England and Wales: 1967-1975
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 19% of fixed outlets
Flat, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
Programmer, TRVs and bypass
not sale or rental
Average thermal transmittance 0.25 W/m-¦K
Average thermal transmittance 0.15 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.12 W/m-¦K
Boiler and radiators, mains gas
From main system
Gas: mains gas
High performance glazing
Time and temperature zone control