England and Wales: before 1900
none of the above
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
High performance glazing
double, known data
Programmer, room thermostat and TRVs
not sale or rental
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 94% of fixed outlets
Roof room(s), insulated
Boiler and radiators, oil, Boiler and radiators, oil
From main system, plus solar
oil (not community)
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass