How are flats built re floors?

[leaskovski]

Ok, so a purpose built flat, built in the late 80s (88). How typically do you think these would be built?

The reason I am asking is that our flat appears to have a water leak, well, the laminate and ply flooring as appeared to have bowed and a dark mould like substance has appeared between the ply and laminate.

The flat in question is a top floor flat, and I would assume the floor underneath is concrete? Is that most likely? Would it even be possible to run a pipe in a concrete floor such as that?

 

[leaskovski]

Ah, so that it would be possible to run a pipe through that then. Sounds to me like this isn't our problem and is the building management firms issue.

 

[leaskovski]

how is it our leak when it isn't from one of our pipes? The pipes that supply our flat come in via a different location in the flat and are all visible once they enter the flat (run behind cupboards and bath.