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 Seat Leon Fr Etsi S-A Hybrid Electric (Clean) 999cc has had 3 MOT tests on record, passing every one. It has 62,423 miles on the clock, averaging 4,369 miles per year, well below the UK average of 7,400.
MOT & Mileage History for KJ21 BYH
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gap in MOT history
Mileage Analysis
Low mileage| Latest reading | 62,423 miles |
| Reading date | |
| Miles last year | 215 |
| Average per year | 4,369 |
| Mileage consistency | Consistent |
Check KJ21 BYH
- Write-off & insurance claims Experian
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- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 3 tests on record
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Vehicle Details
| Registration | KJ21 BYH |
| Make | Seat |
| Model | Leon Fr Etsi S-A |
| Colour | Blue |
| Fuel type | Hybrid Electric (Clean) |
| Engine | 999cc |
| Year | 2021 |
| First registered | |
| Area code | KJ — Northampton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
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About KJ21 BYH
What car is KJ21 BYH?
KJ21 BYH is a blue Seat Leon Fr Etsi S-A, hybrid electric (clean) (999cc). First registered in Northampton in 2021.
What is the mileage of KJ21 BYH?
The last recorded mileage for KJ21 BYH was 62,423 miles, recorded on 31 Jan 2026 during its most recent MOT test.
Has KJ21 BYH passed its MOT?
KJ21 BYH has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 31 Jan 2026.
Is KJ21 BYH ULEZ compliant?
Based on its fuel type and registration year, KJ21 BYH is likely ULEZ compliant. Electric — exempt. This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KJ21 BYH?
KJ21 BYH is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.