England and Wales: 1967-1975
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, limited insulation (assumed)
Electric storage heaters
From secondary system, no cylinder thermostat
electricity (not community)
Room heaters, anthracite
Fully double glazed
double glazing installed during or after 2002
Manual charge control
Stock Condition Survey
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 100 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass