soli stack vent pipes

Hi all, Newbie here. Looking for some advise and help please Back story….. Some years ago my dad had an extension to his house which included a newly built downstairs shower room. Recently he had this downstairs shower room re-fitted/decorated. Quite a simple set up consisting of a sink...

I have recently moved into a five year old, three story town house. When I was up in the loft I noticed that the soil pipe vent pipe for two of the bathrooms had become detached. I also noticed that the vent pipe for the two shower rooms that was located close to the eaves was disconnected. I...