England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 17% of fixed outlets
(another dwelling above)
No system present: electric heaters assumed
No system present: electric immersion assumed
To be used only when there is no heating/hot-water system
Some double glazing
double glazing, unknown install date
rental (private)
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs