England and Wales: 1950-1966
marketed sale
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 75% of fixed outlets
Pitched, 300+ mm loft insulation
Boiler and radiators, bottled LPG
From main system
bottled LPG
Room heaters, wood logs
Fully double glazed
double glazing installed before 2002
Programmer and room thermostat
FiT application
Cavity wall, filled cavity
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 250 mm loft insulation
Boiler and radiators, mains gas
From main system, no cylinder thermostat
bottled LPG
Fully double glazed
double glazing installed during or after 2002
Programmer, room thermostat and TRVs