England and Wales: 1900-1929
marketed sale
Timber frame, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, LPG
From main system
bottled LPG
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
ECO assessment
Timber frame, with additional insulation
Suspended, insulated
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, LPG
From main system
bottled LPG
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs