Rear and front mech knackered - options?

Single narrow wide up front in the mid position (more likely 104 but you don't mention the crankset) and fix or replace the rear mech, clutch isn't really necessary but nice to have. A 32t would be my suggestion, I rode a 32t with an 11/34 9 speed for a long time without issues.

Went for the same setup last year. Bashed the chainrings really bad once. Screwed up the largest one, bent one of the chainring holding arms by about 1-2 mm, and I think one of the crankarms was bent slightly (I realised this only after getting new cranks).

So after the crash (which was pretty lame, compared to the epic damage it caused) I kept riding on the middle chainring for a bit and thought that 1x might work for me. So I bought a 30T narrow wide chainring to try out a 1x drivetrain long term and see what the fuss is about. Also had an 11-36 cassette. First rolled with 1x10, then downgraded to 1x9 (12-36) to cut down on my maintenance costs (I ride over 1000km a month during summer, worthwhile investment for me). I also bought a medium cage mech.

For 29er, the 30T was fine, a 26" would probably be better off with a 32T. That is, it's fine if you want to do the middle of the spectrum riding with considerable amount of climbing. For more of a flat riding, I'd pick a 34T (on my 29er). To get an idea of what you'll have, google for "bike gear calculator" and see for yourself which ratios you'll lose.

The setup was good enough for just about anything, excellent at trails. And the simplicity of 1x compared to 3x is a bliss. However, my top speed on flat dropped significantly, from 30-35kmh on hardpack with no wind, to 27kmh tops, typically 25 and below). The cadence simply wasn't a good fit for that. Also, I started to orient myself very heavily towards climbing and some of the climbs in my area did actually make me wish for an even lower ratio. Where there is a climb, there's also a descent, and usually once I got over 40kmh, there was no way I could get any faster by pedalling and had to rely on gravity to do all the work.

When I finally cleared the budget for new cranks (actually, about two weeks ago), I bought Shimano XT M8000 2x cranks. Meant for 11 speed drivetrains, but they work just fine with anything else, just gotta get a front mech of appropriate make to fit a wider chain. Main reason for purchase is the 36-26 chainring combo which, combined with the 12-36 cassette, turned out to be absolutely spot on for my riding. I utilise the entire range of the cassette and never long for a lower or higher gear.
I did have to put back the front shifter, but considering I recently ditched the lockout remote, it's a non-issue. The 2x is really nice too, very simple to think about during riding. Like a said, a perfect fit for me, so the simplicity of 1x wasn't even so hard to say goodbye to.

Just a bit of personal experience. Definitely give 1x a go. It's great. Once you're going to be buying new cranks, you'll have a good field of reference to pick something that will suit you perfectly.