Last year, I tried to explain, generally,
what adverse possession was and wasn't.
Now, let me tell
you what adverse possession isn't: it isn't when someone else's house goes into foreclosure and is sitting vacant, and you somehow get into the house, put your couch in the living room and declare it to be yours under adverse possession.
Not exact matches
Technically there are circumstances wherein you could take
what's called
adverse possession of part or all of the property.
In particular a decision of the Upper Tribunal in Smith v Frankland [2015] UKUT 294 which looked at
what happens in an
adverse possession case if the possessor is in
possession only of part of the land (read our blog).
I know that certain conditions have to be met in terms of
what constitutes
possession,
what makes it
adverse and so on.
These commentaries give us some insight into
what American lawyers thought about
adverse possession in the 19ᵗʰ century.
As for your parcel under a structure I would think a survey would be required and then see the rules on
adverse possession in your locale, because that is
what someone might claim against your potential claim.