This is one of those really difficult stories. Charlie builds an absolutely lovely little cottage home for his wife and child without planning permission, knowing that it was illegal but hoping to get retroactive approval. Had it been a monster home we would have no trepidation about condemning this as exurban sprawl on protected countryside, BUT IT"S SO CUTE!
We did a survey, and at time of writing, 88% of readers think it should be allowed to stay.
More: Should this "Hobbit House" be demolished for flouting the planning rules?