England and Wales: 1983-1990
rental
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
(another dwelling above)
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
rental
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
(another dwelling above)
Community scheme
Community scheme
mains gas (community)
Fully double glazed
double glazing installed during or after 2002
Flat rate charging, TRVs