Written byFizza Butool ZaidiIELTS teacher for 10+ years, PTE for 5Updated 30 October 2026
What the official sites say
IDP India: there is no single cut-off date; registration closes once seats fill for a given city and date. IELTS on computer often has more frequent sessions and may stay open closer to the test day, but popular slots fill early, so book as soon as you can (IDP India). Its FAQ says IELTS on computer runs three times a day, seven days a week, and recommends registering in advance to secure your date (IDP India FAQ).
IDP's declaration adds that submitting an application does not guarantee your preferred date or location; your registration is confirmed in writing by the centre (IDP terms).
Lead times to plan around
These are the published notice periods that affect how early you should book.
| Situation | Notice needed | Source |
|---|---|---|
| Access arrangements (extra time, Braille, lip-reading Listening) | At least six weeks before the test | ielts.org |
| Access arrangements at IDP Australia | At least six weeks after documents are submitted and approved; contact the centre before booking | IDP Australia |
| Free date transfer at IDP India | 15 or more days before the test | IDP India |
| Full refund on cancelling at IDP Australia | At least 14 days before the test | IDP Australia |
| Module change at IDP Australia | No later than 48 hours before the test | IDP Australia |
| One Skill Retake | Must be sat within 60 days of the full test | ielts.org |
Know your target? Check where you stand
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Work back from your deadline
Start from the date your university, employer or visa application needs the result. Allow for results (see how long IELTS results take), sending the TRF, and possibly a re-mark, which ielts.org says can take up to 21 days, or a One Skill Retake within 60 days of the test.
Booking early also protects your refund options: the earlier you are, the more of the fee you keep if plans change. Detailed rules are set locally and can differ by country and test centre, so check your booking confirmation or ask your centre if anything here does not match what you were told.
Frequently asked questions
What is the last date to register for IELTS?+
There is no single cut-off. IDP India says registration closes once seats fill for that city and date.
Can I book IELTS for next week?+
Often, if seats are left. IELTS on computer has more sessions, so it may stay open closer to the test day.
How early should I book if I need extra time?+
At least six weeks before the test, so the centre can arrange it.
Is it cheaper to book IELTS early?+
No source mentions early-booking discounts. Booking early keeps more of your fee refundable if you later cancel.
Keep reading
Related
Guide updated on 30 October 2026. Individual prices and policies may have earlier observation dates. Confirm current details on the linked official pages before you book or apply.
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