England and Wales: 1967-1975
none of the above
Cavity wall, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Flat, limited insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
ECO assessment
Cavity wall, filled cavity and internal insulation
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Flat, insulated
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs