marketed sale
Sandstone or limestone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 53% of fixed outlets
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Mostly double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
rental (private)
Average thermal transmittance 0.39 W/m-¦K
Average thermal transmittance 0.53 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.17 W/m-¦K
Boiler and radiators, mains gas
From main system
mains gas - this is for backwards compatibility only and should not be used
Mostly double glazing
Programmer, room thermostat and TRVs