rental (private)
Cavity wall, filled cavity
To unheated space, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, limited insulation (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
none of the above
Average thermal transmittance 0.70 W/m-¦K
Average thermal transmittance 1.20 W/m-¦K
Low energy lighting in 75% of fixed outlets
Average thermal transmittance 1.5 W/m-¦K
Community scheme
Electric immersion, standard tariff
Fully double glazed
Flat rate charging, no thermostatic control of room temperature