England and Wales: 1976-1982
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
No low energy lighting
Pitched, limited insulation
Boiler and radiators, mains gas
No system present: electric immersion assumed
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs