I am building a near-passive haus standard, 146 sq m living space house. I am retired, but never been busier.
I used to develop online teaching and learning resources for several northern universities. I also lectured in IT.
The calculation of units is irrelevant : a calculator will sort that issue out.
The word 'deemed' is the key thing. More important is the person (or organisation) that does the deeming : unless you control that entity.
If there's any doubt about the process and the range of possible answers - then the cautious answer is yes it is more than likely to be inadequate.
Statistical illiteracy writ large.
Still, it got us to read the article. Instead, read How to Lie with Statistics by Darrell Huff . Its been in print since the 1950s. Penguin Books is the publisher
I - now - avoid Stanley as a brand because of its close association with America : the brand originated there (although manufacturing is now worldwide).
If I can, I avoid anything American.
Yep, selfbuilding is as much about building character as a house.
After ten years I'm beginning to learn to enjoy the process of dealing with both cockups and cockwombles.