England and Wales: 1930-1949
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, coal
Solid fuel boiler/circulator, no cylinder thermostat
house coal (not community)
Room heaters, coal
Some double glazing
double glazing installed during or after 2002
No time or thermostatic control of room temperature
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Some double glazing
double glazing, unknown install date
Programmer, TRVs and bypass