England and Wales: 1900-1929
rental (private)
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 87% of fixed outlets
(another dwelling above)
Room heaters, electric
Gas multipoint
electricity (not community)
Room heaters, mains gas
Partial secondary glazing
secondary glazing
Programmer and appliance thermostats
rental (private)
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
(another dwelling above)
Electric storage heaters
Gas multipoint
electricity (not community)
Room heaters, mains gas
Partial secondary glazing
secondary glazing
Controls for high heat retention storage heaters