England and Wales: before 1900
RHI application
Solid brick, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 79% of fixed outlets
Pitched, no insulation (assumed)
Boiler and underfloor heating, oil
From main system
oil (not community)
Room heaters, wood logs
Mostly double glazing
double glazing, unknown install date
Time and temperature zone control
RHI application
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, no insulation (assumed)
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control