England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 53% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Room heaters, electric
Partial double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
rental
Solid brick, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 400 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control