Well let's hope someone somehow can do something about it, its really not pleasing on the eye at all. Hopefully something H+S based.

As for the bikes, are they not under the same legislation as cars then? If it has a keeper it must be insured regardless SORN or not. And surely if it doesn't have a keeper it will play into the hands of the authorities.

As for squatting, that's very unfortunate if that's the case.