England and Wales: 1983-1990
rental (social)
Cavity wall, as built, partial insulation (assumed)
(another dwelling below)
Low energy lighting in 40% of fixed outlets
Pitched, limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
TRVs and bypass
rental
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 25% of fixed outlets
Pitched, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs