England and Wales: 1967-1975
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Single glazed
not defined
Programmer, room thermostat and TRVs
none of the above
Average thermal transmittance 0.33 W/m-¦K
Average thermal transmittance 0.73 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.13 W/m-¦K
Boiler and radiators, mains gas
From main system
mains gas - this is for backwards compatibility only and should not be used
Room heaters, wood logs
Mostly double glazing
Programmer, room thermostat and TRVs