England and Wales: before 1900
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 31% of fixed outlets
Pitched, no insulation (assumed)
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control
RHI application
Sandstone or limestone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, insulated
Air source heat pump, underfloor, electric
From main system, plus solar
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control