England and Wales: 1900-1929
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 200 mm loft insulation
No system present: electric heaters assumed
Gas multipoint
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
rental
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs