England and Wales: 1930-1949
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, oil
From main system
oil (not community)
Room heaters, LPG
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
RHI application
Cavity wall, filled cavity
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, limited insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed before 2002
Time and temperature zone control