Published on Feb 24, 2026
Commercial contract law is often described as stable and predictable. In reality, commercial contract law under English Law is in constant flux and development. Over the past year in particular, the courts have continued to refine - and occasionally stretch - core contract law principles in ways that have real consequences for day-to-day contract drafting, contract review and contract negotiation. For lawyers and contract professionals, keeping pace is no longer optional risk management; it needs to be a core professional discipline.
One of the most visible areas of development is contract formation through modern communications. Judges are increasingly being asked to decide whether legally binding contracts have been concluded through email chains, messaging platforms, such as WhatsApp, and other informal exchanges. The legal analysis still turns on offer, acceptance and intention to create legal relations, but the factual matrix now includes fragmented threads, shorthand language and potentially even emojis (though courts have yet to rule definitively on this). The result is a growing body of commercial contract case law confirming that informality does not prevent legal enforceability. For practitioners, this sharpens the need for clear internal protocols around commercial communications and careful use of ‘subject to contract’ and similar labels.
The courts have also revisited familiar but difficult territory: agreements to agree, reasonable endeavours clauses and conditions precedent. Recent decisions show a continued willingness to give commercial effect to clauses that might once have been dismissed as too uncertain, provided there is sufficient objective content. At the same time, poorly drafted conditions precedent to payment are being tested with increasing frequency, particularly in complex supply and services arrangements. The message is clear: precision in drafting procedural and payment mechanics is just as important as headline commercial terms.
Risk allocation in commercial contracts remains a central battleground. Limitation of liability clauses, exclusion clauses and indemnities are under close judicial scrutiny, especially where parties argue about the meaning of phrases such as ‘aggregate liability’ or attempt to carve out particular heads of loss. Courts are demonstrating a strong preference for construing these clauses in their documentary and commercial context rather than through abstract rules. That trend reinforces the importance of coherence across the contract as a whole, including definitions, schedules and boilerplate.
Beyond these structural issues, there has been notable attention on good faith in commercial contracts, the incorporation of onerous or unusual terms, and the operation of entire agreement clauses. The judiciary continues to balance freedom of contract with fairness in notice and transparency, particularly where one party seeks to rely on a burdensome provision buried in standard terms. Meanwhile, disputes over termination clauses, affirmation and remediable breach underline how easily parties can lose valuable rights through delay or inconsistent conduct.
Significantly, in certain key areas, courts are showing an ongoing readiness to fill gaps - implying or supplying contractual terms where necessary to make certain types of commercial arrangement work. That pragmatic approach reduces the comfort practitioners might once have taken from silence in the drafting.
Taken together, these developments point in one direction: technical accuracy in drafting must be matched by a sophisticated understanding of how courts actually interpret commercial contracts under English law in a modern commercial environment. For professionals working with English law agreements, vigilance and continuous learning are now part of the job description.
Join expert presenter, Mark Weston, on Commercial Contracts Case Law Update 2025: Key Decisions and Practical Impact for a structured, practical walk-through of these 2025 developments and what they mean for your contracts. He explores the key decisions and their real-world drafting impact in detail. It’s a focused way to translate recent judgments into clearer wording, stronger risk allocation and more confident negotiation.
Published on Feb 24, 2026 by Angela Spall