England and Wales: before 1900
rental
Solid brick, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 56% of fixed outlets
Flat, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Mostly double glazing
double glazing, unknown install date
Programmer, TRVs and bypass