non marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 80% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, with internal insulation
Solid, insulated (assumed)
Low energy lighting in 95% of fixed outlets
Pitched, insulated (assumed)
Boiler and underfloor heating, LPG
From main system
LPG (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control