England and Wales: 1950-1966
none of the above
Average thermal transmittance 2.00 W/m-¦K
Average thermal transmittance 1.20 W/m-¦K
Low energy lighting in 90% of fixed outlets
Average thermal transmittance 0.3 W/m-¦K
Boiler and radiators, mains gas
From main system
mains gas - this is for backwards compatibility only and should not be used
Fully double glazed
Programmer and room thermostat
ECO assessment
System built, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, 150 mm loft insulation
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