England and Wales: 1967-1975
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, B30K
From main system
B30K (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
FiT application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 86% of fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, coal
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs