England and Wales: before 1900
rental (private)
Timber frame, as built, partial insulation (assumed)
(another dwelling below)
Low energy lighting in 33% of fixed outlets
Pitched, limited insulation (assumed)
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Fully double glazed
double glazing installed before 2002
Appliance thermostats
rental
Timber frame, with additional insulation
(another dwelling below)
Low energy lighting in all fixed outlets
Flat, insulated
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs