England and Wales: 1950-1966
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Flat, insulated
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully triple glazed
triple glazing
Programmer, room thermostat and TRVs
RHI application
Cavity wall, filled cavity and external insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Flat, insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs