England and Wales: 1900-1929
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 86% of fixed outlets
Pitched, no insulation (assumed)
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, LPG
Fully double glazed
double glazing installed before 2002
Programmer, TRVs and bypass
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 78% of fixed outlets
Pitched, 300 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs