Hi there(posted 7862 days ago)If by the 6 year ruke you mean the CML agreement, the 6 years starts from the date of sale of the property.
Under the Limitation Act (12 years fpr principal and 6 yeras for interest) the starts to run from the furst default that allowed the lender to demand repayment of the whole mortgage debt 0 need to look at terms of the mortgage - will usually be after 2 or 3 missed payment.
However, any signed, written acknowledgment of the debt or part payment towards it restarts time running afresh
Hope this is the info you needed.
All thge best
Guy