England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
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
Some double glazing
double glazing installed before 2002
rental
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Electric underfloor heating
Electric immersion, standard tariff
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control