England and Wales: 1950-1966
none of the above
Cavity wall, filled cavity
(other premises below)
Low energy lighting in 17% of fixed outlets
Pitched, no insulation
No system present: electric heaters assumed
Electric instantaneous at point of use
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
(other premises below)
Low energy lighting in 17% of fixed outlets
Pitched, 300+ mm loft insulation
Room heaters, electric
Gas multipoint
electricity (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed before 2002
Appliance thermostats