As you mentioned the 55", it was very tempting, and not much more dosh either: https://www.johnlewis.com/sony-bravi...E&gclsrc=aw.ds
...but it would've been too 'tight' in that space.
However, for anyone on the lookout for a quality (but affordable) 55" OLED, it doesn't get much better, unless you like the more 'impressive' (IMO, read as artificially enhanced) colour palette of pretty much everything else, other than a Sony.
It's entirely subjective, of course, but I find results of the colour processing Sony use more natural/lifelike, which is why I've always stuck with them since the early days of Trinitron
Marco.