England and Wales: 1983-1990
RHI application
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing, unknown install date
TRVs and bypass
RHI application
Cavity wall, as built, insulated (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Time and temperature zone control