England and Wales: 1967-1975
none of the above
Cavity wall, as built, no insulation (assumed)
To unheated space,  no insulation (assumed)
No low energy lighting
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat