Re: About recording calls.
UK law on recording calls is a bit vague. You can record a call without telling the other party, if that recording is not going to be given to a third party. Not sure how it works if you later want to give that recording to a solicitor, or produce it in court.
http://www.ofcom.org.uk/static/archive/oftel/consumer/advice/faqs/prvfaq3.htm