England and Wales: 1967-1975
rental (social)
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, dual fuel (mineral and wood)
From main system
dual fuel - mineral + wood
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 67% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, coal
From main system
house coal (not community)
Room heaters, electric
Fully double glazed
double glazing installed before 2002
TRVs and bypass