England and Wales: 1900-1929
non marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 60% of fixed outlets
Roof room(s), no insulation (assumed)
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Fully double glazed
double glazing installed before 2002
No thermostatic control of room temperature
marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in all fixed outlets
Roof room(s), insulated
Room heaters, electric
Community scheme
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and appliance thermostats