England and Wales: 1900-1929
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
No low energy lighting
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, mains gas
Some double glazing
double glazing, unknown install date
Programmer, TRVs and bypass
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Room heaters, mains gas
Some double glazing
double glazing, unknown install date
Programmer, TRVs and bypass