England and Wales: 1900-1929
assessment for green deal
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated at rafters
Boiler and radiators, mains gas
Electric immersion, standard tariff, plus solar
mains gas (not community)
Room heaters, mains gas
Mostly double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs
FiT application
Cavity wall, filled cavity
To unheated space,  no insulation (assumed)
Low energy lighting in 39% of fixed outlets
Pitched, insulated at rafters
Boiler and radiators, mains gas
From main system, plus solar
mains gas (not community)
Room heaters, mains gas
Mostly double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs