EFFICIENT WARM ENERGY LIMITED Company number 08351439 · Monitor this company Dissolved Overview People 7 Documents Analysis Location Related Registered office AddressGENTOO GROUP EMPEROR HOUSE, 2 EMPEROR WAY, DOXFORD INTERNATIONAL BUSINESS PARK, SUNDERLAND, SR3 3XR PostcodeSR3 3XR Companies at this postcode 24 Average house price in SR3 3XR £515,000 (1 sales) Map