England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, no insulation
Portable electric heaters assumed for most rooms
Electric instantaneous at point of use
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Single glazed
not defined
No thermostatic control of room temperature
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Electric storage heaters
Electric instantaneous at point of use
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Full secondary glazing
secondary glazing
Controls for high heat retention storage heaters