Introduction
This case note examines the landmark decision in *City of London Building Society v Flegg* [1988] AC 54, a pivotal case in English property law concerning the rights of beneficial co-owners under a trust of land when a property is mortgaged by legal owners. Decided by the House of Lords, the case addresses the tension between the interests of third-party mortgagees and the equitable rights of individuals in occupation of a property. This essay explores the factual background of the case, the legal principles involved, the reasoning of the court, and the broader implications of the decision for property law and the protection of equitable interests. By critically analysing the judgment, this note aims to highlight the court’s prioritisation of commercial interests over individual rights, while also considering the limitations of this approach in balancing stakeholder interests. The discussion will further reflect on the relevance of the decision in the context of subsequent legislative reforms, particularly the Trusts of Land and Appointment of Trustees Act 1996 (TOLATA).
Factual Background and Legal Issues
The case arose from a dispute involving a property owned by Mr and Mrs Maxwell-Brown, who held the legal title to their family home. Unbeknownst to their mortgagee, the City of London Building Society, the property was also occupied by Mrs Maxwell-Brown’s parents, Mr and Mrs Flegg, who had contributed to the purchase price and thus held a beneficial interest under an implied trust. In 1977, the Maxwell-Browns remortgaged the property to the Building Society without consulting or obtaining the consent of the Fleggs. When the Maxwell-Browns defaulted on the mortgage payments, the Building Society sought possession of the property. The Fleggs resisted, arguing that their beneficial interest, combined with their actual occupation, constituted an overriding interest under section 70(1)(g) of the Land Registration Act 1925, which would bind the mortgagee.
The central legal issue was whether the Fleggs’ equitable interest as beneficial co-owners in actual occupation could override the Building Society’s registered charge, thereby preventing the mortgagee from taking possession. This required the court to interpret the scope of overriding interests and consider the policy implications of protecting unregistered equitable rights against third parties.
Judicial Reasoning and Decision
The House of Lords, in a unanimous decision, ruled in favour of the City of London Building Society. Lord Templeman, delivering the leading judgment, held that the Fleggs’ beneficial interest did not constitute an overriding interest capable of binding the mortgagee. The court reasoned that the legal owners, the Maxwell-Browns, had the statutory power under section 28 of the Land Registration Act 1925 to deal with the property as if they were absolute owners, subject to registered encumbrances. Since the Fleggs’ interest was unregistered and not protected as an overriding interest in this context, it could not take priority over the Building Society’s mortgage (City of London Building Society v Flegg [1988] AC 54).
Lord Templeman further clarified that, while section 70(1)(g) of the 1925 Act protected the rights of persons in actual occupation, this protection did not extend to beneficial interests under a trust where the legal owners had acted within their powers to create a mortgage. The court emphasised the importance of certainty in registered land transactions, arguing that allowing unregistered equitable interests to override a mortgagee’s rights would undermine the security of lenders and disrupt the conveyancing system. Consequently, the Building Society was entitled to possession, and the Fleggs’ equitable interest was effectively extinguished against the third party.
Critical Analysis of the Decision
The decision in *City of London Building Society v Flegg* reflects a clear prioritisation of commercial certainty over the protection of individual equitable rights. From a policy perspective, the House of Lords’ reasoning can be seen as consistent with the overarching principles of the Land Registration Act 1925, which aimed to simplify land transactions by ensuring that third parties could rely on the register. However, this approach has been subject to criticism for its perceived unfairness to beneficial co-owners, particularly those in occupation who may be unaware of transactions affecting their home. As Dixon (2016) notes, the ruling effectively subordinates the interests of vulnerable parties, such as family members contributing to a property purchase, to the interests of institutional lenders.
Moreover, the court’s interpretation of section 70(1)(g) appears to limit the scope of overriding interests in a manner that arguably undermines the protective intent of the provision. The decision suggests that mere occupation, even when coupled with a significant equitable stake, is insufficient to bind a mortgagee if the legal owners act within their authority. This creates a problematic precedent, as it places the burden on beneficial owners to register their interests or risk losing them—a requirement that may be impractical for many due to a lack of legal awareness or resources.
Implications and Subsequent Developments
The ruling in *Flegg* had significant implications for the law of trusts and registered land, highlighting the vulnerability of beneficial interests in the face of third-party dealings. It underscored the importance of formal registration to protect equitable rights, a principle that remains central to modern property law. However, the decision also exposed gaps in the statutory framework that left occupiers at risk of losing their homes through no fault of their own. Indeed, the harshness of the outcome in *Flegg* contributed to calls for reform, which were partially addressed by the introduction of the Trusts of Land and Appointment of Trustees Act 1996 (TOLATA). Under TOLATA, courts have greater discretion to consider the rights of beneficiaries when determining disputes over land, though the core issue of priority against third parties remains largely unchanged (Gray and Gray, 2011).
Furthermore, the case remains relevant in contemporary discussions of overreaching, the mechanism by which beneficial interests under a trust are transferred from the land to the proceeds of sale. While overreaching was not directly applied in Flegg (as the transaction was a mortgage rather than a sale), the principles discussed in the case continue to inform debates about the balance between equitable rights and the needs of a functional property market. As McFarlane et al. (2020) argue, the tension between protecting occupiers and ensuring transactional certainty is an enduring challenge in English land law, and Flegg serves as a stark reminder of the potential inequities inherent in the current system.
Conclusion
In conclusion, *City of London Building Society v Flegg* [1988] AC 54 is a defining case in the field of property law, illustrating the complexities of balancing the rights of beneficial co-owners against those of third-party mortgagees. The House of Lords’ decision prioritised commercial certainty and the integrity of the land registration system, but in doing so, it arguably marginalised the equitable interests of individuals in occupation. While the ruling provided clarity on the scope of overriding interests under the Land Registration Act 1925, it also exposed significant limitations in the protection offered to unregistered beneficiaries. The subsequent introduction of TOLATA 1996 has addressed some of these concerns, but the broader tension between individual rights and market efficiency persists. Ultimately, *Flegg* serves as a cautionary tale for beneficial owners and a critical point of reference for understanding the evolving landscape of trusts of land in English law. Its legacy continues to shape academic and practical discussions, underscoring the need for ongoing reform to achieve a fairer balance of interests in property transactions.
References
- Dixon, M. (2016) Modern Land Law. 10th edn. Routledge.
- Gray, K. and Gray, S.F. (2011) Elements of Land Law. 5th edn. Oxford University Press.
- McFarlane, B., Hopkins, N. and Nield, S. (2020) Land Law: Text, Cases, and Materials. 5th edn. Oxford University Press.

