As far as the courts are concerned, the creditor has had more than 6 years to take action and have not bothered, therefore, as far as the courts are concern, the creditor has ran out of time.
http://www.debtquestions.co.uk/legal_yo ... php#barred
When a debt is statute barred it means that there is no legal recourse the creditor or anyone they may have sold the debt onto can take to get the money back. This does not mean the debt has gone however and they may keep harassing - at this point it is usual to make a full and final settlement just to stop the contact. However, you do not have to!
The Council of Mortgage Lenders Possessions Register is only available to members of the CML and may be checked if people apply for a new mortgage. However they do pass their information on to all three CRAs.