England and Wales: 1900-1929
non marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 55% of fixed outlets
Pitched, no insulation (assumed)
Portable electric heaters assumed for most rooms
No system present: electric immersion assumed
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Mostly double glazing
double glazing installed during or after 2002
No thermostatic control of room temperature
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, electric
Electric immersion, off-peak
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs