Do you need a solicitor for a DWP interview under caution?

Author: Prakash Ruparelia, Consultant Solicitor, Welfare Benefits Specialist at Setfords | Read time: 8 minutes | Last updated: 15th July 2026

If you’ve been invited to an Interview Under Caution (IUC), you’re already under criminal investigation by the DWP, your local council, or HMRC. It’s a formal interview under the Police and Criminal Evidence Act 1984 (PACE), and anything you say can be used in court. Here’s what it involves, and what to do before you attend.

Key takeaways 

• An interview under caution means you’re being treated as a criminal suspect, not just asked to clarify your claim.
• Anything you say can be used as evidence, and the interview is governed by PACE 1984.
• Attending is voluntary, but not attending can still lead to prosecution without your side being heard.
• A “compliance interview” can carry similar risks, even though no caution is read.
• Getting legal advice before you speak to investigators, not after, is what protects you.

The short answer 

An Interview Under Caution is a recorded interview conducted because investigators believe you may have committed benefit fraud. You’re read a caution, you’re entitled to legal advice, and you don’t have to attend without a solicitor. 

Attendance is voluntary, but that doesn’t mean it’s low-risk to ignore. If you don’t attend, the DWP may escalate the case or reach a decision without hearing your side. The safest step is to get advice before you respond to the letter at all. 

What is a DWP interview under caution?

At the start of an interview under caution (IUC), you’re read the caution:

“You do not have to say anything, but it may harm your defence if you do not mention, when questioned, something which you later rely on in court. Anything you do say may be given in evidence.”

This tells you three things: 

• You’re being treated as a suspect in a criminal investigation.
• The interview is covered by the PACE 1984 rules.
• Anything you say can be used against you in a prosecution.

Compliance interview or interview under caution: what’s the difference?

You may first be asked to attend a compliance interview. This can feel informal, but it’s often used to gather information ahead of a fraud investigation.

• Compliance interview: notes are taken, no caution is read, but what you say can still be used as evidence later.
• Interview Under Caution: formally recorded, the caution is read, and it’s treated to a criminal standard.

Even a compliance interview can work against you later. Many claimants say something that ends up being used against them, without realising it at the time. Getting legal advice before any contact with investigators is a good idea before attending either type of interview.

Common allegations and evidence 

Cases we see most often involve: 

• Living together allegations, where you’re accused of claiming as single while a partner lives with you.
• Working while claiming, undeclared employment or self-employment.
• Undeclared savings or property, capital above the limit, inherited property, or trust funds.
• Failure to report changes, such as children leaving home, a change in work, or moving house.
• Providing false information, where errors or omissions on forms are treated as dishonesty.

Investigators may already hold surveillance footage, bank statements, credit reference data, or information from a third party such as a neighbour, employer, or ex-partner. 

Speak to Prakash Ruparelia, expert welfare benefits solicitor, for a confidential, no-obligation conversation before you attend your interview.

What to do before you attend 

• Don’t ignore the letter, and don’t panic. Both reactions make things harder to manage.
• Don’t contact investigators to explain yourself before getting advice. Anything said informally can still be used later.
• Speak to a solicitor first. The initial call with Prakash Ruparelia at Setfords is free.
• Gather your paperwork, such as benefit letters, bank statements, and tenancy agreements.
• Write your own timeline of events while it’s fresh in your mind.
• Keep the details between you and your solicitor, and avoid discussing the case on social media.
• Remember you have options at interview, including staying silent or giving a prepared statement.

Common mistakes to avoid 

• Ignoring the letter. It doesn’t make the investigation go away, and it removes your chance to prepare.
• Explaining yourself to investigators before getting advice. This is where most damage happens, often before a solicitor is even involved.
• Discussing the case with others, or online. Anything said elsewhere can resurface during the investigation.
• Attending without any preparation. Even a short call with a solicitor beforehand changes what’s possible at the interview.

Funding your case 

At Setfords, we act on a private basis. Costs are agreed before any work begins, and we’ll talk through fixed-fee options where they apply to your case.

There’s no duty solicitor scheme for DWP or council interviews under caution, so private representation is how you get a solicitor in the room with you. If you’re charged later, criminal legal aid may be available depending on your circumstances, and we’ll advise and refer you where that’s appropriate.

Please note, Setfords does not offer Legal Aid.

When to speak to a solicitor 

Get advice as soon as any of the following apply: 

• You’ve received a letter inviting you to a compliance interview or an interview under caution.
• You’ve had any contact from a DWP, council, or HMRC investigator.
• You’re unsure whether to attend, stay silent, or give a prepared statement.
• You’ve already spoken to investigators and are worried about what you said.

The earlier you speak to us, the more we can do, including requesting disclosure and preparing a strategy before the interview happens.

FAQs 

Do I need a solicitor for an interview under caution?

Attending is voluntary, but the consequences can be serious. A solicitor can advise whether to answer questions, stay silent, or give a prepared statement, and can seek disclosure of the evidence against you beforehand.

How long does an interview under caution last?

Most last one to two hours, though complex cases can run longer or be split across multiple sessions. A solicitor attending with you can manage breaks and make sure questioning stays within the PACE rules.

Can I be interviewed under caution without a solicitor present?

Yes, but it isn’t advisable. You can ask to pause or rearrange the interview so a solicitor can attend, and investigators should allow you reasonable time to get legal advice.

What are my rights during a DWP interview under caution?

You have the right to legal advice, the right to remain silent, the right to breaks, and the right to challenge questioning that’s unfair or oppressive. Your solicitor can help advise you on this.

When should I get legal advice?

As soon as you receive any invitation, notice, or contact from investigators, and before you discuss the case with anyone else, you should contact a solicitor. Early advice gives your solicitor time to seek disclosure and prepare.

What can happen after a DWP interview under caution?

Outcomes can include no further action, an administrative penalty, a caution, an overpayment decision, or prosecution. Early advice often reduces the risk of the case escalating.

About the author

Prakash Ruparelia is a solicitor with over 20 years’ experience in complex welfare benefits disputes and related civil litigation. He can assist with defending clients in interviews under caution, compliance interviews, and linked tribunal appeals.

This article is general information about DWP interviews under caution and benefit fraud investigations in England and Wales, and is not legal advice. The law and processes can change, and every situation is different, so please speak to a solicitor about your circumstances.