England and Wales: 1983-1990
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs