England and Wales: 1967-1975
FiT application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 43% of fixed outlets
Pitched, 25 mm loft insulation
No system present: electric heaters assumed
Gas multipoint
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
FiT application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 100 mm loft insulation
Room heaters, mains gas
Gas multipoint
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing, unknown install date
Appliance thermostats