England and Wales: 1950-1966
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 27% of fixed outlets
Pitched, 25 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 42% of fixed outlets
Pitched, 250 mm loft insulation
Air source heat pump, warm air, electric
No system present: electric immersion assumed
electricity (not community)
Mostly double glazing
double glazing installed before 2002
Programmer and at least two room thermostats