England and Wales: 1950-1966
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 87% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, dual fuel (mineral and wood)
From main system
dual fuel - mineral + wood
Room heaters, electric
Mostly double glazing
not defined
TRVs and bypass
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat