England and Wales: 1967-1975
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
No low energy lighting
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
ECO assessment
Cavity wall, filled cavity
Solid, no insulation (assumed)
No low energy lighting
Pitched, 25 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Room thermostat only