England and Wales: before 1900
none of the above
Sandstone or limestone, as built, no insulation (assumed)
(other premises below)
No low energy lighting
Pitched, 100 mm loft insulation
No system present: electric heaters assumed
No system present: electric immersion assumed
To be used only when there is no heating/hot-water system
Single glazed
not defined
none of the above
Sandstone or limestone, as built, no insulation (assumed)
(other premises below)
Low energy lighting in all fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Single glazed
not defined
Programmer, room thermostat and TRVs