Two-page-layout, fullscreen, 43" 4k display, great chair.
With that said around 2017 I was living in a tiny apartment in London (then moved to a bigger one). The space was 25-30sqm so.. not much room. I bought a second-hand 40" TV, and used it for both work, play, netflix/hbo, etc. Although I prefer Fortnite on 'smaller' (below 35") screens.
It's on a big-ass desk, about 70-80 cm away from my eyes.