Question Author
Thank for all your answers guys - I'll do a bit more investigating.
We live on a new housing estate - 6 year old house - there is a strip of land down the side of our house that the company that we pay to take care of common areas has never touched because they say that it does not belong to them. I have a letter from them dated 6 years ago, telling me that it was missed from the initial transfer, but that they would now be maintaining it. They have never done so and I have been phoning them regularly over the last few years.
They now say that it definitely does not belong to them, but they dont know who owns it. They have been trying to find out for the last year.
I have been maintaining it and have threatened to move my fence - this is what sparked then into action last year - I have told them that not maintaining it poses a danger as it contains large jaggy bushes which need regularly cut back.
I think that unless I actually move the fence then I haven't got a case, but I ill look into it - thanx again.
Annie