England and Wales: 1983-1990
non marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, insulated (assumed)
Electric storage heaters
Electric immersion, off-peak
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed before 2002
Manual charge control
RHI application
Cavity wall, as built, insulated (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass