England and Wales: before 1900
FiT application
Granite or whinstone, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Boiler and underfloor heating, mains gas
From secondary system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
marketed sale
Sandstone or limestone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 58% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats