England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 43% of fixed outlets
Pitched, no insulation (assumed)
Portable electric heaters assumed for most rooms
Electric immersion, standard tariff
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Single glazed
not defined
No thermostatic control of room temperature
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 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
Single glazed
not defined