England and Wales: 1967-1975
marketed sale
Timber frame, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 8% of fixed outlets
Pitched, 50 mm loft insulation
Portable electric heaters assumed for most rooms
No system present: electric immersion assumed
mains gas (not community)
Room heaters, mains gas
Single glazed
not defined
No thermostatic control of room temperature
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 93% of fixed outlets
Pitched, limited insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass