England and Wales: 1976-1982
none of the above
Timber frame, as built, insulated (assumed)
(another dwelling below)
No low energy lighting
Pitched, 75 mm loft insulation
No system present: electric heaters assumed
Electric immersion, off-peak
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
none of the above
Timber frame, as built, insulated (assumed)
(another dwelling below)
No low energy lighting
Pitched, 75 mm loft insulation
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed before 2002
Appliance thermostats