England and Wales: 1900-1929
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, wood logs
Partial double glazing
double glazing installed during or after 2002
Programmer, room thermostat and TRVs
marketed sale
Granite or whinstone, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Full secondary glazing
secondary glazing
Programmer, room thermostat and TRVs