England and Wales: 1930-1949
marketed sale
Cavity wall, as built, partial insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 95% of fixed outlets
Pitched, 150 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, electric
Fully double glazed
double glazing, unknown install date
Time and temperature zone control
RHI application
Cavity wall, filled cavity and external insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, TRVs and bypass