England and Wales: 1930-1949
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
No low energy lighting
Pitched, no insulation (assumed)
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
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs