England and Wales: before 1900
none of the above
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 300 mm loft insulation
Boiler and radiators, electric
From main system
electricity (not community)
Room heaters, coal
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass
none of the above
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 300 mm loft insulation
Boiler and radiators, electric
From main system
electricity (not community)
Room heaters, coal
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass