Wouldn?t it be hilarious if you returned the favour and did it to him? Wonder how he would like it? I see premierlads.com are looking for new male escorts 

I suspect Mr Jodie is wrong and I wonder if he has been looking up another country's copyright laws. Can he point to anything which substantiates his view?

AW will certainly take the photos down, and have done, but it's wack-a-mole time.

In UK law the photographs always belong to the photographer unless copyright has been reasigned, who might in law do anything, including publishing them anywhere, without recompensing or notifying the model/subject of the photograph.

Sorry but legally you cannot do much at all apart from try the county court for harassment which will end up being quite costly for you.  The only time you might have a legal way to stop him is if he ever says he will remove them if you do such and such as it then becomes blackmail.  I do not think you will even get away with the defammation of character as you were previously an escort so he is only stating what he knew to be true at the time and can easily say he did not know you had stopped working.
He may then become really vindictive and start pasting them everywhere as he does own copyright.  You can stop him from harassing you but you cannot control where he puts the pictures and the last thing you would need is them on face book and my space and every other site he can think of.
Your best bet is report it to AW and let them know and ask them to block his IP address this time. 

We all make mistakes and the best bit is we learn from them. So get it removed, put it behind you.

Photos were taken in his flat.
I just had a look at his aw profile ( i can't see the profile, but i can see his feedback). It's really annoying, as i am shitting my pants, and he has apparently been booking escorts all the time, having a jolly good time. Last one on the 25th of may.  I am sure he has done it to others, not just me, and will do it again.
After reading your not very optimistic replies, seems as though the only thing i can do is to report him to aw, and await new profile with the same photos sometime soon. 
Should i tell him that i have found the profile or don't bother?
His character is a mystery to me to be honest. I used to think he was boring to death, and he would never do something that could possibly cause him any trouble. Always worried about his neighbours, requested dress code: discreet, no kinky stuff, dinner etc. Boring lifestyle, work- home, not many friends. Reasonably good job, nice flat, nice car.
Why would a guy like this want to mess with an ex prostitute, who knows all his details and can have some dodgy friends who are up to anything. I am not talking about myself but in general.
One good thing about the situation is that everything he knows about me is far from true. I was an idiot to let him photograph me, but for some reason i was lying about my name, nationality, job, place where i live. On many occasions had he picked me up 'from my street' - but my real street was a 10 minute walk from there.

If he could find something to back that up especially regarding the model release or the requirement of written permission I would appreciate it.

While I understand it, a commercial source that may purchase images for publication may request one, I am not aware of any law requiring one.

Remembering permission was given to take the pictures in the first place, verbally which is acceptable under UK law, I dont see how a photographer would not then have the rights to do as he pleases. In saying that, you then have the issue of harassment, which does say you cannot use the images taken to cause distress etc, but that's a different matter entirely.

Unless things have changed, a photographer will more so be in trouble for taking a clothed picture of somebody in Trafalgar square and selling the image, than the OP's scenario.

Photos taken in a private location require written permission
from the subject to publish said photos.
That's the uk law.
The photographer owns the photos
but not the rights to do what they like with it.
It's a contractual matter which is why photographer ask for model releases.
I'm guessing that here no release was signed.