England and Wales: 1967-1975
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no 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 during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 270 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Fully triple glazed
triple glazing
Programmer and at least two room thermostats