England and Wales: 1930-1949
not sale or rental
Average thermal transmittance 0.34 W/m-¦K
Average thermal transmittance 0.62 W/m-¦K
Low energy lighting in 45% of fixed outlets
Average thermal transmittance 0.15 W/m-¦K
Air source heat pump, radiators, electric
From main system
Electricity: electricity, unspecified tariff
Room heaters, wood logs
High performance glazing
Programmer, TRVs and bypass
not sale or rental
Average thermal transmittance 0.34 W/m-¦K
Average thermal transmittance 0.62 W/m-¦K
Low energy lighting in 45% of fixed outlets
Average thermal transmittance 0.15 W/m-¦K
Air source heat pump, radiators, electric
From main system
Electricity: electricity, unspecified tariff
Room heaters, wood logs
High performance glazing
Programmer, TRVs and bypass