England and Wales: 1930-1949
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 42% of fixed outlets
Pitched, 100 mm loft insulation
Room heaters, mains gas
Electric immersion, off-peak
mains gas (not community)
Room heaters, smokeless fuel
Some double glazing
double glazing installed during or after 2002
Appliance thermostats
not sale or rental
Solid brick, as built, no insulation (assumed)
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Air source heat pump, underfloor, electric
From main system, no cylinder thermostat
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats