England and Wales: before 1900
marketed sale
Solid brick, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, 200 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
Fully double glazed
double glazing installed during or after 2002
marketed sale
Solid brick, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 38% of fixed outlets
Pitched, 200 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
Fully double glazed
double glazing installed during or after 2002