England and Wales: before 1900
none of the above
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 43% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Room thermostat only
none of the above
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs