What is the 30 sales rule
From 1 January 2024, every major digital marketplace must report a seller to HMRC once the seller hits either of two thresholds in a calendar year:
- 30 or more sales of goods or services in the year — regardless of how much money you made; or
- about €2,000 or roughly £1,700 (the exact £ figure moves with the exchange rate) in total payments received.
Cross either line and the platform sends HMRC your details, your total sales, fees, commissions and VAT. It is a reporting threshold, not a tax threshold: hitting 30 sales of your old clothes does not create a tax bill, and staying under €2,000 does not make trading income tax free. What you owe still depends on whether you are trading and whether your profit passes the £1,000 trading allowance.
Vinted, eBay, Etsy, Depop, Amazon, Airbnb and Uber all fall under these rules. Payments made through a private sale (cash in hand, or PayPal friends and family outside the platform) are not reported — but the tax rules on that income are unchanged.
What happens if I go over €2,000
Going over the €2,000 / 30 sales threshold triggers one thing: the platform reports you to HMRC. The platform does not charge you tax, withhold anything, or close your account. Here is the practical sequence:
- 1The platform collects and sends HMRC your seller data — usually by 31 January of the following year.
- 2HMRC may cross-check the reported totals against your tax record. If you have no Self Assessment registration and the totals suggest trading, expect a letter — often called a "nudge letter" — asking you to declare the income.
- 3If you are trading and your gross income is over £1,000 for the 2026/27 tax year, you should register for Self Assessment by 5 October 2026 and file by 31 January 2028.
Because HMRC now sees your gross sales, the numbers on your tax return should match what the platform reported. Deliberately declaring less than a figure HMRC already holds is one of the fastest ways to attract an enquiry — and penalties for undeclared income start at a percentage of the tax owed and climb sharply for deliberate concealment.
Do I need to pay tax if I sell at a loss
Usually no. There are two very different situations:
Selling your own belongings
Clearing your wardrobe, selling an old phone or offloading a bicycle you no longer use is not trading — these are personal possessions ("chattels") you bought for yourself. Even if HMRC receives a report, there is normally no tax to pay and nothing to declare, because you sold for less than you originally paid. There is no such thing as a taxable "wardrobe gain" under the platform rules.
Trading at a loss
If you are trading (buying to resell, making things) and your costs exceed your sales, your taxable profit is zero — so there is no Income Tax or Class 4 NI to pay for that year. You may still need to register if gross income passed £1,000, and the trading loss can usually be carried forward against future profits.
The trap to avoid: "loss" means costs versus takings, not just one bad month. If you took £4,200 and spent £1,800 on stock and fees, you made a £2,400 profit — even if individual items sold for less than you paid for them.
Trading Allowance vs Actual Expenses
Once HMRC can see your gross sales, choosing the right deduction matters more than ever. You can claim the flat £1,000 trading allowance or your actual expenses — never both. Here is the same seller worked out both ways:
Worked example
£4,200 gross sales, £1,800 expenses — which method is better?
| £1,000 Trading Allowance | Actual expenses | |
|---|---|---|
| Gross sales | £4,200 | £4,200 |
| Deduction you claim | £1,000 | £1,800 |
| Taxable profit | £3,200 | £2,400 |
| Income Tax + Class 4 NI due | £832 | £624 |
With £1,800 of real expenses, claiming actual expenses saves £208 of tax and NI.
You can only use one method per tax year — not both. Pick the bigger deduction: the flat £1,000 if your costs are small, or your actual expenses if they add up to more.
Rule of thumb: if your real costs are under £1,000, take the trading allowance and keep the paperwork light. If your costs exceed £1,000, claim actual expenses instead — you will need receipts, but the saving grows with every pound of cost above £1,000.