England and Wales: 1983-1990
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 12% of fixed outlets
Pitched, no insulation
Boiler and radiators, LPG
From main system, no cylinder thermostat
bottled LPG
Room heaters, dual fuel (mineral and wood)
Mostly double glazing
double glazing installed before 2002
Room thermostat only
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs