England and Wales: 1950-1966
none of the above
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 83% of fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass
RHI application
Cavity wall, filled cavity
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Air source heat pump, underfloor, electric, Air source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control