England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 17% of fixed outlets
Pitched, 350 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, insulated at rafters
No system present: electric heaters assumed
Electric instantaneous at point of use
To be used only when there is no heating/hot-water system or data is from a community network
Single glazed
not defined