England and Wales: 1967-1975
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 56% 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, unknown install date
Programmer, TRVs and bypass
Stock Condition Survey
Cavity wall, filled cavity
Solid, no insulation (assumed)
No low energy lighting
Pitched, 250 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