England and Wales: before 1900
marketed sale
Sandstone or limestone, as built, no insulation (assumed)
(another dwelling below)
Low energy lighting in 33% of fixed outlets
Pitched, no insulation (assumed)
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Full secondary glazing
secondary glazing
Programmer and appliance thermostats
marketed sale
Sandstone or limestone, with internal insulation
(another dwelling below)
Low energy lighting in all fixed outlets
Pitched, 100 mm loft insulation
Room heaters, electric
Electric instantaneous at point of use
electricity (not community)
Full secondary glazing
secondary glazing
Programmer and appliance thermostats