England and Wales: before 1900
ECO assessment
Granite or whinstone, with internal insulation
Solid, no insulation (assumed)
No low energy lighting
Roof room(s), insulated
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Single glazed
not defined
Appliance thermostats
ECO assessment
Granite or whinstone, with internal insulation
Solid, no insulation (assumed)
No low energy lighting
Roof room(s), insulated
Air source heat pump, radiators, electric
From main system
electricity (not community)
Single glazed
not defined
Time and temperature zone control