thanks for the replys everyone just a quick update. As far as I know I havent reinjured the area to the point it was before but have strained my back on a few occasions.

I went to the NHS physio last week and he check my flexiblity by making me bend forward, to the side, and backwards. He said these had improved, but still couldn't give me any real diagnosis, he suggested I strip my training right back to the bare minimum. So I basically stopped for 2 weeks, the pain is still there after a while when I sit. I have been doing the same exercises as before written in the thread 2 or 3 times a day. I know my flexibility has increased as am closer to touching my toes.

I just felt like the guy blew me off I told him the pain was still there, but he said it is still "early", made another appointment with him but feel like its a waste of time.

So Im going to go private to in the next few days, hoping I can get more of an insight to what is wrong with me, and how I can fix it faster. Will let everyone know how it goes