England and Wales: 1900-1929
not sale or rental
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 50 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, mains gas
Mostly double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
RHI application
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Air source heat pump, underfloor, electric
From main system, plus solar
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat