marketed sale
System built, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Boiler and underfloor heating, LPG
From main system, plus solar
LPG (not community)
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat
marketed sale
System built, as built, insulated (assumed)
Solid, insulated (assumed)
Low energy lighting in all fixed outlets
Pitched, insulated (assumed)
Boiler and underfloor heating, dual fuel (mineral and wood)
From main system, plus solar
dual fuel - mineral + wood
Room heaters, wood logs
Fully double glazed
double glazing installed during or after 2002
Programmer and room thermostat