England and Wales: before 1900
RHI application
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, 270 mm loft insulation
Air source heat pump, underfloor, electric
Electric heat pump for water heating only
electricity (not community)
Room heaters, wood logs
Partial double glazing
double glazing installed during or after 2002
Time and temperature zone control
RHI application
Granite or whinstone, as built, no insulation (assumed)
Solid, insulated
Low energy lighting in 80% of fixed outlets
Pitched, insulated (assumed)
Air source heat pump, underfloor, electric
Electric heat pump for water heating only
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing, unknown install date
Time and temperature zone control