England and Wales: 1983-1990
none of the above
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 79% of fixed outlets
Pitched, 300+ mm loft insulation
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 before 2002
Programmer, room thermostat and TRVs
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 79% of fixed outlets
Pitched, 300 mm loft insulation
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 before 2002
Programmer, room thermostat and TRVs