Vanlifer looking for a temp winter let

Hello!
I am a freelance writer & creative, and part-time in arts admin/access support. I'm also half way through a Masters in Creative Writing with OU.

I like a quiet and peaceful home for an ideal working-from-home environment, and as a sensory rest (I'm neurodivergent).
If preferred, I can work somewhere else for part of each week.

I have a cat called Hailey who is small, very sweet and well behaved. She is not a scratcher. She loves having access to outside.

For the past 2 years, we've lived in a campervan, but with the second year of my masters ( I'm expecting it to be more time consuming in the second year), I am considering other options for some of the winter period. I've also been quite burnout recently so needing to make things a little easier for myself day-to-day, especially during the dark days.

I'm looking for a furnished/part-furnished room, studio flat, cabin or similar... in a peaceful place, ideally with an outdoor space.

In an ideal world, I would like to live somewhere with a bath, a decent kitchen and bills included, but I am willing to be flexible for the right space.

The property would also need to be cat-friendly, but like I said, she is very well-behaved.

As for location... I love South and West Wales for the nature and peace. I spent last winter in my van near Llandovery. I love the Brecons area, and I have friends in Newport and Swansea.
I also really like what I've seen of West Wales and would like to spend more time there.

I used to live in Brighton, so am also open to places in Sussex, but if I am there over winter I would like to be on the outskirts of town and super close to the South Downs, or some other nature. Or somewhere remote. Open to East and West Sussex.

I'd also be interested in places in South West England... or anywhere really if it's a place that ticks the boxes!

I need to be able to park my van close to home. I will likely still go away on trips fairly often. And will sometimes drive my van to go and work for the day somewhere with a different view!

I'm friendly and enjoy a bit of social connection and the odd shared meal, movie night etc.
But I'm also very happy in my own company and need quite a bit of alone time to recharge. Even more so at the moment as I'm burnt out.