If you are under the threat of a Compulsory Purchase Order, you need professional advice.
Doing nothing is not an option. You need a survyer/solicitor skilled and experienced in advising on CPO matters.
Why, "The law and procedure relating to compulsory purchase is complex." DCLG
If you think you may be affected by compulsory purchase you should read this booklet below AND take professional advice. The information contained in the booklet below is not intended to be a complete guide to the law and carries no legal force.It should, however, provide an understanding of the compulsory purchase procedure, setting out the rights of landowners and occupiers and identifying where opportunities may exist to resist or influence the compulsory purchase procedure.
In many instances, the acquiring authority should be in contact with you and will explain what they can do to assist you in understanding and taking advice, and ultimatley assist you in making your decision on what to do.
In many cases and initailly, consult a surveyor, who will provide a free short discussion and some initial guidance on what you need to do and who can help you.