England and Wales: before 1900
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 88% of fixed outlets
Pitched, no insulation (assumed)
Room heaters, coal
No system present: electric immersion assumed
house coal (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
No thermostatic control of room temperature
marketed sale
Solid brick, with internal insulation
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs