England and Wales: 1900-1929
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, no insulation (assumed)
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed during or after 2002
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Mostly double glazing
double glazing installed during or after 2002
Programmer and appliance thermostats