If your VAT quarter ended on 31 August 2026, your return and your payment are both due by 7 October 2026. Filing on time is a well-rehearsed routine once you know the steps — and this guide walks you through all of them: checking your dates, filing under Making Tax Digital, paying HMRC, and what happens if things slip.
Is your VAT return really due on 7 October?
HMRC’s rule is simple: your VAT return must reach them one calendar month and 7 days after the end of your accounting period. For a quarter that ran from 1 June to 31 August 2026, that lands on 7 October 2026 — for the paperwork and the payment alike. Treat the 7th as firm, not flexible.
Not every business shares that date. VAT quarters end on different days depending on when you registered, so if your quarter ended on 30 September 2026 instead, your deadline is 7 November 2026. Not sure which applies? Log in to your HMRC VAT online account to confirm your period dates — or ask your accountant, who should have every date diarised for you.
Filing your return under Making Tax Digital
Virtually all VAT-registered businesses now file under Making Tax Digital (MTD): records kept digitally and returns submitted through compatible software such as Xero, QuickBooks or FreeAgent. If your accountant looks after your bookkeeping, much of this happens behind the scenes — they prepare the figures, sanity-check them and file on your behalf.
If you file yourself, resist the 11:59pm temptation. Submitting a few days early leaves room to fix a rejected return, hunt down a missing receipt or question a figure that looks off — far better than discovering a problem at the deadline itself.
Insight: 7 October is a double deadline — the return and the payment. Filing early doesn’t move the payment date, so as soon as you know your bill, set the money aside. Your future self will be grateful.
Paying HMRC — and what happens if you’re late
Most businesses pay through their HMRC VAT online account or directly through their bank; Direct Debit is the low-effort favourite, though first-time setups need to be in place well before the deadline. Whichever route you choose, allow a few working days for the payment to clear — HMRC counts the date payment arrives, not the date you pressed pay.
If a return goes in late, the points-based system kicks in: every late return earns a penalty point, and once you reach your threshold — four points for most quarterly filers — a £200 penalty lands, with a further £200 for each late return while you’re still at the threshold.
Pay late and the costs stack up differently. There’s no penalty in the first 15 days, but per GOV.UK a first late payment penalty (currently 3% of the VAT owed) can apply between days 16 and 30, and from day 31 there are further penalties plus daily interest until the balance is cleared.
Three quick wins before the deadline
- Reconcile now, not on the 6th. Get every sale and purchase for the quarter into your records before you build the return. Surprises found early are small; surprises found late are penalties.
- Ring-fence the VAT. When you raise sales invoices, sweep the VAT portion into a separate account. The bill arrives every quarter, so the money should be waiting — not borrowed.
- Double-book the reminder. Diary the deadline a week early as well as on the day, and set a second alert for the payment itself.
And if you already know you can’t pay in full, ask HMRC about a Time to Pay arrangement before the deadline rather than after — earlier conversations are easier conversations.
More dates for your October diary
- 1 October — Corporation Tax payments fall due for companies whose accounting period ended on 31 December 2025 (HMRC’s “nine months and one day” rule).
- 5 October — the deadline to register for Self Assessment if you’ve just become self-employed or started earning untaxed income.
- 19 and 22 October — payroll month 6: PAYE and National Insurance payments must reach HMRC by the 22nd electronically (the 19th if you post a cheque). CIS contractors also have a monthly return to file around this time.
- 31 October — final call for paper self-assessment returns for 2025–26. Filing online buys you until 31 January 2027, which is usually the smarter move.
- 7 November — the VAT deadline if your quarter ended 30 September 2026. Yes, you get a breather.
Quick answers
What’s the VAT deadline for the quarter ended 31 August 2026?
7 October 2026. HMRC requires both your return and your payment one calendar month and 7 days after the end of the VAT period.
How do I know when my VAT quarter ends?
Check your VAT registration certificate or log in to your HMRC VAT online account. Your deadline is always one calendar month and 7 days after the period ends — 7 October for an August quarter, 7 November for a September one.
Can I file my VAT return myself?
Yes. You’ll need Making Tax Digital-compatible software and a Government Gateway account. Many owners still prefer their accountant to prepare, check and file — the choice is yours.
What happens if I submit my VAT return late?
You collect a penalty point for each late return. Reach the threshold (four points for quarterly filers) and a £200 penalty applies, with further £200 penalties for each late return while you’re at the threshold.
Can I get more time to pay my VAT bill?
Often, yes. HMRC’s Time to Pay service can spread payments — but ask before the deadline, have your figures ready and stick to the plan. Your accountant can help you prepare the request.
Deadlines are far less daunting when someone else is watching the calendar. Every Taxora client gets a dedicated personal accountant who prepares, checks and files returns like this one — with unlimited support and fixed monthly fees from £9.99. Get in touch or view our services and prices, and let’s make the 7th of every VAT month a non-event.
This article is general information for UK businesses and individuals and is not financial or tax advice. Deadlines and figures are based on GOV.UK guidance at the time of writing — always confirm your own position with a qualified accountant or HMRC.