England and Wales: 1900-1929
marketed sale
Sandstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 43% of fixed outlets
Pitched, 50 mm loft insulation
Room heaters, mains gas
Gas multipoint
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Appliance thermostats
none of the above
Sandstone or limestone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs