Recommendations for a "wellness" retreat either in or Near London - weekend or 3 days

[FairTurtle]

Hello! Looking for somewhere to just go on my own and have some treatments and recharge for a bit. I've spent a long time dealing with chronic illness and want to just get away for a bit. Thing is, I can't do a lot of the typical "get away" things like long walks or anything so it needs to be somewhere that's fairly accessible and easy to get around within the hotel/outsidey places. I've only suggested London because that's where I live and long travel is hard.

I know this is probably quite a specific request, but any ideas? Honestly, I just want a few massages and to lie down somewhere different, in different surroundings for a few days.

Park House Hotel and Spa in Sussex has lovely grounds and isn’t at all snooty or formal. It’s 7 miles from Chichester station if you’d like to travel by train. I really enjoyed the yoga and Pilates classes in the barn.
Ockenden Manor is similar in that it’s relaxed, has nice grounds and a fantastic spa. It also does specific wellness retreats, although I haven’t done one.

Look around the Rye area, there seems to be a lot going on around the new Vineyards that have developed round there.

My friend actually delivers the nutrition courses as part of the wellness courses I'll ping her and ask which one she would recommend

www.sharphamtrust.org/whatson

My friend got back to me, she doesn't have anything scheduled where she does hers but this is what she uses for herself.