England and Wales: before 1900
none of the above
Granite or whinstone, with internal insulation
Suspended, no insulation (assumed)
Low energy lighting in 13% of fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, B30K
From main system
B30K (not community)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
FiT application
Sandstone, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass