England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 40% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, LPG
From main system, no cylinder thermostat
LPG (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed before 2002
Programmer and room thermostat
marketed sale
Sandstone or limestone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in 25% of fixed outlets
Pitched, insulated at rafters
Boiler and radiators, LPG
From main system, no cylinder thermostat
LPG (not community)
Room heaters, dual fuel (mineral and wood)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs