England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, 150 mm loft insulation
Room heaters, mains gas
Gas instantaneous at point of use
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing, unknown install date
Appliance thermostats
rental
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, insulated
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Controls for high heat retention storage heaters