England and Wales: 1950-1966
none of the above
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
RHI application
System built, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 250 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat