retro fit of heating and insulation and insulation

Tender description

Replace all radiators to more efficient ones. (18 dbls x 6ft, 6 singles by 4ft, 6 singles x 2ft) Replace existing boiler with a more efficient one (2 boilers) Demolish existing oil tank shed and move tanks to new location. Supply and fit new dbl glazed pvc windows to replace the existing single glazed wooden windows. Supply and fit new pvc door and porch to replace the existing wooden door. Supply and fit new pvc door at the rear to replace the existing wooden door. Supply and fit new pvc door and 450mm x 500mm window in the boiler house to replace the existing wooden door and window. Dryline walls in oratory (approx 12mtrs x 8 mtrs x 5 mtrs)