England and Wales: 1991-1995
marketed sale
Cavity wall, filled cavity and internal insulation
Suspended, no insulation (assumed)
Low energy lighting in 7% of fixed outlets
Roof room(s), insulated (assumed)
Boiler and radiators, LPG
From main system
bottled LPG
Some double glazing
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Cavity wall, filled cavity and internal insulation
Suspended, no insulation (assumed)
Low energy lighting in 7% of fixed outlets
Roof room(s), insulated (assumed)
Boiler and radiators, LPG
From main system
bottled LPG
Single glazed
not defined
Programmer, TRVs and bypass