The higher rate (40%) income tax threshold is £50,270 in 2025/26. That's been frozen since 2021/22 — and it's dragging more earners into 40% tax each year. Here's exactly what it means for your pay.
Pay 40% tax in England or 42% in Scotland? This guide covers every relief available to higher-rate taxpayers in 2026/27 — pensions, ISAs, Gift Aid, EIS and the £100k trap.
HMRC charges Bank Rate + 2.5% interest on unpaid tax in 2026/27 — currently 6.75%. A £5,000 unpaid tax bill costs £338 in interest after a year, on top of any penalties.
HMRC now receives annual income data from Airbnb, eBay, Etsy, Fiverr, Vinted and Uber. Here's what to do if you sell online or work a side gig.
MTD ITSA launches April 2026 for income over £50,000. What it means, the new quarterly updates requirement, compatible software, and what happens if you're not ready.
Northern Ireland taxpayers pay the same income tax and National Insurance rates as England and Wales — not Scottish rates. However, domestic rates replace Council Tax, stamp duty is SDLT (not LBTT or LTT), and some devolved taxes differ. Here's exactly what applies.
If your total pension contributions exceed £60,000 in 2026/27 you face an Annual Allowance Charge at your marginal rate. Here's how the charge works, how to use carry forward to eliminate it, and when Scheme Pays applies.
What happens after you submit your UK self assessment return: how to get a refund, how to correct mistakes, what to do if HMRC opens an inquiry, and your rights.
Which expenses you can claim against self-employment income on your UK tax return: AMAP mileage, WFH flat rate, equipment, training, marketing and more — with examples of what HMRC allows and disallows.
The most common self assessment questions answered: missed deadline, HMRC notice to file, closing your account, moving abroad, inheritance, crypto, side hustles and more.
Step-by-step walkthrough of completing the online self assessment SA100 form in 2026: every section, which supplementary pages you need, and how to check before submitting.
Which boxes to fill in for each income type on your self assessment return: employment (P60/P11D), rental (SA105), dividends (SA101), CGT (SA108) and foreign income.
