England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
To unheated space, insulated
Low energy lighting in 38% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
assessment for green deal
Solid brick, as built, no insulation (assumed)
To unheated space, insulated
Low energy lighting in 50% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Mostly double glazing
double glazing installed during or after 2002
Programmer, TRVs and bypass