England and Wales: 1900-1929
none of the above
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, no insulation
Room heaters, dual fuel (mineral and wood)
No system present: electric immersion assumed
dual fuel - mineral + wood
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
No thermostatic control of room temperature
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
To unheated space, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass