England and Wales: 1900-1929
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 62% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing, unknown install date
Programmer, TRVs and bypass
none of the above
Average thermal transmittance 1.74 W/m-¦K
Average thermal transmittance 0.53 W/m-¦K
Low energy lighting in 59% of fixed outlets
Average thermal transmittance 0.14 W/m-¦K
Boiler and radiators, mains gas
From main system
mains gas - this is for backwards compatibility only and should not be used
Partial double glazing
Time and temperature zone control