England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Suspended, 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)
Room heaters, electric
Single glazed
not defined
Programmer and appliance thermostats
rental
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 300 mm loft insulation
Electric storage heaters
Electric instantaneous at point of use
electricity (not community)
Room heaters, electric
Single glazed
not defined
Controls for high heat retention storage heaters