Self-Employed Tax Rates 2026/27: What You Actually Pay
Self-employed tax rates for 2026/27: no single rate exists — Income Tax and Class 4 NI both land on the same profit. Combined totals, and the 62p band.
Started working for yourself in 2025/26? Register for Self Assessment by Monday 5 October.New to self-employment in 2025/26? Register with HMRC by 5 October. See what to do
Self-employed tax rates for 2026/27: no single rate exists — Income Tax and Class 4 NI both land on the same profit. Combined totals, and the 62p band.
Earn under £1,000 from a side project and you usually need not tell HMRC at all. Over it, you choose between the allowance and expenses — which wins?
UK Self Assessment penalties explained. £100 at one day late, £900 at three months, then £300 twice more — £1,600 in total even on a zero tax bill.
What Xero is, how it works day to day, what it costs from 1 September 2026 — and the three groups of UK freelancers who should not buy it.
Self-employed National Insurance for 2026/27: earn £7,105 or more and Class 2 is free. Earn less and protecting your record costs £189.80 a year.
Xero’s UK price increase, from 1 September 2026: the exact new prices for every plan, why Ignite rises the most, and how to avoid paying more.
A £300 day rate sounds like £78,000. After holiday, sick days and the unpaid quarter of your time, it is nearer £49,500 — before tax. Price for that.
Starling, Monzo, Mettle and Tide compared for sole traders — including what each free plan limits, like Tide’s five transfers a month.
A UK invoice must carry a unique number, both dates, and — for sole traders — your own name and a legal-documents address. What is required, what just helps.
Late payment interest runs at 11.75% plus £40, £70 or £100 per invoice, automatically — no contract clause needed. What it comes to, and what gets you paid.
A Self Assessment bill over £1,000 means HMRC asks for it plus half again in advance — both on 31 January. How payments on account actually work.
The mileage rate rose from 45p to 55p in April 2026 and most guides have not caught up. What sole traders can claim, and the mistakes that cost money.