Originally Posted by
Blue_Circle
It looks like some kind of modern groundwater monitoring point to me. They're usually in a bigger diameter pipe, but the description sounds about right. Are they planning any developments nearby that might need a report?
Land Securities (wretched developers) now own the old airfield and have applied to build 10,000 houses on it.
However the rust on the “cap” leads me to think it has been there for quite a few years