Duncan will be giving us 25 excellent Tips on Home – Retrofit over the next few weeks.

Tip 2

A house with a BER rating of “G” (450K Wh to 1,100K Wh/m2/Annum), would need the same amount of fuel as 30 to 70 high performing homes of a similar size, but built to “Passive House” standard, less that 15K Wh/m2/annum), to achieve the same comfort.