England and Wales: 1900-1929
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
RHI application
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 93% of fixed outlets
Pitched, 300 mm loft insulation
Water source heat pump, warm air, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control