England and Wales: 1950-1966
marketed sale
System built, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, 25 mm loft insulation
Boiler and radiators, dual fuel (mineral and wood)
From main system, no cylinder thermostat
dual fuel - mineral + wood
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed before 2002
Programmer and room thermostat
FiT application
Solid brick, with external insulation
Solid, no insulation (assumed)
Low energy lighting in 89% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Fully double glazed
double glazing, unknown install date
Programmer, room thermostat and TRVs