England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 60% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Some double glazing
double glazing, unknown install date
Programmer and room thermostat
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 85% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas, Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Partial double glazing
double glazing installed before 2002
Programmer and room thermostat