The single joint expert report on the pension assets has arrived. Counsel has read it; the briefing solicitor has seen pension reports of varying quality across a long career. The number is clear; the methodology behind it, less so. The trial is in three months. The question on the desk is whether the report's value is going to hold up under cross-examination, or whether the methodology question has to be reopened before the case gets to court.
This is the moment a pension valuation either earns its place or doesn't. The question is rarely whether the arithmetic is correct — by this stage the arithmetic has been checked. The question is whether the approach behind the arithmetic was built to defend itself.
Why pension valuations don't agree with each other
The same defined-benefit scheme can produce several different valuations of the same entitlement. Trustees value liabilities one way for funding purposes, another way for buy-out purposes, and a third way for the sponsor's accounts. The Cash Equivalent Transfer Value the member is offered if they leave the scheme sits somewhere within this range and varies by scheme. The Financial Conduct Authority publishes its own approach for retail redress. The judiciary has signalled clearly that fair value at the date of separation is the right basis for matrimonial purposes — but fair value names a convention, not a calculation. A sophisticated cross-examination can ask why the expert's number differs from the others, and the expert needs an answer.
This is the structural reason pension valuation in matrimonial cases is harder than asset valuation generally. There is no single correct figure waiting in a market that fixes the price; there are several internally-consistent answers calibrated to different purposes. The expert's job is to demonstrate why their answer is the appropriate one for the matter at hand.
Why the methodology question reaches counsel
Most expert reports adopt a methodology and apply it. Few articulate why their methodology is appropriate against the alternatives. When opposing counsel has read the same range of valuations the trustees and the regulator publish, the methodology question is going to be asked. An expert who can answer it, with reference to standard professional practice and to publicly verifiable benchmarks, is in a stronger position than one whose answer is "this is the methodology we use."
Defensibility under cross-examination is a function of three things. Consistency with standard professional practice — the expert is using the methodology of the field, not an idiosyncratic one. Operational alignment with publicly-articulated benchmarks — the expert's number relates to the FCA's published number, the trustees' funding number, and the buy-out market in expected and explainable ways. Reproducibility against real schemes — the methodology has been applied to schemes whose CETV bases are publicly known, and produces those CETVs. Each of these is independent; together they make a report's methodology hard to attack.
Where the contested question often actually sits
An additional question arises in private DB schemes that few methodologies address explicitly. When a sharing order is implemented through external transfer, the cash that leaves the scheme uses the scheme's Cash Equivalent terms while the matter is being valued on a fair value basis. The two sit on different bases. A structural difference arises that cannot be eliminated within the mechanics of the case — only allocated between the parties. Most methodology allocates this silently to the giving party without acknowledging the choice. Where the assets are large, the allocation choice can move the practical outcome materially. An expert whose methodology addresses this allocation explicitly is on firmer ground than one who does not.
What to look for when relying on a report
A solicitor instructing or reviewing an expert report on a substantive matter has four questions worth asking. What independent tests does the methodology pass — not what method was used, but what tests the method satisfies. How does the methodology relate to the FCA's published approach — divergence without explanation is a cross-examination opening; divergence with explanation is articulable. Does the methodology reproduce known valuations of real schemes — if it does, that's objective evidence the methodology works. How does the methodology handle the structural difference between fair value and the cash that leaves the scheme on transfer — an allocation made silently is harder to defend than one made explicitly.
The trial is in three months. The expert report is the apparatus the case will be made with. The methodology behind it is the apparatus the case will be defended with. The two are not the same thing.
Last updated May 2026.