England and Wales: 1983-1990
marketed sale
Cavity wall, filled cavity and internal insulation
(other premises below)
Low energy lighting in all fixed outlets
Flat, insulated
Air source heat pump, underfloor, electric
From main system
electricity (not community)
High performance glazing
double, known data
Time and temperature zone control
marketed sale
Cavity wall, filled cavity and internal insulation
(other premises below)
Low energy lighting in all fixed outlets
Flat, insulated
Air source heat pump, underfloor, electric
From main system
electricity (not community)
High performance glazing
double, known data
Time and temperature zone control