Vehicle summary
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
At a glance
This 2021 Trailex Ef300 Trailex Ef300 Petrol 300cc has had 2 MOT tests on record, passing 1 and failing once (50% pass rate). It has 4 miles on the clock at the last MOT.
MOT & Mileage History for CN21 JKK
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failure recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
| Latest reading | 4 miles |
| Reading date | |
| Miles last year | 3 |
| Mileage consistency | Unknown |
Check CN21 JKK
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 2 tests on record
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Vehicle Details
| Registration | CN21 JKK |
| Make | Trailex Ef300 |
| Model | Trailex Ef300 |
| Colour | Black |
| Fuel type | Petrol |
| Engine | 300cc |
| Year | 2021 |
| First registered | |
| Area code | CN — Cardiff, Cymru (Wales) |
| Age identifier | 21 — March 2021 to August 2021 |
More CN21 J plates
Browse all CN21 J registrations from Cardiff.
About CN21 JKK
What car is CN21 JKK?
CN21 JKK is a black Trailex Ef300 Trailex Ef300, petrol (300cc). First registered in Cardiff in 2021.
What is the mileage of CN21 JKK?
The last recorded mileage for CN21 JKK was 4 miles, recorded on 22 Feb 2022 during its most recent MOT test.
Has CN21 JKK passed its MOT?
CN21 JKK has had 2 MOT tests with a 50% pass rate (1 pass, 1 failure). It last passed on 22 Feb 2022.
Is CN21 JKK ULEZ compliant?
Based on its fuel type and registration year, CN21 JKK is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is CN21 JKK?
CN21 JKK is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.