England and Wales: 1930-1949
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, no insulation (assumed)
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Single glazed
not defined
Appliance thermostats
marketed sale
Cavity wall, with internal insulation
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated (assumed)
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control