SURFACE ENHANCEMENT TECHNOLOGIES LTD. Company number 04202396 · Monitor this company Active Overview People 3 Financial Control Charges Documents Analysis Location Related Registered office Address1 Brook Farm Cottage, The Cleave, Harwell Village, Oxfordshire, OX11 0EN PostcodeOX11 0EN Companies at this postcode 3 Average house price in OX11 0EN £679,000 (5 sales) Map