none of the above
Cavity wall, as built, insulated (assumed)
Solid, insulated
Low energy lighting in 96% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
none of the above
Average thermal transmittance 0.29 W/m-¦K
Average thermal transmittance 0.19 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.21 W/m-¦K
Boiler and radiators, oil
From main system
oil - this is for backwards compatibility only and should not be used
Room heaters, wood logs
High performance glazing
Time and temperature zone control