England and Wales: 1996-2002
marketed sale
Solid brick, with internal insulation
Solid, limited insulation (assumed)
No low energy lighting
Pitched, 300 mm loft insulation
No system present: electric heaters assumed
Electric instantaneous at point of use
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 internal insulation
Solid, limited insulation (assumed)
No low energy lighting
Roof room(s), insulated
No system present: electric heaters assumed
Electric instantaneous at point of use
To be used only when there is no heating/hot-water system
Fully double glazed
double glazing installed during or after 2002