England and Wales: 1900-1929
rental (private)
Cavity wall, as built, no insulation (assumed)
(other premises below)
Low energy lighting in all fixed outlets
Flat, 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 before 2002
rental (private)
Cavity wall, as built, no insulation (assumed)
(other premises below)
Low energy lighting in all fixed outlets
Flat, no insulation (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Controls for high heat retention storage heaters