Search results

No, those figures are uninsulated percentages. So a sheet of plasterboard and a roof tile which will likely have less thermal performance than a polycarbonate conservatory roof.

Thermal heat loss in a domestic building is thought to break down something like 40% windows, doors and floor, 35% through walls, 25% through the roof. For a conservatory, the floor is unlikely to have been insulated, neither have the walls (if there are any). If you're putting an investment...