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 Herald Sm 125-25b Scrambler Petrol 124cc has had 4 MOT tests on record, passing 2 and failing 2 (50% pass rate). It has 3,312 miles on the clock, averaging 687 miles per year, well below the UK average of 7,400.
MOT & Mileage History for BL21 SXN
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 | 3,312 miles |
| Reading date | |
| Miles last year | 34 |
| Average per year | 687 |
| Mileage consistency | Consistent |
Check BL21 SXN
- Write-off & insurance claims Experian
- Outstanding finance check 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 4 tests on record
Explore more about the Herald Sm 125-25b Scrambler
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Vehicle Details
| Registration | BL21 SXN |
| Make | Herald |
| Model | Sm 125-25b Scrambler |
| Colour | Grey |
| Fuel type | Petrol |
| Engine | 124cc |
| Year | 2021 |
| First registered | |
| Area code | BL — Birmingham, Birmingham |
| Age identifier | 21 — March 2021 to August 2021 |
More BL21 S plates
Browse all BL21 S registrations from Birmingham.
About BL21 SXN
What car is BL21 SXN?
BL21 SXN is a grey Herald Sm 125-25b Scrambler, petrol (124cc). First registered in Birmingham in 2021.
What is the mileage of BL21 SXN?
The last recorded mileage for BL21 SXN was 3,312 miles, recorded on 18 Jun 2025 during its most recent MOT test.
Has BL21 SXN passed its MOT?
BL21 SXN has had 4 MOT tests with a 50% pass rate (2 passes, 2 failures). It last passed on 18 Jun 2025.
Is BL21 SXN ULEZ compliant?
Based on its fuel type and registration year, BL21 SXN 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 BL21 SXN?
BL21 SXN is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.