England and Wales: before 1900
marketed sale
Cavity wall, filled cavity
Suspended, insulated
Low energy lighting in 67% of fixed outlets
Pitched, 270 mm loft insulation
Boiler and underfloor heating, mains gas
From main system, plus solar
mains gas (not community)
Room heaters, dual fuel (mineral and wood)
Partial double glazing
double glazing installed during or after 2002
Time and temperature zone control
marketed sale
Cavity wall, filled cavity
Suspended, no insulation (assumed)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Room heaters, wood logs
Some double glazing
double glazing installed during or after 2002
Time and temperature zone control