England and Wales: 1930-1949
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 75 mm loft insulation
Room heaters, electric
Gas multipoint
electricity (not community)
Mostly double glazing
double glazing, unknown install date
Programmer and appliance thermostats
RHI application
Solid brick, as built, no insulation (assumed)
Suspended, insulated
No low energy lighting
Pitched, 200 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Time and temperature zone control