England and Wales: 1950-1966
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, 50 mm loft insulation
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed before 2002
none of the above
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 300 mm loft insulation
Room heaters, mains gas
No system present: electric immersion assumed
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
No thermostatic control of room temperature