England and Wales: before 1900
non marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
No system present: electric heaters assumed
Gas multipoint
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
none of the above
Sandstone or limestone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, limited insulation
Room heaters, mains gas
Gas multipoint
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
No thermostatic control of room temperature