England and Wales: 1900-1929
rental (private)
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
(another dwelling above)
No system present: electric heaters assumed
Electric instantaneous at point of use
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed during or after 2002
rental (private)
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Flat, no insulation (assumed)
Boiler and radiators, mains gas
Electric instantaneous at point of use
mains gas (not community)
Fully double glazed
double glazing installed before 2002
No time or thermostatic control of room temperature