England and Wales: 1930-1949
marketed sale
Cavity wall, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 62% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Single glazed
not defined
Programmer, room thermostat and TRVs
marketed sale
Cavity wall, filled cavity
Suspended, insulated
Low energy lighting in 93% of fixed outlets
Pitched, 270 mm loft insulation
Air source heat pump, underfloor, electric, Air source heat pump, radiators, electric
From main system
electricity (not community)
Room heaters, wood logs
Partial double glazing
double glazing installed during or after 2002
Programmer and room thermostat