England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, no insulation
Room heaters, mains gas
Gas multipoint
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Appliance thermostats
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 88% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass