England and Wales: 1983-1990
RHI application
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 26% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, wood logs
From main system
wood logs
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
TRVs and bypass
RHI application
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 270 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat