Of all the assets that come up in a UK divorce, defined benefit (DB) pensions are consistently among the hardest to value fairly — and consistently among the most likely to be undervalued if they're not looked at properly. Unlike a defined contribution pension, which simply has a pot of money you can read off a statement, a DB pension promises a guaranteed income for life, calculated from a formula based on salary and years of service, with no simple "balance" to point to. The standard measure used in divorce, the cash equivalent transfer value (CETV), is only an actuarial estimate of that promise, and it can significantly understate what a valuable DB pension — particularly a generous public sector scheme — is genuinely worth. This page explains why DB pensions are so difficult to value fairly, the role a pension-on-divorce expert or actuary plays in getting a proper figure, why the CETV alone often isn't enough for a fair settlement, the factors that push a DB pension's true value up or down, and practical guidance on requesting a CETV before you need it.

Why DB pensions are notoriously difficult to value fairly

A defined contribution pension is, at its simplest, a pot of invested money — its value on any given day is whatever the pot is worth, easy to state and easy to compare against other assets like savings or property equity. A defined benefit pension works completely differently: instead of a pot, it promises to pay a specific income, usually linked to your final or average salary and length of service, for the rest of your life from a set retirement age, often with annual increases and a reduced pension for a surviving spouse built in. Converting that lifetime promise into a single transfer value for divorce purposes requires a set of actuarial assumptions — about how long you're likely to live, future inflation, and investment returns — and different sets of reasonable assumptions can produce meaningfully different values for exactly the same pension promise.

This is a particular issue for valuable public sector schemes, such as the NHS Pension Scheme, the Teachers' Pension Scheme, the Police Pension Scheme, or the Civil Service pension arrangements, where the CETV calculation method set by the scheme can produce a transfer value that many independent actuaries consider to genuinely understate what the promised income is worth, especially compared to what it would cost to buy an equivalent guaranteed income on the open market. In other words, the number on the CETV letter isn't necessarily a neutral, objective "market value" — it's one particular actuarial calculation, and for divorce purposes it's often just the starting point for a proper valuation discussion, not the final word. Our guide to how defined benefit pensions work covers the underlying scheme mechanics in more detail.

The role of a pension-on-divorce expert or actuary

Because of these limitations, more complex or higher-value DB pension cases typically bring in an independent pension-on-divorce expert — usually a specialist actuary — to produce a proper report rather than relying on the CETV alone. This expert reviews the scheme's rules, the member's age and service, and the CETV calculation itself, and can advise on whether the CETV fairly reflects the pension's value, what an appropriate pension sharing percentage might achieve in practice (see our guide to pension sharing orders), and how the DB pension compares to other assets in the settlement if offsetting is being considered instead.

This kind of report typically costs more than a simple valuation exercise on a defined contribution pot, but for anyone with a significant DB pension — particularly one already close to being paid, or from a generous public sector scheme — it's usually money well spent. Without it, there's a real risk of agreeing to a settlement based on a headline CETV figure that turns out, on closer inspection, to have significantly understated what was actually at stake.

Why the CETV alone often isn't enough — the pension sharing analysis report

For anything beyond the simplest DB cases, courts, solicitors, and pension-on-divorce specialists increasingly rely on a more detailed pension sharing analysis report, sometimes referred to as a PSAR, rather than the bare CETV figure. A PSAR goes further than a single transfer value, typically modelling different possible pension sharing percentages and showing what income each option would actually produce for both spouses at various retirement ages, so that a proposed settlement can be judged against real-world retirement outcomes rather than an abstract lump-sum figure.

This matters because a pension share that looks numerically fair based on the CETV can produce very unequal retirement incomes in practice, particularly where one spouse is significantly older than the other, or where the pension is already in payment or close to it. A PSAR — or at minimum, advice from a specialist who understands how to interpret a CETV in context, including how it relates to broader defined benefit transfer value considerations — helps make sure that a settlement is fair in terms of what actually lands in each person's pocket in retirement, not just on paper at the point of divorce.

Factors that affect a DB pension's true value in divorce

A number of factors influence how much a DB pension is genuinely worth in the context of a divorce settlement, some of which push the effective value up and some of which push it down relative to the headline CETV. Age is one of the most significant: the closer someone is to the scheme's normal retirement age, the more of the pension's value is "locked in" and less exposed to future uncertainty, while a younger member's pension carries more assumptions about decades of future inflation and investment conditions. Whether the pension is already in payment matters too, since an income already being received is valued differently to a promise that's still years away. The table below summarises the main factors to bear in mind.

Factor
Effect on the pension's effective value
Pension already in payment or very close to retirement age
Tends to increase the certainty (and often the effective value) of the promised income, since fewer assumptions are needed
Generous public sector scheme (NHS, teachers, police, civil service)
Often means the CETV understates true value compared to buying an equivalent income privately
Younger member, many years from retirement
More uncertainty in the assumptions used, and the CETV can be more volatile or contentious
Built-in survivor / spouse's pension benefits
Adds real value beyond the member's own income, but isn't always fully reflected in a basic CETV comparison
Scheme already underfunded or under review
Can reduce confidence in the long-term value of the promised income, depending on the scheme's funding position

Requesting a CETV — practical guidance for divorce proceedings

Everyone has a statutory right to one free CETV per pension scheme each year, and it's well worth requesting this as early as possible once divorce proceedings are underway, rather than waiting until it's needed for a court deadline. Some schemes, especially larger public sector ones, can take several weeks — occasionally longer — to produce and send a CETV, and delays here can hold up the wider financial settlement if left too late.

When requesting a CETV specifically for divorce purposes, it's worth confirming with the scheme whether the standard CETV is sufficient, or whether a specific "divorce CETV" or additional information is needed to satisfy the court's requirements — many schemes distinguish between the two. Building in this lead time, and lining up a pension-on-divorce specialist early if the pension looks substantial, will save considerable stress later in the process and reduce the risk of a settlement being delayed purely because a valuation wasn't requested soon enough.

CETV vs other valuation terms you might come across

Alongside the CETV, you may come across a few related terms during divorce proceedings. A "cash equivalent value" (CEV) is sometimes used interchangeably with CETV, though in some contexts it refers to a value calculated for purposes other than transferring the pension elsewhere. A "transfer value analysis" or TVAS report goes further, comparing what the CETV would actually buy if used to transfer into a different type of pension, and is sometimes used to assess whether transferring out of a DB scheme altogether — separately from the divorce settlement — might be worth considering. None of these should be confused with the actual pension sharing order itself, which is the legal mechanism that implements whatever value has been agreed.

How pension sharing percentages interact with DB valuations

Once a DB pension has a value the parties are willing to work with, deciding on the actual percentage share isn't simply a case of dividing the CETV in half. Because DB pension credits often stay within the same scheme rather than transferring out, the receiving spouse's percentage share translates into their own proportion of the promised income, calculated using the scheme's own rules — which may treat a pension credit slightly differently to an original member's pension, for example around retirement age flexibility or death benefits. This is another reason a pension-on-divorce specialist's involvement matters specifically for DB cases: translating an agreed percentage into a genuinely fair outcome requires understanding how that particular scheme actually implements pension credits, not just the headline transfer value.

Special considerations when a DB pension is already in payment

Where a DB pension has already started being paid — for example, if one spouse has already retired — the valuation approach is different again. A cash equivalent value for a pension in payment reflects the ongoing income already being received, and there may be less flexibility in how it can be shared or offset compared to a pension that hasn't yet come into payment. Attachment orders (earmarking) are, in fact, more commonly still used for pensions already in payment, precisely because sharing a pension that's already being paid can be more complex to implement in practice. This is a good example of why the "right" method for dealing with a pension in divorce can depend heavily on its specific stage and status, not just its type.

Common mistakes when valuing a DB pension for divorce

A few avoidable errors come up repeatedly with DB pensions in divorce. The most common is accepting the CETV at face value without checking whether it fairly reflects the scheme's benefits, particularly for generous public sector schemes where independent actuaries frequently find the CETV understates true value. Another is leaving the CETV request too late, only to find the scheme takes six, eight, or more weeks to respond, delaying the whole settlement. A third is failing to check whether the pension carries valuable extras — such as an early retirement option, a guaranteed annuity rate, or generous survivor benefits — that a bare CETV figure doesn't fully capture, and which a specialist valuation is specifically designed to identify and quantify.

Public sector schemes worth knowing about

A handful of public sector schemes come up especially often in DB pension divorce cases, given how many people in the UK belong to them. The NHS Pension Scheme and the Teachers' Pension Scheme are two of the largest, both offering valuable guaranteed retirement income that's frequently found to be understated by a standard CETV. The Police Pension Scheme and firefighters' pension schemes carry their own particular rules around early retirement ages, reflecting the nature of those careers. The Civil Service pension arrangements (including the Alpha scheme for many current civil servants) are another common example. None of these schemes are impossible to value or share fairly — but each has its own quirks that a generalist valuation can miss, which is exactly why scheme-specific experience matters when a pension-on-divorce specialist is choosing how to approach the valuation.

Getting started early with a DB valuation

Because DB valuations, and any accompanying specialist reports, can take weeks or months to arrange, it's worth requesting a CETV and considering whether a pension-on-divorce expert is needed as early as possible in the divorce process — ideally as soon as it's clear a DB pension is likely to be a significant part of the settlement. Leaving this until late in negotiations is one of the most common causes of delay in divorces involving a DB pension, and can add unnecessary months to a process that's already stressful enough without avoidable hold-ups. Whatever type of DB pension is involved, the underlying message is consistent: don't treat the number on a CETV letter as the final word. A short delay to get a proper valuation, or a second opinion from a pension-on-divorce specialist, is a small price to pay against the risk of permanently accepting a settlement that undervalues what is very often the second-largest asset in the marriage.

A final practical point worth bearing in mind is that the value of a DB pension can also be affected by any pension increase exchange, additional voluntary contributions, or added years purchased during the marriage, all of which can add real value beyond the basic scheme calculation and should be captured in a thorough valuation rather than assumed away. Flagging these details early to whoever is preparing the valuation report helps ensure nothing gets missed in what is already a technically detailed process.

This page is general, educational information about valuing defined benefit pensions in UK divorce and isn't legal or financial advice for your individual circumstances. Pensions and divorce is a legally complex area — always speak to a family law solicitor and a pension-on-divorce specialist or actuary before agreeing to any settlement involving a defined benefit pension. For free, impartial guidance, see MoneyHelper.