England and Wales: before 1900
none of the above
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, no insulation (assumed)
Portable electric heaters assumed for most rooms
Gas multipoint
mains gas (not community)
Room heaters, mains gas
Partial double glazing
double glazing, unknown install date
No thermostatic control of room temperature
none of the above
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Partial double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs