England and Wales: 1900-1929
RHI application
Granite or whinstone, with internal insulation
Suspended, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Roof room(s), insulated
Air source heat pump, radiators, electric
From main system, plus solar
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
ECO assessment
Granite or whinstone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 63% of fixed outlets
Roof room(s), insulated
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Room heaters, anthracite
Fully double glazed
double glazing, unknown install date
Appliance thermostats