England and Wales: before 1900
marketed sale
Timber frame, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Room heaters, mains gas
Electric immersion, off-peak
mains gas (not community)
Room heaters, electric
Partial double glazing
double glazing installed before 2002
No thermostatic control of room temperature
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 350 mm loft insulation
Room heaters, mains gas
Electric instantaneous at point of use
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature