marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 9% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
Gas boiler/circulator
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
non marketed sale
Average thermal transmittance 0.17 W/m-¦K
Average thermal transmittance 0.14 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.13 W/m-¦K
Boiler & underfloor, 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