England and Wales: before 1900
none of the above
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 31% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Programmer, no room thermostat
RHI application
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 14% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, wood pellets
From main system
bulk wood pellets
Room heaters, coal
Partial double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs