UK VAT threshold awareness
Rolling 12 Month VAT Calculator
Use Invatax to monitor the VAT figure that matters: taxable turnover across the latest rolling 12 months.
Why rolling 12 months matters
Many businesses only check annual accounts. HMRC VAT registration rules look at taxable turnover over any rolling 12-month period, so a strong quarter can change your position quickly.
What Invatax calculates
- Your current rolling 12-month VAT turnover
- How much room remains before £90,000
- Whether your recent trend suggests registration risk
- A monthly review prompt to keep figures current
Simple monthly input
Essential users can type one sales figure each month. Connected users can sync sales data from Xero or QuickBooks where available.
Frequently asked questions
How do I calculate rolling 12-month VAT turnover?
Add taxable sales for the latest 12 months. Each new month drops the oldest month and adds the newest month.
What is the current UK VAT registration threshold?
The current UK VAT registration threshold used in Invatax is £90,000. Always check HMRC for current rules before making registration decisions.
Should I include exempt income?
VAT threshold calculations normally use taxable turnover. Some income may be exempt or outside scope, so check with your accountant if unsure.