England and Wales: 1950-1966
ECO assessment
System built, with external insulation
Solid, no insulation (assumed)
No low energy lighting
Pitched, 200 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed before 2002
Manual charge control
ECO assessment
System built, with external insulation
Solid, no insulation (assumed)
No low energy lighting
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass