England and Wales: before 1900
marketed sale
Solid brick, with internal insulation
Suspended, insulated
Low energy lighting in all fixed outlets
(another dwelling above)
Boiler and underfloor heating, electric
Electric immersion, standard tariff
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats
marketed sale
Solid brick, with internal insulation
(another dwelling below)
Low energy lighting in all fixed outlets
(another dwelling above)
Boiler and underfloor heating, electric
Electric immersion, standard tariff
electricity (not community)
Fully double glazed
double glazing installed during or after 2002
Programmer and at least two room thermostats