England and Wales: before 1900
non marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Roof room(s), insulated (assumed)
Room heaters, electric
Gas multipoint
electricity (not community)
Fully double glazed
double glazing installed before 2002
Appliance thermostats
marketed sale
Sandstone or limestone, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing, unknown install date
Programmer and appliance thermostats