Looking for design-advice

[Ongka]

Hey guys!

I'm working on a map with the story based quite similar on the main story.
In the intro you see yourself walking to the startarea like in the first official map.
You wake up in a mansion and only remember small parts of the past.

I'll make an outsidearea where you can go into one or two different buildings.
Now here's my question:

I made a "church-like" room directly in the mansion. Does this fit together?
Or should i make the "church" as an extra building?
I also thought of making a tunnel to this building.

Door to the room:


The room:


I just started making the room, so don't expect too much.