I think it's a good arrangement, and if it runs the full width of the hull, comfortable no matter which tack you are on. You need bunks that work on both tacks. When I designed the Electric Pelican, in a rush to make the competition, I drew the accommodation layout so that there were three settees, all on the same side. I realised the mistake, but had no time to correct the problem, which I could do by simply reversing the chart room layout, so sent it in as it was. It was not commented on, but I always saw it as a fault, as it is nice to be able to go below fully dressed and lie down on the low side, confident that you will not be hurled off onto the floor.
Serendipity has the same problem.
All of the settees are on the port side, so, if you are on the port tack as we were for 2 days, the only place to lie down with out hanging on is the floor. People are inclined to walk on you in the dark. And it's hard, especially if you are used to a water bed. For such a good cruiser, Serendipity is a surprisingly good sailer. She is quite fast, and satisfying to sail.