England and Wales: before 1900
rental (private)
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
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
rental (private)
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 270 mm loft insulation
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
High performance glazing
double, known data
Programmer and appliance thermostats