England and Wales: 1950-1966
marketed sale
Cavity wall, with internal insulation
Suspended, insulated
Low energy lighting in 75% of fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
TRVs and bypass
marketed sale
Cavity wall, with internal insulation
Suspended, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
No time or thermostatic control of room temperature