England and Wales: 1967-1975
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
No low energy lighting
Pitched, limited insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Mostly double glazing
double glazing, unknown install date
Programmer and room thermostat
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, limited insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs