England and Wales: 1900-1929
rental (private)
Solid brick, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 60% of fixed outlets
Pitched, no insulation (assumed)
Room heaters, electric
Electric immersion, standard tariff
electricity (not community)
Portable electric heaters (assumed)
Partial double glazing
double glazing, unknown install date
Appliance thermostats
rental (private)
Solid brick, with internal insulation
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass