England and Wales: 1900-1929
marketed sale
Cavity wall, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Portable electric heaters (assumed)
Some double glazing
double glazing, unknown install date
Programmer and room thermostat
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 73% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control