England and Wales: 1900-1929
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 75 mm loft insulation
No system present: electric heaters assumed
No system present: electric immersion assumed
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing, unknown install date
not sale or rental
Average thermal transmittance 1.16 W/m-¦K
Average thermal transmittance 0.62 W/m-¦K
Low energy lighting in all fixed outlets
Average thermal transmittance 0.13 W/m-¦K
Boiler and radiators, mains gas
From main system
Gas: mains gas
High performance glazing
Time and temperature zone control