Hemel Hempstead MOT pass rate
Cars tested in Hemel Hempstead, age-adjusted, has a pass rate of 83.5%, a little higher than the national average (79.2%).
83.1%
Raw pass rate
83.5%
Age-adjusted pass rate
+4.3 pts
vs national average
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“Cars tested in Hemel Hempstead, age-adjusted, has a pass rate of 83.5%, a little higher than the national average (79.2%).”
83.1% of 573,786 MOT tests carried out in Hemel Hempstead pass — the age-adjusted figure is 83.5%.
Pass rate by vehicle age in Hemel Hempstead
| Vehicle age | Pass rate | Tests |
|---|---|---|
| 0–3 years | 92.0% | 25,366 |
| 3–6 years | 91.0% | 110,151 |
| 6–10 years | 85.9% | 165,234 |
| 10–15 years | 79.3% | 149,253 |
| 15+ years | 75.0% | 123,782 |
Most common MOT failure reasons in Hemel Hempstead
| Category | Share of failed tests |
|---|---|
| Lamps, reflectors and electrical equipment | 43.8% |
| Suspension | 25.2% |
| Tyres | 23.9% |
| Brakes | 22.0% |
| Visibility | 14.3% |
Methodology and data source
- Source: DVSA “Anonymised MOT tests and results”, data.gov.uk, under the Open Government Licence v3.0.
- Coverage: Full year 2024, test class 4 (cars), normal (initial) tests only.
- This covers cars tested in Hemel Hempstead (DVSA's postcode_area field is the testing station's location, not the vehicle owner's home address).
- The age-adjusted figure is standardised to the national vehicle-age mix, so it isn't just reflecting whether this area's tested fleet happens to run older or newer than average.
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Frequently asked questions
- What is the MOT pass rate in Hemel Hempstead?
- 83.1% of MOT tests carried out in Hemel Hempstead pass, based on 573,786 tests. Adjusted for the age of cars tested there, the figure is 83.5%.
- Does this show cars registered in Hemel Hempstead, or tested there?
- Tested there. DVSA's data records the postcode of the testing station, not the vehicle owner's home address, so this reflects cars tested in Hemel Hempstead — which may include vehicles from further afield — not necessarily cars kept locally.
- What's the most common MOT failure reason in Hemel Hempstead?
- Lamps, reflectors and electrical equipment is the most common failure category among tests carried out in Hemel Hempstead, present in 43.8% of failed tests there.