England and Wales: before 1900
none of the above
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 12% of fixed outlets
Pitched, no insulation
Boiler and radiators, oil
Solid fuel range cooker
oil (not community)
Room heaters, coal
Partial double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs
none of the above
Sandstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 12% of fixed outlets
Pitched, no insulation
Boiler and radiators, oil
From main system
oil (not community)
Partial double glazing
double glazing, unknown install date
Room thermostat only