England and Wales: before 1900
rental
Timber frame, as built, no insulation (assumed)
(other premises below)
Low energy lighting in 80% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Partial secondary glazing
secondary glazing
Programmer, room thermostat and TRVs
marketed sale
Timber frame, with additional insulation
Solid, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
(another dwelling above)
Electric storage heaters
Electric instantaneous at point of use
electricity (not community)
Room heaters, electric
Full secondary glazing
secondary glazing
Manual charge control