England and Wales: before 1900
marketed sale
Solid brick, with external insulation
Suspended, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Portable electric heaters (assumed)
Some double glazing
double glazing, unknown install date
Programmer, TRVs and bypass
marketed sale
Solid brick, with external insulation
Suspended, no insulation (assumed)
No low energy lighting
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass