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Fire safety defects v frustration: Risk allocation prevails

02 July 2026
The Technology and Construction Court ("TCC") has clarified the limits of frustration in the context of post-Grenfell building safety defects. The decision reinforces the high threshold for frustration and confirms that clear contractual risk allocation will prevail.

Background

Into Nominee One Ltd & Into Nominee Two Limited ("Landlord") sought summary judgment against Study Group UK Ltd ("Tenant") to recover over £9 million in rent arrears under the long-lease of Voyager House in Brighton ("Premises").

The Premises is a purpose-built student facility, comprising of a block used for teaching and administrative support and a 4-storey residential block.

Completed in 2007, the Premises were subsequently let to the Tenant under a 25-year full repairing and insuring (“FRI”) lease. The lease imposed extensive repairing obligations, extending to the rebuilding and renewal of the Premises and allocated the risk of defects, whether latent or otherwise, to the Tenant.

Prompted by the Grenfell tragedy, investigations were undertaken between 2021 and 2022, which identified serious systematic fire safety defects, including combustible cladding & insulation, defective fire stopping & compartmentation and missing cavity barriers.

Expert evidence concluded that the Premises were unsafe for occupation and required extensive remedial works, extending beyond the remaining lease term, due to expire in September 2032. As a result, the Tenant ceased operations at the Premises and withheld rent.

Key issues before the court

The central issue was whether the discovery of serious building safety defects and/or changes in the post-Grenfell regulatory framework (including the Building Safety Act 2022) could operate to frustrate the lease.

The Tenant advanced two principal arguments:

  1. The defects undermined the common purpose of the lease, namely use of the Premises as an educational facility; and
  2. The subsequent legislative changes altered the parties’ obligations and rendered the Premises non-compliant.

The court's analysis

Frustration

Firstly, the Court emphasised the high threshold required to establish frustration. Frustration arises only where an event renders performance:

  • Impossible; or
  • Radically different from what the parties originally agreed.

The Court rejected the Tenant’s reliance on a broader “common purpose”. It held that the contractual scheme demonstrated that they had considered the possibility of latent defects and had allocated responsibility to the Tenant. Where a contract allocates the risk of a particular event, the doctrine of frustration will not operate to reallocate that risk.

Additionally, the Court held that legislative changes post-Grenfell merely reinforced existing obligations. They did not fundamentally alter the contractual obligations as remediation was required in any event.

The Defects

Whilst the Court accepted that the defects were serious and rendered the Premises unfit for occupation, this did not, of itself, give rise to frustration. The Tenant was subject to wide-ranging repairing obligations. The lease, however, contained no warranty that the Premises would be fit for purpose.

Ultimately, the Court rejected the Tenant's position and granted summary judgment in favour of the Landlord.

Key Takeaways

Tenants

Tenants should carefully consider risk allocation at the outset, particularly:

  • the scope of repairing obligations, especially in FRI leases;
  • exposure to latent and patent defects; and
  • the availability of protection through collateral warranties and adequate professional indemnity insurance.

Landlords

The judgment provides reassurance that contractual risk allocation will be upheld, even in cases of broad remedial and repairing obligations.

It also demonstrates the value of robust drafting as outcomes will ultimately turn on the specific contractual wording.

Property and Construction Stakeholders

More broadly, this decision underscores the importance of clear and consistent risk allocation across all project documentation. This includes not only the primary contracts such as the building contract and leases, but also ancillary documents, like collateral warranties.

Our Construction team can provide tailored advice on the impact of Into Nominee One Ltd v Study Group UK Ltd [2026] EWHC 1201 (TCC) on your business. If you would like to discuss the article further, please contact Laura McCorquodale, Mhairi Innes or Alice Flynn.

Further Reading