Quarterly Updates Without the Panic: A Sole Trader's MTD for Income Tax Checklist for 2026/27
Photo: Tony Monblat, CC BY-SA 2.0, via Wikimedia Commons
Check the threshold first
Making Tax Digital for Income Tax Self Assessment, usually shortened to MTD for ITSA, became part of the system for many sole traders in April 2026. For 2026/27, it applies to sole traders and landlords with qualifying income above £50,000. Qualifying income is not profit. It is your gross income from self-employment and property, before expenses, added together. If you have £40,000 of freelance receipts and £15,000 of rental income, you are within the £50,000 threshold even if your expenses are substantial.
If you are below the threshold for 2026/27, you are not required to use MTD yet. The thresholds are set to fall in later years, so it is still worth keeping clean digital records now. If you are a limited company, this particular regime does not apply to you. If you are unsure whether HMRC has you in MTD, check your Government Gateway account or ask your accountant.
What digital record-keeping means
Under MTD, you must keep your business records digitally. In practice, that means recording income and expenses as they happen, using compatible software or a spreadsheet linked to compatible software. You need to capture the date, amount and category of each transaction, and keep digital copies of receipts and invoices. Bank statements can be downloaded and reconciled rather than typed up by hand.
This does not have to be complicated. A separate business bank account, a monthly reconciliation habit and a clear list of expense categories will do more for most sole traders than an expensive software package. The point is to have a digital trail that supports each quarterly update.
The quarterly rhythm
MTD does not mean four full tax returns. It means four quarterly updates during the year, followed by a final declaration. Each quarterly update summarises your income and expenses for the period. It is not usually the point at which you pay tax.
For 2026/27, the quarterly deadlines are:
| Quarter | Period ends | Update due |
|---|---|---|
| First | 5 July 2026 | 7 August 2026 |
| Second | 5 October 2026 | 7 November 2026 |
| Third | 5 January 2027 | 7 February 2027 |
| Fourth | 5 April 2027 | 7 May 2027 |
The final declaration for 2026/27 is due by 31 January 2028. Payments on account, if you make them, keep their usual dates. A quarterly update is not a tax payment; it is a data submission.
If you are reading this on 7 November 2026, the second quarterly update is due today. If it is not ready, submit as soon as you can rather than waiting for perfect figures. Reasonable estimates are allowed in quarterly updates, provided you correct them in the final declaration.
A sole trader’s survival checklist
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Confirm your position. Check whether your qualifying income for 2026/27 is above £50,000. If it is, confirm that HMRC has you set up for MTD and that you can access your Government Gateway account.
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Choose software early. Use HMRC-recognised software that supports MTD for ITSA. If you already use MTD-compatible software for VAT, check whether it covers income tax too. A basic package is fine for a simple sole trader; the important features are digital records, quarterly submissions and a clear audit trail.
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Start records on 6 April 2026. If you are catching up, gather bank statements, sales records and expense receipts for the whole period to date. Reconcile them month by month rather than trying to reconstruct a year in one sitting.
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Set up a simple expense system. Use consistent categories, such as stock, travel, office costs, phone and internet, professional fees and bank charges. Keep receipts digitally. Do not claim something unless you have a record to support it.
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Submit each quarterly update. Check the figures against your bank and sales records, submit through your software, and save the submission receipt. Diarise the next deadline immediately.
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Review your tax position mid-year. Quarterly updates are a good prompt to check whether your profits are on track and whether you need to adjust payments on account or set aside more tax.
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Prepare for the final declaration. The final declaration pulls the year together, includes any adjustments, and replaces the old self-employment pages of the tax return. Do not treat the fourth quarterly update as the end of the job.
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Keep records for the usual period. HMRC generally expects records to be kept for at least five years after the 31 January filing deadline, so keep digital copies backed up.
If you are worried about penalties or deadlines
Do not ignore a missed deadline. Submit the update as soon as possible and keep a note of what happened. Late submission penalties under MTD are points-based: each missed quarterly deadline can add a point, and once you reach the threshold, a £200 penalty can apply. Late payment penalties and interest are separate.
HMRC’s published approach for the first year of MTD for ITSA includes a soft landing for late submission penalties on quarterly updates. That is a cushion, not a free pass. Interest can still run on unpaid tax, and persistent missed deadlines can still cause problems. If you have a reasonable excuse, such as illness or bereavement, contact HMRC or your accountant and explain it.
Common myths worth ignoring
MTD is not four tax returns. It is four updates and one final declaration. It does not mean you pay income tax four times a year. It does not remove the need to keep records; it increases the need for good ones. And it is not only for people with accountants. A sole trader with straightforward affairs can manage it with simple software and a monthly routine.
The transition is a change of habit more than a change of tax law. If you start with clean records, a realistic diary and software you understand, 2026/27 is manageable. If you are already behind, the best move is to submit what you can, fix the record-keeping, and speak to HMRC or a professional before small delays become expensive ones.
