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Asylum & Humanitarian Protection

Immigration Bail & Detention

If you, or someone you love, has been detained under immigration powers, time matters and so does good advice. Immigration detention means being held by the Home Office, usually in an immigration removal centre, while your case is decided or your removal is arranged. There is no general fixed time limit on this detention, but it must always be lawful, and there is a presumption in favour of liberty. Immigration bail is release from detention, granted by the Home Office or the First-tier Tribunal, normally with conditions. Bail for immigration detainees can be applied for at any time, and we act quickly to put forward a strong release plan, and where detention has gone on too long or should never have happened, to challenge it as unlawful. We treat every call in confidence and check whether you qualify for Legal Aid.

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What is immigration bail and detention?

Immigration detention is when the Home Office holds a person under immigration powers, usually in an immigration removal centre, while it examines their case or arranges their removal. Immigration bail is release from that detention, granted by the Home Office or the First-tier Tribunal, normally subject to conditions such as reporting or living at a set address.

Detention is meant to be used only where it is necessary, and there is a presumption in favour of liberty. It is not a punishment, and most immigration detainees have not committed any crime. People can be detained at the border, after an immigration decision, during an asylum claim, or while the Home Office tries to remove or deport them.

The single power of immigration bail comes from Schedule 10 to the Immigration Act 2016. The same set of rules applies whether bail is granted by the Home Office or by a judge of the First-tier Tribunal. A strong bail application is well prepared and well evidenced, and that is where the right help makes a real difference.

Who can be detained

People are held under immigration powers in a range of situations. You may need urgent advice if any of the following apply to you or someone close to you.

  • You have been detained on arrival at a port or airport while your right to enter is examined.
  • You have been detained after an immigration decision, for example a refusal or the end of your leave.
  • You are an asylum seeker held in detention while your claim or removal is dealt with.
  • You are detained pending removal or deportation, including after a criminal sentence.
  • You are detained despite being vulnerable, for example as a survivor of torture or trafficking, or due to serious ill health.

Your options for release and challenge

There is usually more than one way to seek release, and sometimes to challenge the detention itself. We advise on the route that gives you the best chance.

Bail from the First-tier Tribunal

You can apply to the First-tier Tribunal on Form B1. The hearing is usually listed within a few working days, often by video link. A judge decides whether to grant bail, with a presumption in favour of liberty, weighing matters such as whether you are likely to keep to your conditions.

Bail from the Home Office

You can also apply to the Home Office for bail at any time. In addition, the Home Office must refer your case to the Tribunal for a bail decision once you have been detained for four months, unless a bail application has already been considered in that time.

Bail conditions and a release plan

Bail is usually granted with conditions, which can include reporting, living at a set address, a financial condition or surety, or electronic monitoring. A clear release plan, with a stable address and any sureties, makes a grant of bail much more likely.

Challenging unlawful detention

Where detention is unlawful, for example because it has gone on longer than is reasonable, a judicial review in the High Court may be possible, based on the Hardial Singh principles or a breach of Home Office policy such as the Adults at Risk policy.

Damages for unlawful detention

If you have already been released and your detention was unlawful, you may be able to bring a claim for damages. We can assess whether your past detention breached the rules and advise on a possible compensation claim.

This area changed recently. Section 12 of the Illegal Migration Act 2023, in force since 28 September 2023, put two of the Hardial Singh principles into statute and made it for the Home Office, rather than the courts, to decide what counts as a reasonable period of detention, with the courts reviewing that assessment. There are also limits on bail, for example where removal directions are set within 21 days, and a repeat bail application within 28 days of a refusal will not normally be heard without a material change of circumstances. The points on this page are a general guide, correct as at June 2026, and are not legal advice on your case.

How we help

  1. 1

    Urgent assessment of the detention

    We look quickly at why you are detained, how long it has lasted, and whether removal is realistically in prospect. From this we advise whether to apply for bail, to challenge the detention, or both.

  2. 2

    Preparing a strong bail application

    We complete the Form B1 application, set out the grounds for your release, and build the release plan, including a stable bail address and any sureties, so the case for bail is as strong as it can be.

  3. 3

    Representing you at the hearing

    We represent you at the bail hearing before the First-tier Tribunal, respond to the Home Office bail summary, and put your case clearly to the judge, addressing the matters the Tribunal must weigh.

  4. 4

    Challenging detention and next steps

    Where appropriate, we challenge unlawful detention by judicial review, and after release we advise on any claim for damages and on the underlying immigration or asylum matter that led to the detention.

What is included in our service

  • An urgent, confidential assessment of the detention
  • Advice on bail, on challenging detention, and on timing
  • Preparation of the Form B1 application and grounds for bail
  • Help with a bail address and sureties
  • Representation at the bail hearing
  • Advice on judicial review and unlawful detention damages

Advice and representation on immigration bail and detention may be within the scope of Legal Aid in England and Wales, and we hold a Legal Aid contract for asylum work. Whether you qualify depends on a financial assessment of your means and the merits of your case, and free legal advice is also available to many people while they are held in an immigration removal centre. We check your eligibility for Legal Aid when you first contact us. Where Legal Aid is not available to you, we explain clearly and in writing what any private fee would be before any work begins. There is no charge to find out where you stand.

Common questions

Immigration bail is release from immigration detention. It can be granted by the Home Office or the First-tier Tribunal under Schedule 10 to the Immigration Act 2016, and is normally subject to conditions, such as reporting to the Home Office, living at a set address, or electronic monitoring. You can be on bail even if you were never detained.

You apply to the First-tier Tribunal using Form B1, or to the Home Office directly. A Tribunal hearing is usually listed within a few working days, often by video link. There is a presumption in favour of granting bail, and a strong application, with a clear release plan, gives immigration detainees the best chance of release.

There is no general fixed time limit on immigration detention in the UK, although there are limits for children and pregnant women. Detention must still be lawful. Under the Hardial Singh principles, you may only be detained for a reasonable period and for the purpose of removal, and not if removal cannot be achieved within a reasonable time.

Bail conditions can include reporting to the Home Office, living at a specified address, a restriction on work or study, a financial condition or surety, and electronic monitoring. Conditions should be the minimum necessary. We can advise on which conditions are likely, and help you put forward a realistic and stable release plan.

You can apply again, but a further application within 28 days of a refusal will not normally be heard unless you can show a material change in your circumstances. We look closely at why bail was refused, work on strengthening the weak points, and advise on the best time to reapply or on other options.

Sometimes, yes. Detention can be challenged by judicial review where it breaches the Hardial Singh principles or Home Office policy, such as the Adults at Risk policy. Recent law has changed how the courts review what is a reasonable period. If you have been released, you may also be able to claim damages for any unlawful detention.

Often, yes. Advice and representation on bail and detention may be within the scope of Legal Aid in England and Wales, and we hold a Legal Aid contract for asylum work. Whether you qualify depends on your means and the merits of your case. We check your eligibility when you first contact us, at no charge to you.

Last updated: June 2026.