England and Wales: before 1900
ECO assessment
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 71% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, bottled LPG
From main system
bottled LPG
Room heaters, wood logs
Partial double glazing
double glazing installed during or after 2002
Programmer, TRVs and bypass
marketed sale
Granite or whinstone, with internal insulation
Solid, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, LPG
From main system
bottled LPG
Room heaters, wood logs
Mostly double glazing
double glazing installed before 2002
Programmer, room thermostat and TRVs