England and Wales: 1900-1929
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 200 mm loft insulation
Portable electric heaters assumed for most rooms
Electric immersion, standard tariff
mains gas (not community)
Room heaters, mains gas
Single glazed
not defined
No thermostatic control of room temperature
marketed sale
Sandstone or limestone, with internal insulation
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs