England and Wales: before 1900
non marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 12 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Portable electric heaters (assumed)
Single glazed
not defined
No time or thermostatic control of room temperature
non marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
No low energy lighting
Pitched, 12 mm loft insulation
No system present: electric heaters assumed
No system present: electric immersion assumed
To be used only when there is no heating/hot-water system
Single glazed
not defined