England and Wales: 1991-1995
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 32% of fixed outlets
Pitched, insulated at rafters
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
RHI application
Sandstone or limestone, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 27% of fixed outlets
Pitched, insulated (assumed)
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