England and Wales: 1930-1949
none of the above
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 10% of fixed outlets
Pitched, no insulation (assumed)
Boiler and underfloor heating, LPG
From main system, no cylinder thermostat
LPG (not community)
Fully double glazed
double glazing installed before 2002
Programmer, room thermostat and TRVs
none of the above
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Roof room(s), insulated (assumed)
Boiler and radiators, LPG
From main system
LPG (not community)
Full secondary glazing
secondary glazing
Programmer, room thermostat and TRVs