England and Wales: 1967-1975
marketed sale
Solid brick, with internal insulation
Solid, no insulation (assumed)
No low energy lighting
Pitched, 300 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Manual charge control
marketed sale
Solid brick, with internal 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)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat