England and Wales: 1967-1975
rental (private)
System built, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
(another dwelling above)
No system present: electric heaters assumed
Gas multipoint
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
marketed sale
System built, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat