England and Wales: before 1900
ECO assessment
Granite or whinstone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation (assumed)
Air source heat pump, radiators, electric
From main system, no cylinder thermostat
electricity (not community)
Room heaters, coal
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
ECO assessment
Granite or whinstone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Manual charge control