England and Wales: before 1900
rental (private)
Solid brick, as built, no insulation (assumed)
(other premises below)
No low energy lighting
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
none of the above
Solid brick, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs