England and Wales: 1930-1949
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 86% of fixed outlets
Pitched, 100 mm loft insulation
Portable electric heaters assumed for most rooms
Electric immersion, standard tariff
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed before 2002
No thermostatic control of room temperature
marketed sale
Timber frame, with additional insulation
Suspended, insulated
Low energy lighting in 88% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs