England and Wales: 1900-1929
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
No low energy lighting
Pitched, no insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Mostly double glazing
double glazing, unknown install date
Programmer, TRVs and bypass
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 300+ mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Mostly double glazing
double glazing, unknown install date
Programmer, TRVs and bypass