Most inspections are routine. HMRC's stated aim is to work with you to put right any problems and tell you about any additional tax and penalty due. Co-operation matters: it usually keeps things in the civil track and is taken into account when penalties are calculated. You can also ask to delay the visit if the proposed date is genuinely inconvenient.
- Treating the visit as an accusation. Most VAT inspections are routine compliance checks, not investigations. Reacting defensively (refusing access, withholding records, calling lawyers before HMRC has explained the scope) tends to escalate matters rather than resolve them, and can shift HMRC's view of your behaviour from cooperative to obstructive.
- Refusing to delay an inconvenient date. You can ask HMRC to push the visit back. The published guidance says HMRC must listen to and consider any representations made by the business. A genuine business reason (an audit, a director away, an end-of-quarter close) is normally accepted without difficulty.
- Not checking the officer's identification on arrival. Any HMRC officer attending should carry identification and a copy of the inspection notice. The notice will set out the scope of the visit. Take a moment to read it before the officer sits down: it tells you what they are entitled to look at.
- Volunteering more than HMRC asked for. Cooperation is essential, but a compliance check has a defined scope. Producing extra periods, unrelated records, or unsolicited explanations of unrelated matters can broaden the check beyond its original remit, and lengthen the process.
- Assuming the visit ends the matter. The officer often leaves with copies of records and follow-up questions. The substantive correspondence (assessment letters, penalty notices, settlement discussions) usually comes weeks or months later. Don't relax once the door closes: that's when the case actually moves.
What an HMRC VAT inspection actually is
An HMRC VAT inspection (sometimes called a VAT visit or compliance check) is the routine way HMRC verifies that a VAT-registered business is accounting for the right amount of tax at the right time. The legal powers sit in Schedule 36 of the Finance Act 2008, which allows an HMRC officer to inspect business premises, assets, and records where it is reasonably required to check a tax position.
For VAT, visits are the usual practice (for Income Tax and Corporation Tax, HMRC more often asks for documents to be sent in). The visit is conducted by a named HMRC officer with the scope set out in the inspection notice. Most are uneventful: HMRC's own published material describes them as the moment when they will work with you to put right any problems and tell you about any additional tax and penalty due.
How HMRC arranges the visit (and when they can arrive unannounced)
The standard process is that HMRC telephones to agree a mutually convenient date, then issues a written notice of inspection confirming the date, scope, records requested, and likely duration. The published guidance commits to at least 7 days notice, and HMRC must not request a visit at a time they know will be particularly inconvenient. You can ask to push the visit back where there's a genuine business reason; a prompt written request is normally accepted.
Unannounced visits are also possible but unusual. They are deliberately constrained: an unannounced inspection of business premises is normally either approved by an authorised HMRC officer (where records or assets might otherwise be concealed) or approved in advance by the First-tier Tribunal. The visit cannot extend to a person's home unless the home is also used as business premises, or unless you actively invite HMRC in. If officers arrive unannounced, you are entitled to ask for their identification and a copy of the notice (or the tribunal approval) before the visit begins. Calling your accountant at that point is reasonable and is not, by itself, obstruction.
What the inspection covers and how the day runs
The scope follows the inspection notice. A typical VAT inspection covers the VAT returns submitted for the periods under review, the underlying sales and purchase invoices, a sample of transactions traced from invoice through ledger to return, and an overview of how the business operates. HMRC may also focus on specific items flagged before the visit (a particular reclaim, an unusual VAT treatment, a period with an unexpected fluctuation).
The visit itself usually runs in three stages. First, an opening conversation about the business: what you sell, to whom, how sales are recorded, what accounting system you use. Answer factually and concisely; don't volunteer information about periods or activities outside the scope of the visit. Second, a working session with the records, during which the officer may ask to take copies or flag items for follow-up. Third, a closing summary of preliminary findings.
That closing summary matters. Ask for confirmation in writing, and don't agree to figures, adjustments, or penalty positions on the spot. Substantive correspondence comes later, and there's no benefit to closing matters before the file is complete. We see this go best when the records are organised in advance and a single person from your team is available to retrieve documents and answer questions.
A VAT inspection notice in your hands? Our HMRC Response Support gives you a senior specialist alongside you, with a structured reply.
After the visit: assessments, penalties, and what happens next
Most VAT inspections close with one of three outcomes: no issues identified, minor adjustments corrected on the next return, or larger assessments and penalties (for underdeclared output tax, overclaimed input tax, or inaccuracies in the returns). Each carries the standard 30-day appeal window, the right to a free internal review, and the right to appeal to the First-tier Tribunal.
Inaccuracy penalties depend heavily on behaviour. Careless errors carry lower rates and can be reduced to zero on unprompted disclosure with full cooperation. Deliberate or concealed errors carry materially higher rates. This is where cooperation during the visit, and unprompted disclosure of errors you've spotted yourself, change the financial outcome. The expensive mistake at this stage is silence: HMRC's correspondence has deadlines, and missing them removes options.
Penalties for not cooperating with the inspection
Schedule 36 of the Finance Act 2008 also creates a separate penalty regime for failure to comply, obstruction, or concealment:
- £300 initial penalty for failing to comply with an information notice or obstructing an inspection
- Up to £60 a day in daily penalties after the initial £300, while the failure continues
- Up to £1,000 a day in increased daily penalties in specific continuing-failure scenarios, with tribunal involvement
- Up to £3,000 for providing inaccurate information or producing documents containing inaccuracies in response to an information notice
Reasonable excuse is a defence to each, and there's a right of appeal in the usual way. The threshold for "obstruction" is meaningful: asking sensible questions about scope, requesting a delay for genuine business reasons, or calling your adviser before allowing access doesn't qualify. Deliberately refusing to produce records, or destroying or concealing them, does.
When you might need expert VAT advisory
Routine inspections often run smoothly without specialist involvement. But the inspection process has procedural and strategic dimensions that change the outcome materially when the stakes are higher. In practice, the situations below are where a senior specialist's read makes a real difference:
- The inspection notice asks for multiple periods or unusually broad scope, and you want to ensure the visit doesn't expand beyond what is reasonably required
- You've already spotted errors of your own and want to handle disclosure before the visit to maximise the penalty reduction
- The business has complex or specialist VAT treatments (partial exemption, property options, EU-facing transactions, reverse charge) that need to be explained correctly to the officer
- HMRC has issued a Schedule 36 information notice alongside or instead of the visit, and the scope or burden of compliance feels disproportionate
- You're an accountant attending with a client and want a senior specialist's read on a particular technical point before the visit
- The visit has already happened and you've received an assessment or penalty letter you want to challenge before responding
Whether you're a business owner or an accountant working on a client case, we focus on the VAT questions where extra expertise pays off, and we work in plain English.