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Immigration Law: UK Visa Routes & Asylum

A comprehensive guide to UK immigration law for students, covering the points-based system, asylum claims, human rights, and the Nationality and Borders Act 2022.

16 min read Free GuideBy The Law TutorsUpdated 2026-02-15

UK immigration law is a dynamic and complex area, shaped by domestic legislation, international obligations, and political change. For law students, understanding its core principles is crucial, particularly with the significant reforms introduced in recent years. This guide explores the UK's points-based immigration system, the framework for asylum and human rights claims, and the impact of the controversial Nationality and Borders Act 2022.

💡 Key Takeaway

The UK's immigration landscape is now primarily governed by a points-based system which prioritises skills and economic contribution. This co-exists with a separate, and increasingly stringent, system for asylum and humanitarian protection, heavily modified by the Illegal Migration Act 2023 and the principles established in the Nationality and Borders Act 2022.

The UK's Points-Based Immigration System

Following its departure from the European Union, the UK implemented a points-based system (PBS) for most work and study visas. The objective is to attract individuals who meet specific criteria, such as skills, salary, and language proficiency. The primary legislation governing this is the Immigration Act 1971, though heavily amended.

Key Visa Routes

The PBS is comprised of several routes, the most common being:

  • Skilled Worker Visa: Requires a job offer from a licensed sponsor, a minimum skill level (RQF Level 3), and a salary threshold. Applicants must score 70 points.
  • Health and Care Worker Visa: A subset of the Skilled Worker route for eligible health professionals, with lower fees and a faster process.
  • Student Visa: For individuals who have an offer from a licensed student sponsor.
  • Global Talent Visa: For leaders or potential leaders in academia, research, arts and culture, or digital technology.

The case of R (on the application of New London College Ltd) v Secretary of State for the Home Department [2013] UKSC 51 is a key authority on the duties of sponsors within the PBS.


Asylum and Humanitarian Protection

The UK's obligations to protect refugees are based on the 1951 Refugee Convention. An asylum seeker is someone who has applied for protection but whose claim has not yet been determined. The leading case defining "refugee" remains R v Secretary of State for the Home Department, ex parte Sivakumaran [1988] AC 958.

The Asylum Claim Process

The process involves a screening interview, followed by a substantive asylum interview. The Home Office assesses whether the applicant has a "well-founded fear of being persecuted for reasons of race, religion, nationality, membership of a particular social group or political opinion." The standard of proof is "a reasonable degree of likelihood" or "real risk," as established in R (on the application of G) v Immigration Appeal Tribunal [2004] EWCA Civ 1731.

In R (on the application of EM (Eritrea)) v Secretary of State for the Home Department [2014] UKSC 12, the Supreme Court provided crucial guidance on assessing the credibility of asylum seekers, stating that decision-makers must consider the applicant's account in the context of all available evidence.

⚠️ Common Mistake

Do not confuse an "asylum seeker" with a "refugee." An individual is an asylum seeker while their claim is pending. They only become a refugee once the Home Office or an immigration tribunal formally recognises them as meeting the criteria of the 1951 Convention.


Human Rights Challenges in Immigration

The Human Rights Act 1998 incorporates the European Convention on Human Rights (ECHR) into UK law, providing a vital avenue for challenging immigration decisions. The most frequently invoked articles are Article 3 (prohibition of torture) and Article 8 (right to private and family life).

Article 8 ECHR: Right to Private and Family Life

Article 8 claims are common in deportation and removal cases. The courts must balance the individual's rights against the state's interest in maintaining immigration control. The case of Hesham Ali (Iraq) v Secretary of State for the Home Department [2016] UKSC 60 set out the structured approach courts must take when considering the public interest in deporting foreign criminals.

ArticleRightKey Immigration Context
Article 3Prohibition of torture, inhuman or degrading treatmentPrevents removal to a country where there is a real risk of such treatment (Soering v UK [1989] 11 EHRR 439).
Article 8Right to respect for private and family lifeUsed to challenge removal/deportation based on family ties in the UK (Chikwamba v Secretary of State for the Home Department [2008] UKHL 40).
Article 6Right to a fair trialEnsures access to a fair and public hearing by an independent and impartial tribunal in immigration appeals.

The Nationality and Borders Act 2022

This Act introduced significant and controversial changes to the UK asylum system. Its stated aims were to deter illegal entry and speed up the removal of those with no right to be in the UK. A key provision is the differential treatment of refugees based on their method of arrival.

Differential Treatment of Refugees

The Act creates two groups of refugees: Group 1 (those who come directly, are granted leave to remain) and Group 2 (those who arrive via an irregular route, who may be granted only temporary protection and have limited rights). This has been heavily criticised by the UNHCR as potentially breaching the 1951 Convention. The legality of these provisions was challenged in R (on the application of NB) v Secretary of State for the Home Department [2021] EWHC 1489 (Admin), although this case predated the final Act.

📝 Exam Tip

When analysing a problem question on asylum, always check the claimant's method of arrival. Under the Nationality and Borders Act 2022, this is now a critical factor in determining the type of leave they may be granted. Be prepared to discuss the compatibility of this two-tier system with the UK's international obligations.


Frequently Asked Questions (FAQ)

What is the difference between the Skilled Worker visa and the old Tier 2 visa?

The Skilled Worker visa replaced the Tier 2 (General) visa. Key changes include the removal of the Resident Labour Market Test (RLMT), the lowering of the minimum skill level from RQF Level 6 to RQF Level 3, and the abolition of the annual cap on the number of visas.

Can an individual claim asylum from within the UK?

Yes. An asylum claim must be made from within the UK or at a UK port of entry. It is not possible to apply for asylum from outside the UK. However, the method of arrival can now impact the outcome of the claim.

What is the "public interest" in deportation cases?

The "public interest" refers to the government's legitimate aim of preventing disorder and crime by deporting foreign nationals who have committed serious offences. The Immigration Act 2014, section 117C, sets out the public interest considerations that courts must weigh against an individual's Article 8 rights.

Does the UK still have to follow EU law in immigration?

Since Brexit, the principle of free movement for EU citizens has ended. EU citizens arriving in the UK now need to comply with the same points-based system as non-EU citizens, unless they have status under the EU Settlement Scheme. However, retained EU case law can still be relevant in interpreting certain legal principles.

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