England and Wales: before 1900
marketed sale
Solid brick, as built, no insulation (assumed)
Suspended, no insulation (assumed)
Low energy lighting in 71% of fixed outlets
Pitched, 75 mm loft insulation
Boiler and radiators, mains gas
From main system
mains gas (not community)
Some multiple glazing
not defined
Programmer and room thermostat
rental
Solid brick, with internal insulation
Suspended, no insulation (assumed)
Low energy lighting in 50% of fixed outlets
Pitched, no insulation (assumed)
Electric underfloor heating
No system present: electric immersion assumed
electricity (not community)
Mostly double glazing
double glazing installed during or after 2002
Programmer and room thermostat