England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, no insulation
Room heaters, mains gas
Gas multipoint
mains gas (not community)
Portable electric heaters (assumed)
Some secondary glazing
secondary glazing
Appliance thermostats
rental
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, 100 mm loft insulation
Electric storage heaters
Gas instantaneous at point of use
electricity (not community)
Portable electric heaters (assumed)
Partial double glazing
double glazing installed during or after 2002
Manual charge control