England and Wales: 1930-1949
rental
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 75 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 or data is from a community network
Fully double glazed
double glazing installed during or after 2002
rental
Cavity wall, as built, no insulation (assumed)
(other premises below)
Low energy lighting in all fixed outlets
(another dwelling above)
Room heaters, electric
Gas multipoint
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and appliance thermostats