Calculate VAT and
Flat Rate savings.
UK VAT calculator for 2024/25 and 2025/26. Add or remove VAT at 20%, 5%, or 0%. Compare Standard Rate vs Flat Rate Scheme.
Purchases where you paid VAT and can reclaim it
Below VAT threshold
£90,000 below the £90,000 threshold
Standard Scheme
Output VAT (charged)
£0.00
Less: Input VAT (reclaimed)
-£0.00
VAT due to HMRC
£0.00
Flat Rate Scheme
Flat rate applied
12.0% on VAT-inclusive turnover
VAT due to HMRC
£0.00
Standard Scheme saves you £0/year
Standard Scheme is better when your VATable purchases are high relative to turnover.
The Flat Rate Scheme simplifies VAT returns but you cannot reclaim VAT on most purchases (except capital assets over £2,000).
- Value Added Tax (VAT)
- A consumption tax charged on most goods and services sold in the UK. VAT-registered businesses charge VAT to customers, reclaim VAT on their purchases, and pay the net difference to HMRC, typically quarterly.
Do You Need to Register for VAT?
You must register for VAT if your taxable turnover exceeds £90,000 in any rolling 12-month period. This is not based on the calendar year or tax year: HMRC looks at any consecutive 12-month window. If at the end of any month your total taxable turnover for the previous 12 months exceeds the threshold, you must register within 30 days.
Late registration carries penalties. HMRC can backdate your registration to the date you should have registered, meaning you owe VAT on sales you already made, without having charged your customers. Voluntary registration below the threshold can be advantageous if most of your clients are VAT-registered businesses, as they can reclaim the VAT you charge and you can reclaim VAT on your own purchases.
Standard VAT vs Flat Rate Scheme: Which Saves More?
Under the Standard VAT Scheme, you charge 20% VAT on your sales (output VAT) and reclaim 20% VAT on business purchases (input VAT). You pay HMRC the difference. This works well when your business has significant input costs: purchasing stock, materials, equipment, or subcontractor services where you pay VAT.
The Flat Rate Scheme (FRS) simplifies everything. Instead of tracking input VAT on every purchase, you pay a fixed percentage of your gross (VAT-inclusive) turnover to HMRC. The percentage depends on your industry sector. You still charge customers 20% VAT, but you keep the difference between what you collect and what you pay under FRS. This tends to benefit businesses with low input costs, such as consultants, freelancers, and service-based businesses.
| Industry Sector | FRS Flat Rate % |
|---|---|
| IT and Software | 14.5% |
| Management Consulting | 14% |
| PR and Marketing | 11% |
| Retail (general) | 7.5% |
| Restaurants / Catering | 12.5% |
| Building and Construction | 9.5% |
What VAT Can You Reclaim?
Under the Standard Scheme, you can reclaim VAT (input tax) on most goods and services purchased for business use. This includes office supplies, equipment, professional services, raw materials, and subcontractor invoices. However, several categories are blocked from VAT recovery.
You cannot reclaim VAT on cars (unless used exclusively for business), business entertainment (meals and drinks for clients), or goods bought for personal use. If your business makes both taxable and exempt supplies, partial exemption rules apply: you can only reclaim a proportion of your input VAT based on the ratio of taxable to total supplies.
Making Tax Digital for VAT
MTD for VAT is already mandatory for all VAT-registered businesses, regardless of turnover. Since April 2022, every VAT-registered business must keep digital records using MTD-compatible software and file VAT returns digitally through the HMRC API. Manual filing via the HMRC portal is no longer available.
Under the new points-based penalty system, each late VAT return adds a penalty point. Once you reach 4 points (for quarterly filers), you receive a £200 penalty, with each subsequent late return also incurring £200. Points expire after 24 months of on-time compliance. TapTax automates digital VAT record-keeping and filing directly to HMRC via the API.
All VAT-registered businesses must now use MTD-compatible software to keep digital VAT records and file returns directly to HMRC using the API.
Common Mistakes That Cost You Money
VAT errors are among the most expensive tax mistakes for small businesses. Many are entirely avoidable once you understand how HMRC measures compliance.
Missing the rolling 12-month threshold. HMRC measures taxable turnover across any consecutive 12-month window – not the tax year or calendar year. You must register within 30 days of any month-end where your trailing 12-month turnover has exceeded £90,000.
Using the wrong Flat Rate Scheme percentage. FRS rates vary by sector and are set by HMRC. Using the wrong rate – whether for a different industry or an outdated rate – results in underpaying or overpaying HMRC. Verify your exact category in HMRC’s FRS table before registering.
Claiming VAT on cars. Input VAT on cars is blocked unless the vehicle is used exclusively for business (zero personal use). VAT on vans is fully reclaimable. Many business owners incorrectly claim car VAT, creating a tax risk on inspection.
Failing to register on time and incurring a backdated debt. HMRC backdates VAT registration to the date you should have registered. You then owe VAT on sales already made – without having charged your customers. The resulting VAT debt must be funded from your own margin.
Not switching off FRS when input costs rise. The Flat Rate Scheme suits service businesses with low input costs. If your business shifts to buying significant stock or materials, the standard scheme will likely save you more – switch by writing to HMRC before the next VAT period.
Avoiding these mistakes starts with tracking your numbers monthly. TapTax monitors your rolling turnover automatically and alerts you before you cross the VAT threshold.
Reporting to HMRC – Deadlines and Requirements
VAT returns are due 1 month and 7 days after the end of each VAT period. For monthly and quarterly filers this means payment and submission fall on the same day. Setting up a Direct Debit avoids late payment interest. Under the points-based penalty system introduced in January 2023, each late VAT return adds one penalty point. Quarterly filers who accumulate 4 points receive a £200 financial penalty, with each subsequent late return adding a further £200.
Late payment interest is charged at the Bank of England base rate plus 2.5% on any VAT unpaid after the due date. Serious or persistent late payment can also trigger repayment supplements to HMRC. Penalty points expire after 24 months of consecutive on-time compliance. Once all points clear to zero, you return to a clean slate.
TapTax automates VAT digital record-keeping and files returns directly to HMRC via the MTD API. You receive deadline reminders well in advance, so you never accumulate penalty points through oversight.
- Monitor your rolling 12-month turnover, not just the current month, to catch when you cross the threshold
- Voluntary VAT registration can be beneficial if your customers are VAT-registered businesses who can reclaim it
- The Flat Rate Scheme simplifies admin but removes all input VAT reclaim rights
- First year on FRS: your flat rate is reduced by 1% as a new VAT registrant discount
- Late VAT return penalty points accumulate to financial surcharges: don't miss filing deadlines
- Set up a Direct Debit for VAT payments: late payment interest accrues from day one after the due date
- Keep a monthly rolling total of taxable turnover, not just this month’s, to catch threshold crossings early
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