England and Wales: before 1900
RHI application
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 17% of fixed outlets
Roof room(s), thatched
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Mostly double glazing
double glazing, unknown install date
TRVs and bypass
RHI application
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 35% of fixed outlets
Roof room(s), thatched
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Portable electric heaters (assumed)
Mostly double glazing
double glazing installed before 2002
Programmer, no room thermostat