Legal service
Immigration Detention Solicitors
Immigration detention is custody under immigration powers, rather than a criminal sentence. Its legal basis, purpose and continuing justification need to be examined alongside the person’s health, circumstances and immigration case. Seeking release and challenging the underlying immigration decision are related but separate tasks.
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Why someone may be detained
Immigration legislation provides different detention powers, including powers connected with examination on arrival, removal and deportation. The Home Office should identify the power relied on and the purpose detention is intended to serve.
A person may remain in custody under immigration powers after a criminal sentence ends, but that detention requires its own legal basis. Equally, being detained does not establish that a removal decision is correct or that every possible challenge has ended.
Continued detention must be justified
Home Office policy starts from a presumption in favour of immigration bail and requires consideration of alternatives to detention. Detention must remain within the statutory power and applicable legal and policy limits; it is not justified simply because a person has no immigration permission.
Current legislation gives the Secretary of State a role in assessing what period is reasonably necessary for specified detention purposes, subject to judicial review. Progress towards the stated purpose, barriers to removal, cooperation and the individual circumstances remain important. There is no single release deadline that can safely be applied to every immigration detainee.
Reasons, reviews and vulnerability
The reasons for detention and continued detention should be examined, not just the original decision. Home Office guidance requires periodic reviews and provides for written reasons at least every 28 days for people in immigration removal centres. Review arrangements differ in other detention settings; a review date is not an automatic release date.
The adults-at-risk policy requires consideration of evidence of vulnerability and the risk of harm in detention alongside the immigration factors. Medical evidence, safeguarding concerns and relevant reports should reach the decision-maker. A Rule 35 report in an immigration removal centre can be important, but neither that report nor a diagnosis automatically guarantees release.
- Raise urgent health or safety concerns with healthcare and the relevant staff at the place of detention.
- Keep copies of detention reasons, review decisions and medical evidence where available.
- Explain how detention affects the particular person, including any changes since the last review.
Building a realistic release proposal
A release proposal should address both the reasons for detention and how contact with the authorities would be maintained outside detention. A suitable address, support arrangements and a workable reporting plan may help, but their availability and any restrictions need checking.
The evidence should also explain the immigration case, obstacles to removal, relevant health concerns and any previous compliance difficulties. A financial condition supporter may be helpful in a bail application, but should not be presented as a universal legal requirement.
- Detention paperwork and a chronology of custody, applications and decisions.
- Evidence of accommodation, practical support and medical or care arrangements.
- Any removal directions, travel-document issues or outstanding legal proceedings.
Bail and a challenge to lawfulness
Immigration bail is a route to conditional release. A challenge to the lawfulness of detention asks a different question about the legal basis or continuation of custody. Depending on the facts, both issues may need consideration.
For England and Wales, the government’s immigration judicial review guidance identifies challenges to the lawfulness of detention as matters for the Administrative Court, rather than the usual Upper Tribunal immigration judicial review procedure. The correct remedy and forum require legal assessment. Scotland and Northern Ireland have different court arrangements.
Release does not itself establish that earlier detention was unlawful. A damages claim is a separate matter requiring assessment; compensation should not be assumed.
Practical priorities for an initial assessment
Identify where the person is detained, the latest reasons for detention, any removal date and how they can receive legal communications. Consent and safe communication are particularly important where a relative is seeking help.
A representative may review the detention history, obtain relevant documents and consider release or a legal challenge within an agreed instruction. Funding and availability must be established separately. This page does not promise emergency representation or confirm that Highfin can provide legally aided detention work.
Official guidance
- Urgent circumstances
- An imminent removal, acute health concern or short legal deadline should be clearly identified when seeking advice. An enquiry is not an application for bail or a court order.
- Separate funding assessment
- Legal aid can be available for some immigration and public-law matters, subject to scope and eligibility. Check the specific issue, jurisdiction and authorised provider; private fees are not stated here.
Frequently asked questions
Your questions
Is immigration detention a criminal sentence?
No. Immigration detention relies on immigration powers. Where it follows a criminal sentence, the legal justification for continued custody must be considered separately.
Is there an automatic maximum period for everyone?
No single maximum applies to all immigration detention. The power, statutory restrictions, purpose and individual circumstances must be assessed. A policy review interval is not a guaranteed release date.
Does medical evidence require immediate release?
Medical evidence can be important under the adults-at-risk policy and in a lawfulness assessment, but release is not automatic. The evidence, risk of harm and immigration factors need individual consideration.
Can relatives help with a bail application?
They may assist with documents, accommodation or practical support, subject to consent and the requirements of the application. A supporter should understand any proposed responsibilities before offering them.
Does release mean removal proceedings have ended?
No. Release on immigration bail is conditional and does not decide the underlying immigration case or grant permission to stay.
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