England and Wales: before 1900
marketed sale
Timber frame, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, 25 mm loft insulation
Room heaters, wood logs
Electric immersion, standard tariff
wood logs
Room heaters, electric
Fully double glazed
double glazing installed before 2002
No thermostatic control of room temperature
rental (private)
Timber frame, with additional insulation
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
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