England and Wales: before 1900
marketed sale
Cavity wall, as built, no insulation (assumed)
Solid, no insulation (assumed)
Low energy lighting in 33% of fixed outlets
Pitched, 200 mm loft insulation
Boiler and radiators, LPG
From main system
LPG (not community)
Room heaters, dual fuel (mineral and wood)
Single glazed
not defined
Programmer, TRVs and bypass
marketed sale
Cavity wall, filled cavity
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 300 mm loft insulation
Air source heat pump, underfloor, electric
From main system
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control