The 7 August MTD Deadline: What 864,000 Sole Traders and Landlords Must Send HMRC

Updated 2026-06-11 · MTD Survival Kit team

On 7 August 2026, around 864,000 UK sole traders and landlords face something that has never existed before: a mandatory quarterly tax submission. It's the first deadline of the Making Tax Digital era — and because it's the first, it's the one most people will fumble.

Here's exactly what's due, who owes it, and how to be done with it in minutes rather than days.

Who must submit by 7 August

You're in the first MTD wave if your combined gross income from self-employment and property was over £50,000 on your 2024/25 Self Assessment return. HMRC has been writing to affected taxpayers since spring.

If that's you, your first quarterly update — covering 6 April to 5 July 2026 — is due by 7 August. Sole trader and landlord? That's two updates, one per income source.

(Under £50k? Your turn comes April 2027 at £30k, April 2028 at £20k. Check your date with our free 2-Minute MTD Checker.)

What a quarterly update actually is

Less than most people fear. Your software (or bridging tool reading your spreadsheet) sends HMRC the totals of your digital records for the period, sorted into HMRC's official categories — turnover, cost of goods, travel, office costs and so on. That's it.

No tax calculation. No accounting adjustments. No payment — your tax payment dates haven't changed. HMRC doesn't even see individual transactions, only category totals.

What it does require is that your records exist, digitally, in the right categories. That's the real work — and the real deadline pressure if you haven't started.

The three traps in the first quarter

Trap 1: no digital records to total. If April–July lives in your head, a drawer of receipts, or an untyped diary, you can't generate an update. Reconstructing a quarter takes an evening now; reconstructing three the night before a return takes a week.

Trap 2: wrong categories. HMRC requires specific categories (13 of them for self-employed expenses). Free-form spreadsheets need re-sorting before they can submit. A spreadsheet that's mapped to the official categories from day one — like the one in the MTD Survival Kit — removes this step entirely.

Trap 3: no submission route. Updates can't be typed into the HMRC website. You need MTD-compatible software or a bridging tool (some are free: AbraTax, Clear Books Free), authorised against your Government Gateway account. Authorisation takes minutes but don't discover it at 11pm on 6 August.

"But there's a grace period, right?"

Yes — and it's narrower than the headline. For the April 2026 cohort, HMRC won't issue penalty points for late quarterly updates in the first 12 months. But:

• Late tax returns still earn points and penalties as normal.
• Every quarterly update must still be submitted before you can file that return — lateness is forgiven, skipping is not.
• From August 2027, every late update earns a point, and 4 points = £200, repeating.

The grace period is a chance to build the habit without cost — not a year off.

The 7 August checklist

• [ ] Confirm you're in scope (over £50k qualifying income on 2024/25)
• [ ] Digital records exist for every income and expense item, 6 April – 5 July
• [ ] Each item is in an official HMRC category
• [ ] Bridging tool or software chosen and authorised with Government Gateway
• [ ] Update submitted — once per income source — by 7 August
• [ ] Confirmation saved; tax estimate noted; money set aside

One hour, if your records are in shape. The MTD Survival Kit (£19) gives you the pre-mapped spreadsheet, plain-English guide and quarterly routine to make every deadline after this one boring.

And then it repeats: 7 November, 7 February, 7 May. Put all four in your calendar today.

Educational content, not tax advice. Sources: gov.uk MTD for Income Tax manual; HMRC quarterly update direction (2026). Complex situation? Speak to a qualified accountant.