England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
Solid, no insulation (assumed)
No low energy lighting
Pitched, no insulation (assumed)
Portable electric heaters assumed for most rooms
No system present: electric immersion assumed
house coal (not community)
Room heaters, coal
Single glazed
not defined
No thermostatic control of room temperature
marketed sale
Sandstone or limestone, with internal insulation
Solid, insulated
Low energy lighting in all fixed outlets
Pitched, 200 mm loft insulation
Electric underfloor heating, Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Time and temperature zone control