This guide is maintained as a current resource for September 2026 and covers only the laws of England and Wales. Information is for general guidance, not legal advice. Consult a qualified solicitor for advice specific to your situation.
Understand what makes a contract term unfair for consumers in England and Wales, including the legal test under the Consumer Rights Act 2015, examples of unfair clauses, how fairness is assessed, and what happens when terms are unenforceable.

Consumer contracts set out the rights and responsibilities of individuals and businesses when buying goods, services or digital content. While many standard terms and conditions are lawful and enforceable, UK consumer protection law prohibits terms that are unfair. An unfair term can be legally unenforceable and may be ignored by courts or regulators. This article explains what makes a contract term unfair under the law in England and Wales, the legal principles involved, typical examples, how the fairness assessment works, and practical implications for consumers.
Introduction to Unfair Contract Terms
A contract term is a clause in the agreement you make with a business (the trader) when purchasing goods, services or digital content. These terms can cover anything from price changes and cancellation charges to liability limits and renewal provisions.
Not all unfavourable terms are unlawful, but UK legislation sets out a fairness standard that consumer contract terms must meet. If a term is unfair, it is not binding on you and may be challenged in court or by regulators such as the Competition and Markets Authority (CMA) or Trading Standards.
The Legal Framework
Consumer Rights Act 2015
The principal law governing unfair contract terms in consumer contracts entered into on or after 1 October 2015 is the Consumer Rights Act 2015 (CRA). Under the CRA's unfair terms provisions:
- A term is unfair if, contrary to the requirement of good faith, it causes a significant imbalance in the rights and obligations between the consumer and the trader to the detriment of the consumer.
- If a term is unfair, it is not enforceable against the consumer.
- The fairness assessment applies to contract terms and consumer notices (e.g., notices in shops).
- Certain core terms such as those describing the main subject matter or price may be exempt from the fairness test if they are transparent and prominent.
Older Contracts and Transitional Rules
For contracts entered before 1 October 2015, the Unfair Terms in Consumer Contracts Regulations 1999 (UTCCRs) may still apply. These used a similar fairness test and remain relevant for historic agreements.
What Makes a Contract Term Unfair?
Key Elements of Unfairness
To determine unfairness, courts and regulators apply the statutory fairness test. This involves considering:
- Good Faith
Terms must be negotiated, drafted and presented in a way that respects the consumer's legitimate interests and does not exploit the consumer's lack of bargaining power. - Significant Imbalance
The term must create a significant imbalance in rights and obligations, favouring the trader and disadvantaging the consumer. - Detriment to the Consumer
The imbalance must work to the consumer's detriment, such as by imposing unfair costs, limiting legal rights or restricting remedies.
The overall question is whether the term in its context is unfair, balancing wording, presentation, and the contract as a whole.
Typical Characteristics of Unfair Terms
Certain types of terms frequently raise fairness concerns because, in practice, they often disadvantage consumers. The following are examples that regulators and courts consider carefully:
1. Unilateral Variation Clauses
Terms that allow the trader to change the price, quality or essential characteristics of the goods or services after the contract was agreed, without a corresponding right for the consumer, may be unfair.
2. Excessive Cancellation or Early Termination Charges
Clauses that impose disproportionately large cancellation fees or automatic loss of prepayments can create unfair financial burdens.
3. Automatic Renewal without Adequate Notice
Renewal terms that extend the contract without giving clear cancellation rights or adequate notice, especially with short opt‑out periods, may be unfair.
4. Hidden or Unclear Terms
Terms that are buried, overly complex or not clearly explained so consumers cannot make informed decisions may fail the good faith and transparency tests.
5. Limitation or Exclusion of Legal Rights
Clauses that seek to limit or exclude liability for core contractual obligations (such as delivering what was promised) or remove statutory consumer protections are suspect.
6. One‑Sided Obligations
Terms that impose obligations only on the consumer, while allowing the trader to avoid corresponding obligations, can be unfair.
These examples are indicative, not exhaustive. Whether a specific clause is unfair depends on the contract's context and the overall balance of rights and obligations.
Core Terms and Transparency
Not all parts of a contract are subject to the fairness test. Terms that define:
- the main subject matter of the contract (what is being bought or provided), and
- the price or calculation of the price,
are generally exempt from assessment for unfairness if they are transparent and prominent in the contract. Transparency requires clear, intelligible language and presentation so the consumer is aware of what they are agreeing to.
How Unfair Terms Are Treated
If a term is found to be unfair:
- It is not binding on the consumer.
- The rest of the contract may still continue in force if it can meaningfully operate without the unfair term.
- Consumers can challenge unfair terms in court or ask enforcement bodies (like the CMA or Trading Standards) to investigate.
Practical Context and Examples
Example 1 – Price Variation
A contract allowing a supplier to increase prices at any time with minimal notice may create a significant imbalance, especially where the consumer cannot exit without penalty. In contrast, clearly stated price review mechanisms linked to recognised indices may be considered fair if transparent.
Example 2 – Cancellation Fees
A gym contract charging a cancellation fee far exceeding a reasonable estimate of loss suffered by the business for early termination could be unfair because it imposes disproportionate costs on the consumer.
Example 3 – Hidden Renewal Terms
A subscription that rolls over automatically with a short notice period buried in small print, making it hard for the consumer to cancel, may be challenged as unfair due to lack of transparency and significant imbalance.
These practical examples illustrate how wording, context and effects on consumer rights influence the fairness assessment.
Key Takeaways
A contract term is considered unfair for consumers in England and Wales when it:
- is contrary to the requirement of good faith;
- causes a significant imbalance between the consumer's and trader's rights and obligations; and
- results in detriment to the consumer.
Typical unfair terms include clauses that allow unilateral variation, impose excessive cancellation charges, automatically renew without adequate rights to cancel, hide important obligations, or unfairly limit legal remedies. The Consumer Rights Act 2015 provides the legal basis for assessing fairness, and unfair terms are not enforceable. Consumers can challenge such terms through legal action or by involving enforcement bodies.