England and Wales: 1976-1982
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 6% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, wood logs
Mostly double glazing
double glazing installed during or after 2002
Programmer and at least two room thermostats
RHI application
Cavity wall, as built, partial insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 350 mm loft insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, LPG
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats