England and Wales: before 1900
marketed sale
Granite or whinstone, with internal insulation
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Roof room(s), insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Granite or whinstone, with internal insulation
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Roof room(s), insulated (assumed)
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs