The foundation of every successful UK Student Visa application is a valid course offer from a licensed institution. The key that unlocks your application is the Confirmation of Acceptance for Studies (CAS). Understanding the rules around your chosen course and CAS is critical to avoid refusal.
Our team of immigration specialists provides expert guidance on these core requirements. We verify that your course is eligible and that your CAS is correctly issued and used, ensuring your application is built on a solid foundation for success.
The Most Important Document: Your Confirmation of Acceptance for Studies (CAS)
Before you can even begin your visa application, you must have a CAS. Think of it as your official invitation to study in the UK.
- What is a CAS? A CAS is a unique digital reference number, not a physical document. It is generated by your university or college (your licensed student sponsor) once you have accepted an unconditional offer to study with them.
- What Does it Prove? It proves to the UK Home Office that you are a genuine student with a confirmed place on an eligible course.
- Crucial Deadline: You must submit your Student Visa application within 6 months of the date your CAS was issued. Failing to do so will result in an invalid application.
We will review your CAS to ensure all details are correct and that it is used within the strict validity period, preventing one of the most common reasons for visa refusal.
Is Your Course Eligible for a UK Student Visa?
Your visa application will only be successful if your course meets the specific requirements set out by UK immigration rules. Our advisors can confirm your eligibility. Permitted courses include:
- Full-time, below degree level: Courses leading to a qualification at RQF level 3, 4, or 5, which must include at least 15 hours of organised daytime study per week.
- Full-time, at degree level or above: Courses leading to a qualification at RQF level 6, 7, or 8 (e.g., a Bachelor’s, Master’s, or PhD).
- Part of an Overseas Course: A full-time UK-based component of a longer higher education course you are studying overseas.
- Part-time, at postgraduate level: Courses leading to a qualification at RQF level 7 or above (e.g., a part-time Master’s or PhD).
- English Language Courses: Standalone English courses at level B2 or higher on the CEFR scale.
- Student Union Sabbatical Officer: You can also apply if you are taking up a full-time, elected position.
A Critical Check: The Academic Technology Approval Scheme (ATAS)
For certain students, an extra security clearance step is required before applying for a visa.
- What is an ATAS certificate? It is a mandatory certificate for students and researchers (at RQF level 7 or above) who will be studying sensitive subjects in fields like science, engineering, and technology.
- Who needs it? If your postgraduate course or research falls into a designated subject area, you must apply for and receive an ATAS certificate before you can submit your Student Visa application.
The ATAS requirement is often overlooked and can cause significant delays. Our team will assess your course to determine if you need an ATAS certificate and guide you through this separate, crucial application process.
Frequently Asked Questions (FAQ) – Your Course and CAS
Q: What is the difference between a conditional and an unconditional offer?
A: A conditional offer means you still need to meet certain requirements (like achieving specific grades or an English language score). An unconditional offer means you have met all the academic and language requirements, and your place is confirmed. You can only get a CAS after your offer is unconditional.
Q: My CAS has an error on it. What should I do?
A: You must contact your university or college immediately. Using a CAS with incorrect information (e.g., a misspelled name or wrong course title) will likely lead to a visa refusal.
Q: Can I get a Student Visa for a part-time Bachelor’s degree?
A: No. Under the current rules, part-time study on a Student Visa is only permitted for courses at the postgraduate level (RQF level 7 or higher).
Secure Your Place in the UK – Get Your Application Right
Mistakes with your course eligibility or CAS can be costly and lead to disappointment. Let our expert advisors review your offer and guide you through the entire Student Visa process.
Contact us today for a consultation to ensure your academic future in the UK is secure.

About the Author:
Farzad Ghods is an international lawyer specialising in UK immigration law. He is regulated by the Solicitors Regulation Authority (SRA) and the Immigration Advisors Authority (IAA) in the United Kingdom, and is also a member of the Iran Bar Association. He brings over fourteen years of professional legal experience to his practice.
