England and Wales: 1983-1990
rental
Granite or whinstone, as built, insulated (assumed)
Suspended, insulated
Low energy lighting in 67% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
rental
Granite or whinstone, as built, insulated (assumed)
Suspended, insulated
Low energy lighting in 67% of fixed outlets
Pitched, insulated (assumed)
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass