4 greener homes
If you build an extension to your house, it will almost definitely be better insulated than the original building, because building regulations will require it. And while having a well-insulated extension and a less well-insulated house is far from ideal, this should give some improvements in energy consumption.
But that is the minimum. Upgrading the rest of the house at the same time is sensible if affordable and/or practical. And it is also worth remembering that regulations only stipulate the minimum that is acceptable. You may want to do ...
Get House Goals now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.