England and Wales: before 1900
RHI application
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 57% of fixed outlets
Pitched, 100 mm loft insulation
Air source heat pump, radiators, electric
From main system, plus solar
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 77% of fixed outlets
Pitched, 150 mm loft insulation
Air source heat pump, radiators, 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