England and Wales: 1950-1966
RHI application
Cavity wall, filled cavity and external insulation
Solid, no insulation (assumed)
Low energy lighting in 90% 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, TRVs and bypass
Stock Condition Survey
Cavity wall, filled cavity and external insulation
Solid, no insulation (assumed)
Low energy lighting in 22% of fixed outlets
Pitched, 270 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass