England and Wales: 1983-1990
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
Pitched, no insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
Room thermostat only
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 68% of fixed outlets
Pitched, 400 mm loft insulation
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control