The relationship between the judiciary and Parliament in the United Kingdom is a cornerstone of the constitution, defined by the principle of parliamentary supremacy. This principle dictates that Parliament has the power to make or unmake any law, and that no other body, including the courts, can override its legislation. A primary area where this relationship is tested is statutory interpretation, the judicial process of giving meaning to the words in an Act of Parliament. The statement that the Human Rights Act 1998 (HRA) has fundamentally altered this process, moving it away from a position of deference to Parliament, is a significant constitutional claim. This essay will describe the methods of statutory interpretation used by judges before the HRA, analysing how they respected parliamentary supremacy. It will then explain the new interpretive obligations introduced by the HRA 1998, before comparing the two approaches to evaluate whether the HRA has diminished the respect shown to Parliament’s legislative supremacy.
Before the HRA 1998 came into force, judges employed several rules and presumptions to interpret statutes, all of which were largely focused on discerning and applying the intention of Parliament. The most traditional of these was the literal rule, which required judges to give words their plain, ordinary, and literal meaning, regardless of the consequences. In *Whitely v Chappell* (1868) LR 4 QB 147, a defendant who impersonated a dead person to vote was acquitted because a dead person is not, literally, ‘entitled to vote’. While this outcome was absurd, it demonstrated a strict adherence to the words Parliament had chosen, showing immense deference to the legislative text. To temper such absurdities, the golden rule was developed. This allowed judges to depart from the literal meaning if it would lead to an absurd result, as seen in *Re Sigsworth* [1935] Ch 89, where a son who murdered his mother was prevented from inheriting her estate, despite the clear wording of the Administration of Estates Act 1925. However, this was a limited power, used only to correct perceived drafting errors rather than to challenge the policy of the Act. The mischief rule, originating from *Heydon’s Case* (1584) 76 ER 637, represented a more purposive approach, instructing judges to consider the ‘mischief and defect’ that the statute was designed to remedy. This allowed for greater judicial flexibility but was still framed as an exercise in finding Parliament’s purpose. The overarching goal remained the faithful implementation of parliamentary will, a principle reinforced in *Pepper v Hart* [1993] AC 593, which, while allowing limited reference to Hansard, did so only to clarify Parliament’s intention when the statutory language was ambiguous. These pre-HRA approaches, while varied, were united by a common objective: to act as Parliament’s faithful servants, interpreting legislation in a way that upheld its supremacy.
The HRA 1998 introduced a new and radical tool of statutory interpretation that changed the focus of the judicial task. Section 3(1) of the Act places an obligation on the courts: “So far as it is possible to do so, primary legislation and subordinate legislation must be read and given effect in a way which is compatible with the Convention rights.” This is not merely a guide to interpretation but a mandatory requirement to strive for a rights-compliant meaning. The power of this provision was demonstrated in *R v A (No 2)* [2001] UKHL 25, concerning the admissibility of a complainant’s sexual history in a rape trial under the Youth Justice and Criminal Evidence Act 1999. The House of Lords used section 3 to read into the Act provisions that were not expressly there, in order to protect the defendant’s right to a fair trial under Article 6 of the European Convention on Human Rights (ECHR). Lord Steyn argued that section 3 was a powerful tool that could even require a court to depart from the unambiguous intention of Parliament at the time the law was enacted. This approach seems to move far beyond simply finding Parliament’s intent, and instead involves modifying the meaning of a statute to align with an external set of values, namely the ECHR.
This interpretative approach was further clarified in *Ghaidan v Godin-Mendoza* [2004] UKHL 30. The case concerned the Rent Act 1977, which allowed a surviving spouse to inherit a statutory tenancy. The House of Lords had previously held that this did not apply to the survivor of a same-sex couple. However, in *Ghaidan*, the Law Lords used section 3 to reinterpret the phrase “living with the deceased as his or her wife or husband” to include same-sex partners. Lord Nicholls explained that section 3 gives the court power to ‘read in’ or ‘read down’ words to change the meaning of legislation and that the test was whether the interpretation went against the ‘grain’ or ‘fundamental feature’ of the statute. This shows a significant shift; the judicial task is no longer just to identify Parliament’s intention, but to actively work to make legislation compatible with human rights, stretching the meaning of words far beyond their ordinary sense if necessary. This has led critics to argue that judges are engaging in a form of judicial legislation, thereby undermining the separation of powers and challenging parliamentary supremacy.
However, the HRA contains a crucial mechanism that arguably preserves the ultimate authority of Parliament. Section 4 allows senior courts, when it is impossible to find a compatible interpretation under section 3, to issue a “declaration of incompatibility”. This declaration does not invalidate the statute or affect its continued operation (*Bellinger v Bellinger* [2003] UKHL 21). It is a formal signal to Parliament that a particular law violates Convention rights. The power to amend or repeal the incompatible legislation rests solely with Parliament, which can choose to act on the declaration or to ignore it. This was confirmed in *R (Anderson) v Secretary of State for the Home Department* [2002] UKHL 46, where the House of Lords declared that the Home Secretary’s power to set tariffs for mandatory life sentences was incompatible with Article 6. This did not strike the provision from the statute books; it instead prompted Parliament to pass the Criminal Justice Act 2003 to rectify the issue. Proponents of the HRA argue that this creates a respectful ‘dialogue’ between the judiciary and Parliament. The courts identify a rights issue, but the sovereign Parliament has the final say on how, or if, it should be resolved. On this view, the HRA does not destroy parliamentary supremacy but reorganises the constitutional relationship into a partnership aimed at protecting human rights.
In comparing the pre and post-HRA eras, it is clear that judges have been given a new and different way to think about interpretation. The traditional approaches were retrospective, seeking to discover what Parliament meant in the past. The HRA, through section 3, requires a prospective and normative approach, seeking to make legislation work in a rights-compatible way for the future. The assertion that previous approaches had “much more respect” for parliamentary supremacy is therefore understandable. The literal rule, for example, is an act of almost complete deference. In contrast, the interpretive gymnastics sometimes seen under section 3, such as in *R v A (No 2)*, can appear to be a direct challenge to the legislative text that Parliament enacted. However, this view is arguably too simplistic. The structure of the HRA, with the section 4 declaration as a safety net, ensures that the constitutional hierarchy is maintained. The judiciary can strain the meaning of words, but it cannot defy a clear legislative command that is impossible to read compatibly. In such cases, the courts must defer, declare, and leave the ultimate decision to Parliament. This preserves the core of parliamentary sovereignty.
In conclusion, the Human Rights Act 1998 has undeniably prompted a significant evolution in the way judges approach statutory interpretation. The duty under section 3 requires a far more creative and purposive method than the traditional rules, focusing on compatibility with Convention rights rather than solely on the historical intention of Parliament. This has led to interpretations that stretch statutory language in ways that would have been unthinkable before 2000. In this sense, the statement that pre-HRA approaches showed more respect for the letter of Parliament’s law is correct. Yet, the claim that this amounts to a wholesale disrespect for parliamentary supremacy is an overstatement. The constitutional architecture of the HRA, particularly the role of the section 4 declaration of incompatibility, ensures that the final political and legislative authority remains with Parliament. It has changed the relationship from one of simple judicial subservience to a more complex constitutional dialogue, but it has not overthrown the fundamental principle of parliamentary supremacy.
References
- Elliott, M. and Thomas, R. (2020) Public Law. 4th edn. Oxford University Press.
- Bellinger v Bellinger [2003] UKHL 21.
- Ghaidan v Godin-Mendoza [2004] UKHL 30.
- Heydon’s Case (1584) 76 ER 637.
- Human Rights Act 1998.
- Pepper v Hart [1993] AC 593.
- R (Anderson) v Secretary of State for the Home Department [2002] UKHL 46.
- R v A (No 2) [2001] UKHL 25.
- Re Sigsworth [1935] Ch 89.
- Whitely v Chappell (1868) LR 4 QB 147.
