England and Wales: 1967-1975
marketed sale
System built, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Portable electric heaters assumed for most rooms
Electric immersion, standard tariff
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing, unknown install date
No thermostatic control of room temperature
rental
System built, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs