Can you post a pic from further back? Also - a few questions: Do you need privacy? Do you need light control? Do you use the window seat for actual sitting?

Obviously no view and limited natural light in an otherwise dark room.... want minimalist look

Only if you don’t like looking at a brick wall...are the neighbors able to look inside? It seems to me that you may need the light. How about inside mount Roman shades that are open but provide a bit of color.

Sheers to let light in but will cover the brick wall view. If not used for seating, I would put a pretty live plant there.