England and Wales: 1967-1975
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Partial double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
FiT application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 48% of fixed outlets
Pitched, 100 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Mostly double glazing
double glazing installed during or after 2002
Programmer and room thermostat