England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 28% of fixed outlets
Flat, limited insulation (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, smokeless fuel
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, insulated
Boiler and radiators, oil
No system present: electric immersion assumed
oil (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
TRVs and bypass