England and Wales: before 1900
RHI application
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 19% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, oil
From main system, no cylinder thermostat
oil (not community)
Room heaters, dual fuel (mineral and wood)
Some double glazing
double glazing, unknown install date
Programmer, TRVs and bypass
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 54% of fixed outlets
Pitched, no insulation (assumed)
Ground source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed during or after 2002
Programmer, TRVs and bypass