England and Wales: 1900-1929
none of the above
Cavity wall, as built, no insulation (assumed)
(other premises below)
No low energy lighting
Pitched, 75 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
Programmer, no room thermostat
rental (private)
Cavity wall, filled cavity
(another dwelling below)
Low energy lighting in 75% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat