England and Wales: 1983-1990
none of the above
Cavity wall, as built, partial insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 50 mm loft insulation
Boiler and radiators, coal
From main system, no cylinder thermostat
house coal (not community)
Room heaters, coal
Fully double glazed
double glazing installed before 2002
Room thermostat only
non marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 200 mm loft insulation
Air source heat pump, radiators, electric
From main system, no cylinder thermostat
electricity (not community)
Room heaters, coal
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass