England and Wales: 1900-1929
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
(another dwelling above)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Single glazed
not defined
Programmer, room thermostat and TRVs
none of the above
Average thermal transmittance 0.29 W/m-¦K
Average thermal transmittance 0.24 W/m-¦K
Low energy lighting in all fixed outlets
(other premises above)
Boiler and radiators, mains gas
From main system
mains gas - this is for backwards compatibility only and should not be used
High performance glazing
Programmer, room thermostat and TRVs