England and Wales: 1967-1975
rental
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Pitched, 300 mm loft insulation
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
RHI application
Cavity wall, filled cavity
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 250 mm loft insulation
Ground 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