England and Wales: 1950-1966
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Roof room(s), no insulation (assumed)
Boiler and radiators, oil
From main system
oil (not community)
Full secondary glazing
secondary glazing
Programmer and room thermostat
RHI application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, electric
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control