England and Wales: 2012 onwards
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
No low energy lighting
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system
LPG (not community)
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, insulated (assumed)
No low energy lighting
Pitched, 250 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass