England and Wales: 1900-1929
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Partial double glazing
double glazing, unknown install date
Programmer and room thermostat
non marketed sale
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and underfloor heating, mains gas, Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly double glazing
double, known data
Time and temperature zone control