Tax & VAT Advice

The VAT threshold is one number you can’t ignore if you own a business in the UK. In short, this is the yearly turnover limit (currently £90,000) that the HMRC says you have to register for Value Added Tax and start charging it on your sales. If you know how the VAT threshold works, you won’t be surprised by bills, fines, or last-minute price changes. This blog will tell you what the VAT threshold is, how to figure it out, when you need to register, and the best ways to plan around it. It doesn’t matter if you’re just starting out or your business is growing quickly; knowing this one rule could have a big impact on your profits. What Is the VAT Threshold? The VAT threshold is the amount of VAT-taxable turnover you can make in any rolling 12-month period before HMRC requires you to register for Value Added Tax.  Put simply, if the total value of goods or services you sell that are subject to VAT goes over this limit, you must register with HMRC and start adding VAT to your prices. For the 2025 tax year, the VAT registration threshold in the UK is £90,000. This isn’t measured by calendar year or tax year it’s a rolling total. That means you look back over the last 12 months at any point in the year, and if your taxable turnover has reached or gone over £90,000, you’ll need to register. How the Rolling 12-Month VAT Threshold Works A lot of people think that HMRC checks the VAT threshold once a year, like they do with your tax return. But that’s not true. You can always look back at your most recent year of sales, not just at the end of the tax year, because the VAT threshold is measured on a rolling 12-month basis. Here’s how it works in 2025: For example, imagine your business makes: Or think about a seasonal business maybe you usually earn around £5,200 per month, but in November and December your sales shoot up to £16,000 a month thanks to Christmas demand. That holiday boom could easily push your rolling 12-month total past £90,000, even if most of the year you were well below it. What Happens When You Cross the VAT Threshold? You usually have 30 days to register for VAT with HMRC after your turnover goes over the VAT threshold. You will have to start adding VAT to your sales and sending in regular VAT returns, usually every three months, starting on the day you register. If you miss the deadline, HMRC can fine you, add interest, and even make you pay VAT that you didn’t collect from your customers. So it’s always best to act quickly. What Counts Towards the VAT Threshold? The VAT threshold is based on your VAT-taxable turnover, not your total income. This means you add up all sales that would have VAT applied if you were registered whether they’re standard-rated at 20%, reduced-rated at 5%, or zero-rated at 0%. For example, if you sell £60,000 worth of standard-rated goods, £20,000 of reduced-rated items, and £10,000 of zero-rated products in a 12-month period, your taxable turnover would be £90,000, hitting the threshold. It doesn’t include VAT-exempt sales, such as most financial services, insurance, or certain types of education. Voluntary Registration Below the Threshold You don’t need to wait until your turnover reaches the £90,000 VAT threshold to register. Many small businesses choose to do it early mainly to claim VAT back on purchases, look more professional to clients, and avoid sudden changes when they pass the limit. Type of Business Annual Turnover Typical Annual Costs (excl. VAT) Why Early Registration Helps Freelance graphic designer £35,000 £8,000 equipment & software Can get back VAT on big costs up front Retail shop £60,000 £25,000 stock purchases Large savings on VAT for stock Consultancy firm £50,000 £5,000 travel & office expenses A professional look for business clients Of course, registering means more work for the government, like filing quarterly VAT returns, keeping records, and changing prices to include VAT. So it’s a good idea to think about the pros and cons before making a decision. The Current VAT Threshold and Past Changes For years VAT threshold stayed at £85,000, until April 2024 when it went up to £90,000 around a 6% rise. In 2025, it’s still £90,000, but that could change in the future depending on things like inflation, government budgets, or even international agreements such as the Northern Ireland Protocol. It’s a good idea to check the number each tax year so you don’t get caught out. Common Mistakes Businesses Make Some business owners only check their turnover once a year, and by then they may have been over the VAT threshold for months, owing backdated VAT to HMRC. Others track the wrong figures, focusing on profit instead of VAT-taxable turnover, which includes UK sales even if they’re made online from abroad. Seasonal peaks can also catch people out a busy Christmas period, a sudden growth spurt, or one big order can easily push turnover past the limit without them realising. Strategies to Stay on Top of the VAT Threshold Staying on top of the VAT threshold isn’t just about avoiding penalties it’s about being prepared so your business runs smoothly. A little forward planning can save you a lot of stress later. Here are some simple ways to keep yourself in control. Track your turnover every month Don’t leave it until the end of the year. Check your sales monthly so you can see exactly where you stand. If you’re getting close to the threshold, you’ll have time to prepare. Use smart accounting tools Modern accounting software can do more than just keep records it can give you alerts when your turnover is approaching the VAT threshold. This makes it easier to act before you go over the limit. Plan ahead for higher sales If business is picking up and you’re going to pass the threshold soon,