England and Wales: 1930-1949
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, no insulation (assumed)
Air source heat pump, radiators, electric
From main system, plus solar
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
marketed sale
Cavity wall, filled cavity
Solid, insulated
Low energy lighting in 60% of fixed outlets
Pitched, insulated at rafters
Air source heat pump, radiators, electric
From main system, plus solar
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat