England and Wales: 1991-1995
marketed sale
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system, plus solar
mains gas (not community)
Room heaters, mains gas
Fully double glazed
double glazing, unknown install date
Programmer and room thermostat
none of the above
Cavity wall, as built, insulated (assumed)
Solid, no insulation (assumed)
Low energy lighting in 90% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and radiators, mains gas
From main system, plus solar
mains gas (not community)
Portable electric heaters (assumed)
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs