England and Wales: 1983-1990
non marketed sale
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 250 mm loft insulation
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Mostly double glazing
double glazing installed before 2002
Programmer and appliance thermostats
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, 270 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