marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 20% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Some double glazing
double glazing, unknown install date
Programmer and room thermostat
marketed sale
Average thermal transmittance 0.36 W/m-¦K
Average thermal transmittance 0.18 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.19 W/m-¦K
Boiler & underfloor, mains gas
Gas boiler/circulator
mains gas - this is for backwards compatibility only and should not be used
High performance glazing
Time and temperature zone control