England and Wales: 1983-1990
marketed sale
Cavity wall, as built, insulated (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 94% of fixed outlets
Roof room(s), ceiling insulated
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass
rental
Cavity wall, as built, insulated (assumed)
To unheated space, insulated
Low energy lighting in all fixed outlets
Roof room(s), ceiling insulated
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs