England and Wales: before 1900
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, insulated at rafters
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Partial double glazing
double glazing installed during or after 2002
Programmer and appliance thermostats
rental (private)
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Full secondary glazing
secondary glazing
Programmer and appliance thermostats