marketed sale
Solid brick, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in 89% of fixed outlets
Pitched, insulated
Boiler and underfloor heating, oil
From main system
oil (not community)
Room heaters, LPG
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats
none of the above
Average thermal transmittance 0.32 W/m-¦K
Average thermal transmittance 0.23 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.19 W/m-¦K
Boiler and underfloor heating, oil
From main system
oil - this is for backwards compatibility only and should not be used
Fully double glazed
Time and temperature zone control