England and Wales: 1950-1966
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat
rental
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, 100 mm loft insulation
Air source heat pump, radiators, electric
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and bypass