Powerful, underused, and easily forgotten: The Barrell[1] jurisdiction is the legal equivalent of a trapdoor in the courtroom floor. It gives the court the rare power to reverse its own decision at any point before the order is drawn up and sealed, if there is good reason to do so.
For many practitioners, it barely registers or perhaps lurks quietly in the background until, every so often, a case yanks it back into the spotlight. That moment came again in March 2025, when the Court of Appeal revisited this doctrine in X v Y [2025] EWHC 727 (Fam).
Recent Case Law – X v Y [2025]
While the facts of X v Y are relatively unremarkable, the case stands out for its refresher on the scope – and limits – of the Barrell jurisdiction. The facts are this:
- 14 December 2023 – HHJ Spinks delivers judgment following a Final Hearing in November. He orders the sale of the former matrimonial home (FMH) with an 62.5% division in the husband’s favour – around £140k more than the wife – justified by his higher earnings and mortgage capacity. So far, so ordinary.
- 3 January 2024 – The husband’s father dies. The wife estimated that the husband’s expected inheritance to be c.£1.1 million.[2]
- The husband applies to have the original order perfected and enforced.
- The wife cross-applies under the Barrell jurisdiction, seeking a reversal before sealing, and on the substantive grounds that:
- It is obviously unfair in a needs case for the wife to take a lesser share in the proceeds where her husband received a substantial inheritance.
- The court can expect the family will find a way to enable the husband to benefit from the inheritance.
- The court made a procedural error by not allowing the wife to challenge the husband’s route to obtain a benefit from his inheritance.
- 31 May 2024 – HHJ Spinks (considering the matter on paper) rejected the wife’s application.
- 16 August 2024 – The wife applies out of time to appeal, seeking excusal for her late application citing:
- Late knowledge of the grant of probate (not until June 2024, although it was available from 25 May 2024), and
- Her status as a litigant in person.
- 7 February 2025 – A stay is granted.
- 11 March 2025 – Mr Justice Trowell considering whether (i) permission to appeal out of time should be granted (ii) there should be permission to appeal (iii) the substantive appeal should be granted, dismisses the appeal[3] and hands down judgment.
Trowell J concurred with HHJ Spink’s dismissal of the wife’s application under the Barrell jurisdiction; particularly, on the basis that the wife had already alleged in her evidence leading up to the hearing at first instance that (i) the husband had undisclosed resources, (ii) his family would help him[4], and (iii) he is likely to receive a significant inheritance from his father (who was then aged 90). There had already been careful consideration of these issues including substantial cross-examination. In any event, the facts – as now revealed – did not show that this was not a case of the husband simply inheriting £1m and ‘still wanting a greater share of the matrimonial resources as if he did not have that £1m’[5]. Whilst there was potential for advancement from the trust at an earlier date, Trowell J held that HHJ Spinks was entitled, in the exercise of his discretion, to find that – once judgment had been given – an inquiry into what the trustees or the estate might do was no longer appropriate.
The Barrell Principles
The appeal judgment also offers a useful endorsement of HHJ Spinks’ concise summary of the key principles relevant to a Barrell application (bold added for emphasis):
‘From these cases, I discern the following principles in particular:
1. There is no doubt that the court is able to reverse/alter its decision at any time prior to the order being perfected;
2. For the power to be exercised does not require ‘exceptional’ circumstances[6];
3. That where the request is made on the basis of new evidence that was not before the court first time round, there needs to be good reason (in which there is a “due diligence” requirement) to depart from the finality principle (AR -v- MR);
4. The ‘finality principle’ is of considerable importance in financial remedies cases (not least given the costs involved) and also, in particular, after a judgment given at a final hearing;
5. The issue should be approached from the perspective (or “through the prism”) of the Overriding Objective;
6. A judge considering such an application should not start “from anything like neutrality or evenly-balanced scales…the question is whether the factors favouring re-opening of the order are, in combination, sufficient to overcome the deadweight of the finality principle…together with any other factors pointing towards leaving the original order in place” (AIC Ltd).’[7]
Successful Applications under the Barrell Jurisdiction?
Undoubtedly one of the most prominent examples of a successful Barrell application in the family courts is In the matter of L and B [2013] UKSC 8. Not least because it is the seminal case that widened application of the Barrell jurisdiction beyond the previously limited, exceptional circumstances threshold.
The facts of L and B are that, at the Fact-Finding Hearing in care proceedings, the judge held that the father was responsible for unexplained injuries to his baby. However, two months later, without any appeal having been brought and entirely on the court’s own motion, the judge changed their mind and concluded that either parent could have been responsible. In considering the appeal challenge to the judge’s own reversal in the decision, Lady Hale (as she then was) made several important observations:
- Reiterated that the overriding objective is fairness, and that in cases involving children, their welfare is paramount.[8]
- Emphasised that it would be detrimental to the interests of all involved – especially the children – if the only route to correcting such an error were by appeal.
- Crucially, stated that the jurisdiction to revisit a decision is not reserved for exceptional circumstances.[9]
- And finally, that any detrimental reliance on the original order must also be considered when deciding whether to reopen a case.
‘A Concluding Comment’
The Barrell jurisdiction remains a powerful, if sparingly used, judicial tool, and one that can safeguard the interests of fairness when used with appropriate cause and principle. As the case law shows, the threshold for its use has evolved, but the underlying message is one of balance: fairness, finality, and the integrity of the process must all be weighed.
There is no better conclusion to this article than a repeat of the sage words of the Supreme Court in 2013 in their ‘concluding comment’: –
‘…judicial tergiversation is not to be encouraged. On the other hand, it takes courage and intellectual honesty to admit one’s mistakes. The best safeguard against having to do so is a fully and properly reasoned judgment in the first place.’[10]
These words are not a criticism, but a call for care – to get it right the first time, but to be brave enough to revisit a decision when justice so demands.
Francesca Skakel, Associate in the Family Team at Birketts LLP
[1] Commonly referred to as the Barrell jurisdiction, rooting back to Re Barrell Enterprises [1973] 1 WLR 19. Russell LJ states pp 23-24: ‘When oral judgments have been given, either in a court of first instance or on appeal, the successful party ought save in the most exceptional circumstances to be able to assume that the judgment is a valid and effective one. The cases to which we were referred in which judgments in civil courts have been varied after delivery (apart from the correction of slips) were all cases in which some most unusual element was present’. Recent case law has honed the jurisdiction, namely In the matter of L and B [2013] UKSC 8 and AIC Ltd v Federal Airports Authority of Nigeria [2022] UKSC 16. Continued insistence on terming it “the Barrell jurisdiction” is a historical overhang.
[2] However, because of the way the will is structured with a will trust, the husband was only guaranteed to receive £43,500 from his father’s nil rate tax band and then an uncertain amount from nothing to several hundred thousand pounds (subject to probate, where his step-mother would live, and there being no challenge to the will)
[3] Although, the Judge does grant permission to appeal and for it to be heard out of time, attaching no weight to the wife being a litigant in person, but on the basis that Wife’s discovery of the grant of probate made a difference to her ability to bring the appeal (PP. 25 and 30, X v Y [2025])
[4] Although evidence rather showed that the relationship between the husband and his family were strained
[5] P.40 X v Y [2025]
[6] This is distinct from saying that a reopening of a decision would be ‘rarely acceptable’ as per AR v ML [2019] EWFC 56
[7] P.20 X v Y [2025]
[8] In particular noting at p.41 ‘In this respect, children cases may be different from other civil proceedings, because the consequences are so momentous for the child and for the whole family.’
[9] Perhaps in contrast to the Thwaite and Barder jurisdiction
[10] In the matter of L and B [2013] UKSC 8, lit. the concluding comment to the judgment
