marketed sale
Cavity wall, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 57% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat
non marketed sale
Average thermal transmittance 0.18 W/m-¦K
Average thermal transmittance 0.25 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.1 W/m-¦K
Boiler and radiators, mains gas
From main system
Gas: mains gas
High performance glazing
Programmer, room thermostat and TRVs