England and Wales: before 1900
RHI application
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 56% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Some double glazing
double glazing, unknown install date
Programmer, TRVs and bypass
RHI application
Cavity wall, as built, no insulation (assumed)
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)
Room heaters, dual fuel (mineral and wood)
Some double glazing
double glazing, unknown install date
Programmer, TRVs and bypass