England and Wales: 1976-1982
RHI application
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Ground 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
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 150 mm loft insulation
Ground 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