England and Wales: before 1900
none of the above
Solid brick, as built, no insulation (assumed)
To unheated space,  no insulation (assumed)
No low energy lighting
Pitched, no insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Some double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 10% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Some secondary glazing
secondary glazing
Programmer and at least two room thermostats