England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 82% of fixed outlets
Roof room(s), limited insulation (assumed)
Boiler and radiators, coal
From main system, no cylinder thermostat
house coal (not community)
Room heaters, coal
Fully double glazed
double glazing, unknown install date
No time or thermostatic control of room temperature
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 85% of fixed outlets
Roof room(s), ceiling insulated
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, TRVs and bypass