England and Wales: 1900-1929
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated (assumed)
Room heaters, electric
Oil range cooker
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Appliance thermostats
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