England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation
Room heaters, electric
Electric immersion, off-peak
electricity (not community)
Room heaters, electric
Partial double glazing
double glazing installed during or after 2002
Appliance thermostats
rental
Solid brick, with internal insulation
To unheated space, limited insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 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