England and Wales: 1930-1949
non marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 270 mm loft insulation
No system present: electric heaters assumed
Electric immersion, standard tariff
To be used only when there is no heating/hot-water system
Partial double glazing
double glazing installed before 2002
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in 55% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, anthracite
From main system, no cylinder thermostat
anthracite
Fully double glazed
double glazing, unknown install date
TRVs and bypass