England and Wales: 1900-1929
rental
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 20% of 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
Fully double glazed
double glazing, unknown install date
rental
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 300 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
Fully double glazed
double glazing, unknown install date