Side Hustles | Online Sellers
Side Hustle Tax UK 2026: The £1,000 Rule, What HMRC Sees and What You Actually Owe
Vinted wardrobe clear-outs that turned into a weekly habit. An Etsy shop. Weekend deliveries, a bit of freelancing, dog-sitting through an app. Millions of people in the UK now earn something on the side, and most are not sure whether HMRC needs to know. The good news: the rules are simpler than the scare stories suggest. The bad news: HMRC now gets data directly from the platforms, so guessing wrong is riskier than it used to be.
The short version: your first £1,000 of side hustle income in a tax year is tax free and does not need reporting. Above that, you need to register for Self Assessment. Selling your own old belongings does not count as income at all.
The £1,000 Trading Allowance: How It Actually Works
The trading allowance gives everyone £1,000 of gross trading income per tax year (6 April to 5 April) completely free of income tax, with no need to register or file anything. Three details people miss:
- It is gross income, not profit. If your sales hit £1,001 before any costs, you are over the line and need to register, even if your profit was small.
- It covers all your side hustles combined. £600 from Etsy plus £500 from freelancing is £1,100, over the allowance. It is not £1,000 per activity.
- It is either/or with expenses. If you use the £1,000 allowance, you cannot also deduct actual costs. Once registered, you pick whichever is bigger: the allowance or your real expenses.
Decluttering Is Not a Business
HMRC is clear on this: selling your own second-hand possessions, clothes, old games consoles, the bike in the shed, is not trading, no matter how many items you shift. You bought them to use, not to resell, and you are almost always selling at a loss. No tax, no registration, no return.
You cross into trading when the activity looks like a business: buying items specifically to resell, making things to sell, selling regularly with a profit motive, or providing your time and skills for money. One person selling 60 items of their own outgrown clothing owes nothing; another buying 20 bundles at car boot sales to split and flip on Vinted is trading from the first sale.
One narrow exception for declutterers: a single personal item (or set) sold for more than £6,000 can trigger capital gains tax. That catches jewellery, paintings and collectables, not bin bags of clothes.
Over £1,000: What You Have to Do
- Register for Self Assessment by 5 October following the end of the tax year in which you passed £1,000. Passed it during 2025/26 (ended 5 April 2026)? Register by 5 October 2026.
- File a return by the following 31 January, declaring the income alongside any employment income.
- Pay what is due by the same 31 January.
If this is your first time, our guide to your first tax return for a side hustle walks through registration, records and the return itself step by step.
How Much Tax Will You Actually Pay?
Side hustle profit stacks on top of your other income. If you have a day job using your personal allowance, side hustle profit is typically taxed at 20 per cent (or 40 per cent if you are a higher-rate earner), plus Class 4 National Insurance once profits pass the NI threshold.
A worked example: Sam earns £28,000 in a PAYE job and made £2,400 selling prints on Etsy with about £300 of costs. Using the trading allowance (bigger than the real costs), taxable profit is £1,400. At 20 per cent, the bill is £280. Not nothing, but a long way from the panic figure most people imagine.
HMRC Already Has the Data
Since January 2024, digital platforms have been legally required to report their sellers to HMRC. Pass 30 sales or roughly £1,700 (€2,000) in a calendar year on a platform and your name, gross income and sales count go to HMRC, with the platform reporting each January. HMRC matches this against tax records and sends nudge letters to people who look like undeclared traders. We cover exactly what gets shared, and what to do about it, in what Vinted and eBay report to HMRC.
The £3,000 Change That Is Coming (and What It Does Not Do)
The government has announced that the Self Assessment reporting threshold for trading income will rise from £1,000 to £3,000, expected from the 2027/28 tax year. Two things to understand: it has not happened yet, so the £1,000 rule still applies in 2026/27; and it changes how you report, not what you owe. Income between £1,000 and £3,000 will still be taxable, just declared through a simpler online process instead of a full return.
If You Should Have Registered and Did Not
Failure to notify HMRC of taxable income carries penalties on top of the tax, and they scale with how long it goes on and whether HMRC finds you before you come forward. Coming forward voluntarily, before the nudge letter lands, consistently produces the lightest outcome. If past years are involved, a disclosure can usually be agreed with manageable terms. The worst strategy is waiting.
Vinted seller, three years, sorted for less than she feared
Client R started reselling charity-shop finds on Vinted during lockdown and never thought of it as a business. By the time she came to us she had three years of trading averaging £4,000 a year in sales and a platform-reporting letter from HMRC in her hand.
We registered her, reconstructed her figures from Vinted statements and bank records, claimed her costs properly (stock, postage, packaging), and made a voluntary disclosure for the earlier years. Total tax and penalties came to under £1,100 across all three years, far less than the figures that had kept her awake. She now files annually and runs the shop openly.
Frequently Asked Questions
Do I pay tax on selling my old clothes on Vinted?
No. Selling your own second-hand belongings for less than you paid is not trading and is not taxable, however many items you sell. Tax only becomes a question when you buy or make things to sell on, or provide services for money.
Is the first £1,000 of side hustle income tax free?
Yes. The trading allowance means your first £1,000 of gross trading income in a tax year is tax free and does not need to be reported. It covers all your side hustles combined, not £1,000 per platform.
I earned £1,500 from my side hustle. What now?
You are over the £1,000 allowance, so you need to register for Self Assessment by 5 October following the end of the tax year. You will only pay tax on the part above the allowance (or above your actual expenses if you claim those instead).
Will HMRC actually find out about my side hustle?
Increasingly, yes. Since January 2024 platforms like Vinted, eBay, Etsy, Airbnb, Uber and Deliveroo must report sellers who pass 30 sales or roughly £1,700 in a calendar year directly to HMRC, and HMRC matches that data against tax records.
Side hustle gone past £1,000? Get it sorted properly.
At Your Tax Help Accountants in Stanmore, we register side hustlers with HMRC, file first-time returns and deal with nudge letters for sellers, drivers and creators across London and the UK. Fixed fee, plain English, no judgement about late starts.
Or email info@yourtaxhelp.co.uk | yourtaxhelp.co.uk
General guidance only. Not personal tax advice. Contact us for advice specific to your situation. All figures are for the 2026/27 tax year unless otherwise stated.