England and Wales: 1983-1990
FiT application
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in 8% of fixed outlets
Roof room(s), insulated (assumed)
Air source heat pump, underfloor, electric
Electric heat pump for water heating only, plus solar
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
none of the above
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Air source heat pump, underfloor, electric
From main system, plus solar
electricity (not community)
Fully double glazed
double glazing, unknown install date
Time and temperature zone control