Well, you obviously need a few more cables... But I don’t see any problem planning that in.
The DSL signal doesn’t really care whether the 2 wires from the Telekom APL to the router are 50 or 500 cm long. So we had an empty conduit installed from the basement to the stairwell, through which we run the DSL to the router, plus 2 double LAN sockets that bring the 4 router LAN ports to the patch panel in the basement. With these 4 connections I currently don’t even need a switch, that is, without kids surfing.