Originally published in January 2014. Updated in October 2026 to explain the relevance of historical lender requirements to conveyancing investigations.
When Lexsure reviewed mortgage lender instructions for 2013, the findings revealed a significant increase in changes facing conveyancers. The review reported that 91% of participating CML lenders had amended their Part 2 requirements, with 1,793 sections changed — a 68% increase in change activity compared with 2012.
Those are historical figures, rather than a description of the mortgage market today. But they illustrate an enduring problem: lender instructions change, and the wording available now may differ materially from the wording that applied to an earlier transaction.
For a solicitor, professional indemnity insurer or expert investigating an old conveyancing file, that distinction matters. Before considering whether a lender instruction was followed, the instruction itself needs to be established.
What the 2013 review revealed
The Council of Mortgage Lenders’ Handbook distinguished between the general instructions in Part 1 and each lender’s specific requirements in Part 2. The original review identified frequent amendments concerning completion documentation and the acceptance of personal searches, alongside changes addressing Green Deal arrangements and solar panels.
The accompanying articles examined which lenders changed their CML Part 2 requirements most frequently in 2013 and changes across the Handbook’s chapters. Read as historical commentary, they show how lender instructions could develop within a relatively short period.
The practical concern was not simply the number of amendments. A change affecting searches, title, lease terms or reporting could alter the steps required on a particular transaction.
Why today’s Handbook may give the wrong historical answer
Suppose a property bought in 2013 becomes difficult to sell or remortgage years later. The difficulty might concern a lease provision, missing approval, a flying freehold or another title issue.
Checking the lender’s current requirements may help explain the present difficulty. It does not, by itself, establish what the original lender required when the purchase took place.
The earlier wording may have been more restrictive, less restrictive or differently expressed. There may also have been transaction-specific instructions or written lender consent. A retrospective investigation needs to distinguish these possibilities.
Our article on historical Halifax mortgage requirements explores why the date of the transaction is central to that enquiry.
An earlier mortgage does not resolve a later problem
“The lender accepted it when I bought” is an understandable response when a property issue emerges. However, an earlier mortgage does not establish that the lender’s policy is unchanged, that every relevant matter was reported, or that the transaction proceeded without special conditions.
Equally, a present-day objection does not establish that the original conveyancer made a mistake. The property, the available evidence or the lender’s requirements may have changed.
This distinction is explored in Lloyds Bank lent on the property — so why is it a problem now?
How the Lexsure Lender Archive assists
The Lexsure Lender Archive retains historical lender requirements and recorded changes dating back to 2007, with coverage depending on the lender, region and date.
It provides a way to investigate the recorded Part 2 wording for a particular lender at a particular historical date. That evidence can then be considered alongside the conveyancing file, mortgage offer, correspondence, report on title and any specific lender authority.
For professional investigations, a further question may arise: how did that lender’s recorded position compare with other lenders at the same time, and how were requirements developing?
Lexsure’s professional and institutional services include historical market analysis and, where appropriate, separate independent expert instruction. Historical records and market comparisons assist the investigation; they do not, on their own, determine negligence.
The enduring lesson from complexity creep
The 2013 review highlighted the danger of treating lender instructions as static. Its relevance now extends beyond monitoring changes on live transactions: superseded wording can become important evidence when an older transaction is questioned.
If you are reviewing a historic conveyancing matter, start by establishing the lender’s recorded requirements for the relevant date. Then assess those instructions in the context of the actual file.

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