Just under 6% of our land is actually built on. It is a common problem that people exaggerate the amount of room this island has.
https://www.bbc.co.uk/news/uk-41901294
When I’m on a flight and I look down as we fly over the U.K. I always find it remarkable just how much of the country is countryside. It’s vast swathes of green with the odd built up area.