England and Wales: before 1900
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 300+ mm loft insulation
Portable electric heaters assumed for most rooms
Gas multipoint
wood logs
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
No thermostatic control of room temperature
none of the above
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 300+ mm loft insulation
Portable electric heaters assumed for most rooms
Gas multipoint
wood logs
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
No thermostatic control of room temperature