The Bench Report

What Are Public Inquiries and How Do They Work? (UK Law)

The Bench Report Season 4 Episode 28

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Public Inquiries are investigations set up by government ministers to respond to events of major public concern or to consider controversial public policy issues. We differentiate between statutory inquiries (governed by the Inquiries Act 2005, with powers to compel evidence) and non-statutory inquiries (which are more flexible but have fewer legal powers). The key objectives of holding an inquiry often include establishing the facts, learning from events, and providing public reassurance and accountability. We also examine the establishment process, the role of core participants, and the production of a final report with recommendations. (98 words)

Key Takeaways

  • Public inquiries are formal investigations established by government ministers to address matters of public concern, such as large-scale loss of life or serious failures in regulation.
  • Statutory inquiries (under the Inquiries Act 2005) have the power to compel witnesses to give evidence and produce documents, but they must follow stricter rules.
  • Non-statutory inquiries lack the power to compel evidence but offer greater flexibility, sometimes allowing victims and bereaved families a more direct role in the proceedings.
  • A public inquiry is not a legal court; it cannot find someone guilty of civil or criminal liability, but the evidence it uncovers can impact future legal proceedings.
  • Ministers must consult widely and consider the benefits versus the costs before deciding to establish an inquiry.
  • A public inquiry may produce interim reports to issue urgent recommendations that cannot wait for the final publication.

Definitions

  • Public Inquiry: An investigation initiated by a government minister to respond to events causing major public concern or to review controversial public policy issues.
  • Statutory Inquiry: An investigation governed by the Inquiries Act 2005, granting the chair specific powers, such as compelling witnesses to attend hearings or provide documents.

Source: Public inquiries
Research Briefing
Published Tuesday, 04 November, 2025

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No outside chatter: source material only taken from Hansard and the Parliament UK website.  

Contains Parliamentary information repurposed under the Open Parliament Licence v3.0....

SPEAKER_01

Hello and welcome again to the Bench Report, where we discuss recent debates and briefings from the benches of the UK Parliament. A new topic every episode. You're listening to Amy and Ivan.

SPEAKER_00

Today we're looking at UK public inquiries, what they are, how they work, and uh some of the big challenges they seem to be facing, all based on recent parliamentary research.

SPEAKER_01

So when something really major happens, a national scandal, a large-scale failure, the government's tool for getting to the bottom of it is the public inquiry.

SPEAKER_00

It's set up by a government minister, but only for events of major public concern.

SPEAKER_01

Aaron Powell And we're talking about very serious issues here.

SPEAKER_00

Absolutely. Things like a large-scale loss of life, or a really serious health and safety crisis, or perhaps a catastrophic failure in regulation. Things that are just too big for any other kind of review.

SPEAKER_01

Aaron Powell That's a key point, isn't it? The guidance for ministers is that they should only set up an inquiry when other options, like a select committee or an independent review, just aren't enough.

SPEAKER_00

And they have to weigh the benefits against the well, the considerable costs and time and money.

SPEAKER_01

What are those benefits considered to be?

SPEAKER_00

Aaron Powell It's about establishing the facts, learning lessons for the future, ensuring accountability, and also providing a kind of catharsis, a sense of reassurance for the public.

SPEAKER_01

Aaron Powell But one thing that often gets confused is their legal power.

SPEAKER_00

The crucial distinction: a public inquiry is not a legal proceeding. You can't find someone guilty or innocent.

SPEAKER_01

So no criminal or civil liability.

SPEAKER_00

None at all. Its job is to find facts and recommend changes. It creates a factual record that other legal actions might then draw on, but that's it.

SPEAKER_01

So how do they operate? The research shows there's a big divide, a core split between two types.

SPEAKER_00

That's right. You have statutory inquiries, which are governed by the Inquiries Act 2005, and then you have non-statutory ones, which are a bit more flexible.

SPEAKER_01

And the main difference is power, isn't it?

SPEAKER_00

It's all about power. A statutory inquiry gives the chair the ability to compel witnesses to give evidence and to produce documents.

SPEAKER_01

Which is huge if you think an organization is trying to hide something.

SPEAKER_00

It's essential. And evidence can be taken under oath, but as you said, they are bound by much stricter rules.

SPEAKER_01

So that's the trade-off. Power for flexibility. What does the flexibility of a non-statutory inquiry give you?

SPEAKER_00

Well, because they lack those compulsory powers, they can be a bit more creative operationally. For instance, victims and bereaved families might be able to address the chair directly or have more freedom to question witnesses themselves.

SPEAKER_01

The Post Office Horizon IT inquiry is a perfect example of this in action, isn't it? It started out as non-statutory.

SPEAKER_00

It did. But it was converted to a statutory inquiry.

SPEAKER_01

Why?

SPEAKER_00

Because the chair realized they needed those compulsory powers. After the subpostmaster's convictions were quashed, it became clear that getting to the truth would require forcing people and organizations to provide evidence and documents they might not have volunteered.

SPEAKER_01

So that shows the system can adapt, and yet there's still a lot of criticism.

SPEAKER_00

Oh yes. Despite that 2005 act, there are some pretty common complaints that come up again and again.

SPEAKER_01

And two seem to really stand out in the parliamentary scrutiny. The first is just the sheer length of time they take.

SPEAKER_00

It's a massive problem. Reports can take years, sometimes decades, when you have urgent recommendations that are needed now.

SPEAKER_01

Is there an example of that?

SPEAKER_00

Really tragic one is the Infective Blood Inquiry. They actually had to issue interim reports in 2022 and 2023.

SPEAKER_01

Just to get things moving.

SPEAKER_00

Exactly. Specifically to make urgent recommendations on compensation. The inquiry itself said that waiting for the final report would have just added to decades-long delays.

SPEAKER_01

And the second major flaw that comes up is implementation. It feels like even when an inquiry finishes, the job isn't done.

SPEAKER_00

You're right. There's this perception that best practice isn't shared between different inquiries, and more critically, there's very little scrutiny on whether the government actually implements the recommendations it accepts.

SPEAKER_01

Which raises the question of whether the whole thing is worthwhile if nothing changes at the end.

SPEAKER_00

And this leads to an important final thought for you to consider. Given this frequent criticism about implementation, should Parliament maybe take on a stronger role, a formal role in monitoring the government's response to an inquiry for several years after the report is published?

SPEAKER_01

As always, find us on social media at bench report UK. Get in touch with any topic important to you. Remember, politics is everyone's business. Take care.

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