England and Wales: 1930-1949
marketed sale
Solid brick, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
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 secondary glazing
secondary glazing
Programmer, room thermostat and TRVs
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 96% of fixed outlets
Pitched, 100 mm loft insulation
Boiler and underfloor heating, mains gas
From main system
mains gas (not community)
Some double glazing
double glazing installed during or after 2002
Time and temperature zone control