What an HPI check actually covers (and what it doesn't)

If you're buying a used car privately in the UK, a Full HPI check is the cheapest piece of legal protection you'll buy that day. It cross-references your registration against the same authoritative databases UK dealers and trade buyers use — DVLA, DVSA, the Police National Computer, the Association of British Insurers and the major UK finance houses.

Here's exactly what a Full HPI report shows you, and — just as important — what it doesn't.

What a Full HPI check covers

1. Outstanding finance

The single most expensive thing to miss. If a car has outstanding finance — Hire Purchase, PCP, lease purchase, balloon HP or a registered logbook loan — the lender legally owns the car until the agreement is settled. Buy a financed car and the lender can repossess it from you, even if you bought in good faith.

The HPI check queries every major UK finance lender. If finance is owed, you'll see it in the report along with the lender's name and the agreement type. Walk away unless the seller produces a settlement letter from the lender first.

2. Stolen vehicle marker

The check cross-references the Police National Computer (PNC) for stolen-vehicle entries. A clean PNC return doesn't prove the car is legitimate — it proves no police force has logged it as stolen. With cloning, the cloned car's identity may not show as stolen because the legitimate donor car still exists.

This is why the HPI check pairs the PNC marker with a VIN/plate/colour cross-check. A car whose VIN, plate and colour all match the DVLA record is much harder to clone than one with discrepancies.

3. Insurance write-off category

If the car has been insurance-written-off, you'll see one of four current categories:

• Cat A — scrap only. The car cannot legally return to the road. If a Cat A car appears for sale, it has been illegally re-registered.
• Cat B — break for parts. The body shell is destroyed; salvageable parts only.
• Cat S — structurally damaged but repairable. Can return to the road with proper repair.
• Cat N — non-structural damage, repairable. Often cosmetic.

Pre-October 2017 cars may carry the old A/B/C/D categories. The HPI report shows whichever applies. Cat S and Cat N cars can be perfectly safe to buy at the right price — typically a 20–40% discount on a "clean" example.

4. Mileage verification

The MOT trail is good. The mileage verification check is better. It cross-references DVSA MOT readings with finance-lender odometer records (taken at the start and end of every HP/PCP agreement) and service-history stamps. The output is a flagged anomaly summary — any drop or implausible plateau gets surfaced rather than buried in a list of dates.

For more on what this catches that the MOT history alone misses, see How to spot a clocked car.

5. Keeper history

The number of registered keepers and the date the current keeper acquired the car. A high keeper count (5+) on a 5-year-old car is unusual — sometimes legitimate (rental fleet, hire-car), often an indicator of a problem nobody wanted to keep.

The report shows keeper count without sharing personal details (privacy law).

6. VIN, plate and colour matches

The HPI check confirms that the registration matches the VIN, body colour and other DVLA-held particulars. Any mismatch is a question to ask the seller — sometimes innocent (a respray declared to DVLA), sometimes a cloning red flag.

7. Import / export status

Imported vehicles are common and often legitimate, but they need extra checks: NOVA registration, a UK IVA test if required, and an honest service history that may be in another language. Exported cars that re-appear in the UK have usually been through a major change of identity and warrant more scrutiny.

The report flags both clearly. See Imported car checklist for the next steps.

8. DVLA technical & tax data

Make, model, fuel, engine size, CO₂, colour, registration date, current tax status, MOT due date and any SORN periods. The report is also where you confirm the DVLA's recorded list price for the car — relevant for the post-2017 £40k VED supplement.

What an HPI check doesn't cover

Equally important. A Full HPI report is a paperwork-and-history check. It can't see:

• Mechanical condition. No HPI check inspects the engine, gearbox, brakes or suspension. Always pair it with a physical inspection or AA/RAC pre-purchase report.
• EV battery state-of-health. The HPI check confirms the car is what it claims to be, but the high-voltage battery's degradation isn't in any public dataset. Use a connected diagnostic check.
• Hidden bodywork repair quality. Cat S/N markers tell you a car was repaired, not how well. Inspect for paint mismatches, panel-gap inconsistency and excessive overspray.
• Service history authenticity. Stamps in a service book aren't independently verified. A main-dealer franchise can confirm whether they actually serviced the car on the dates claimed.
• Future MOT failure risk. The advisory pattern in the MOT history hints at it, but only an inspection tells you what's wearing now.

How HPI compares to free MOT history

The free MOT history check is excellent for what it covers — every MOT test, mileage, advisory and failure reason. It's enough for a casual price-check or to spot blatant clocking.

The Full HPI check adds the seven other signals above. The marginal cost (around £7.49) versus the size of the typical purchase (£5,000–£40,000) makes it the obvious move for any serious buyer.

What 'HPI clear' really means

"HPI clear" is shorthand for no outstanding finance, no stolen marker and no insurance write-off showing on the report. It does not mean:

• The car is mechanically sound.
• The mileage is verified to the nearest mile.
• The previous keepers were diligent.

It means the legal-and-financial paperwork is clean — which is the part the seller can't easily fix on the day of viewing. Combine "HPI clear" with a physical inspection and you've covered the major risks.

Frequently asked questions

Detailed answers to common HPI questions are repeated below for search engines and for anyone scanning. The short version: a Full HPI check covers eight signals from authoritative UK data sources, costs around £7.49, and is the cheapest insurance you can buy before handing over thousands of pounds.

Frequently asked questions

What does HPI stand for?

HPI is short for Hire Purchase Information — the original UK trade body that ran finance and stolen-vehicle searches. The name has stuck even though the data now comes from a much wider set of sources, including DVLA, DVSA, the Police National Computer and the Association of British Insurers.

What's the difference between a free MOT check and a Full HPI check?

The free MOT check shows the DVSA test record. A Full HPI check adds outstanding finance, stolen markers, insurance write-off categories, mileage verification, keeper history, VIN match, import/export status and a market valuation. The MOT history is bundled into the Full HPI report.

Are all HPI checks the same?

The core signals are the same — they're sourced from the same authoritative UK databases. The differences are pricing, presentation and how clearly the report flags issues. Independent providers like VDI offer the same data at lower prices than the legacy 'HPI Check' brand.

What does 'HPI clear' mean?

HPI clear means the car has no outstanding finance, no stolen marker and no insurance write-off recorded against it. It's the green light most UK private buyers want before completing a sale.