England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 10% of fixed outlets
Pitched, no insulation (assumed)
Room heaters, mains gas
Gas multipoint
mains gas (not community)
Room heaters, electric
Single glazed
not defined
No thermostatic control of room temperature
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Some double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs