marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 62% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
mains gas (not community)
Partial secondary glazing
secondary glazing
Programmer, TRVs and bypass
marketed sale
Cavity wall, as built, insulated (assumed)
Suspended, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, 250 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control