England and Wales: 1967-1975
none of the above
Cavity wall, filled cavity and external insulation
Solid, no insulation (assumed)
Low energy lighting in 55% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, anthracite
From main system, no cylinder thermostat
anthracite
Fully double glazed
double glazing installed before 2002
No time or thermostatic control of room temperature
RHI application
Cavity wall, filled cavity and external insulation
Solid, no insulation (assumed)
Low energy lighting in 55% of fixed outlets
Pitched, 250 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass