England and Wales: 1950-1966
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Pitched, 50 mm loft insulation
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Partial double glazing
double glazing installed before 2002
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 44% of fixed outlets
Pitched, 50 mm loft insulation
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Room heaters, coal
Partial double glazing
not defined
Programmer and appliance thermostats