UK student visa · CAS
UK CAS Letter Explained: How to Get Your CAS
The Confirmation of Acceptance for Studies (CAS) is the electronic reference your UK university issues once you've met all offer conditions. You can't apply for the UK Student visa without it.
- Issued after an unconditional offer
- Deposit and funds checks first
- Valid for one application
- Apply within 6 months
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Quick answer
UK CAS Letter Explained: How to Get Your CAS
A CAS is a unique reference number issued by a licensed UK student sponsor (your university) after you accept an unconditional offer, usually pay a deposit, and pass its checks (sometimes including a credibility interview). It confirms your course, fees and dates. Use it within 6 months to apply for the Student visa. You can apply up to 6 months before your course starts if applying from outside the UK.
Official sources: GOV.UK — Student visa
CAS at a glance
- Issued by
- Your UK university (licensed student sponsor)
- When
- After an unconditional offer, deposit and the university's checks
- Validity
- Use it to apply within 6 months of issue
- Earliest visa application
- Up to 6 months before the course start (from outside the UK)
- Contains
- CAS number, course, dates, fees, fees paid, English level, ATAS if needed
Steps
From offer to CAS
- 01
Meet offer conditions
Submit final transcripts, English test results and any missing documents.
- 02
Pay the deposit
Most universities require a tuition deposit before issuing a CAS.
- 03
Pre-CAS checks
Funds evidence, academic documents and often a short credibility interview.
- 04
Check the CAS draft
Name, passport number, course and fees must be correct.
- 05
Apply for the visa
Use the CAS number on the UKVI application, then attend biometrics at VFS.
Funds
Funds to show with your CAS
Funds must be held for 28 consecutive days, with the statement dated within 31 days of applying.
FAQs
Frequently asked questions
Still have a question?
Ask a counsellor directly — we reply on WhatsApp during working hours (Mon–Sat, 9 AM–6 PM IST).
Usually 1–3 weeks after you meet all conditions and pay the deposit; longer in peak season.
A CAS is generally used once. If refused, you usually need a new CAS from the university.
Questions about your course, university choice, funding and plans. See our credibility interview guide.
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