I've done it before on the beach between Mundesley and Overstrand (Norfolk).  I once passed a naturist couple there too so clearly I'm not the only one.  I chose there before there's no access to the beach other than those two towns, meaning in the middle you only get people passing who are willing to walk several miles.  Generally it's easy to see people coming and just put a T-shirt over your middle or similar, so no adverse reactions.

As you say, it's no different to naturist rambling.  Infact as you're stationary you can pick a spot you can be sure there'll be no surprises, which isn't generally true of rambling.

I have done also by accidentally . I passed Studland Bay once and before I did not know small part of it for naturist. I saw few people naked and I did not hesitate to stop and strip off. I enjoyed it very much. Only later I knew this place is famous and it has to do with National Trust. Few days ago I was thinking to visit but unfortunately the weather is not the best. Other places I taken my clothes off and bit of skinny dipping is in foreign countries but in remote beaches.😊

Posted by: @strapsure

This surely would be no different to naturist rambling.

You are correct as nudity on any beach is lawful, same as anywhere else (unless the beach is privately owned and the owner has imposed a dress code - like in a shop or similar). In practice of course you would not go naked on a busy beach full of clothed people, in the same way as you would not walk naked down the High Street. I have used a beach at Easington, near Hull, beaches on Orkney, and quiet corners of a couple of beaches in Devon and Cornwall - mostly in the West Country. I have been there early though, between 7 and 10, so it was pretty quiet. The odd stroller or dog walker I met weren't bothered - I had a good chat with one lady  at Prussia Cove.  

I have has a pre-breakfast skinny-dip in a cove bordered by, and visible from, the Welsh Coastal Path when staying at a nearby hotel.

Sure, why not? Done it plenty of times. Quiet or expansive beaches being such wide open areas with all the space in the world, the chances of offending anyone really is minimal. Textile members of the public would have to choose to get close enough to upset themselves and for that reason it just does not happen, and if strolling around it's easy to keep a distance. 

First time we tried it was near the cliffs at the Tor Bay end of Oxwich beach early on a quiet morning. The initial mild concern that others might be perturbed was soon dispelled by the textiles who must have noticed us but decided to pitch up nearby anyway.

Another time in Scotland we were alone on a massive and very remote beach so naturally we stripped off. The only people we saw all day was a family that hiked by, and possibly upon noticing us their teenage daughter stripped off and continued the walk naked.

If you asked the average person which public places nudity is most acceptable and gave them a list of options, there's a fair chance most would put quiet beaches at the top.

We found a fabulous beach on the Isle of Man, at the northern end. We had a windbreak but hardly needed it. 

@rodb

Always good to know such valuable information. Thank you very much😊

Posted by: @the-tibetan-hat

First time we tried it was near the cliffs at the Tor Bay end of Oxwich beach early on a quiet morning.

I have also sunbathed naked at Three Cliffs Bay.

May I suggest the smart phone app “iSwimNude” for lots of great info and some real surprises too! There’s a filter to concentrate on only what you are looking for! It’s the app version of the website “iSwimNude.de”!

Swimnude.de sounds a German app?

Went for a nude swim on Mwnt beach early morning. People started to turn up while I was in the water. No one said anything.

@belleyeteres

i suppose you were lucky then 😊

@marshalldrw

iSwimNude.de hmmmm where did you get it.  It seems no such app?

@moonbeam It's a typo for iswimnu.de