England and Wales: 1950-1966
ECO assessment
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Roof room(s), no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
marketed sale
Average thermal transmittance 0.72 W/m-¦K
Average thermal transmittance 0.83 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.16 W/m-¦K
Boiler and underfloor heating, mains gas
From main system
mains gas - this is for backwards compatibility only and should not be used
High performance glazing
Time and temperature zone control