England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 92% of fixed outlets
Pitched, no insulation (assumed)
No system present: electric heaters assumed
Electric immersion, off-peak
To be used only when there is no heating/hot-water system or data is from a community network
Partial double glazing
double glazing, unknown install date
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 93% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Some double glazing
double glazing, unknown install date
Programmer, room thermostat and TRVs