England and Wales: 1900-1929
rental (private)
Sandstone or limestone, as built, no insulation (assumed)
To unheated space, limited insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, no room thermostat
rental (private)
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
(another dwelling above)
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing, unknown install date