England and Wales: before 1900
marketed sale
Solid brick, as built, insulated (assumed)
Solid, limited insulation (assumed)
Low energy lighting in 22% of fixed outlets
Pitched, insulated (assumed)
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Fully double glazed
double glazing installed before 2002
Programmer and appliance thermostats
rental
Solid brick, with internal insulation
To unheated space, no insulation (assumed)
Low energy lighting in 13% of fixed outlets
Pitched, limited insulation
Electric storage heaters
Electric instantaneous at point of use
electricity (not community)
Room heaters, electric
Mostly double glazing
double glazing installed before 2002
Controls for high heat retention storage heaters