-Sea, Essex, England, SS0 9XH PostcodeSS0 9XH Companies at this postcode 7 Average house price in SS0 9XH £387,000 (29 sales) Map