England and Wales: before 1900
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Roof room(s), no insulation (assumed)
Boiler and radiators, coal
From main system, no cylinder thermostat
house coal (not community)
Room heaters, coal
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
ECO assessment
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 36% of fixed outlets
Pitched, no insulation
Boiler and radiators, coal
Electric immersion, off-peak
house coal (not community)
Room heaters, coal
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass