England and Wales: 1976-1982
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 150 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
Stock Condition Survey
Cavity wall, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 70% of fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, radiators, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat