Where was the HM21N number plate registered?

Vehicles with the HM21N prefix were first registered in Portsmouth, South East through official DVLA regional allocation tag HM.

What year was a HM21N registration plate released?

The HM21N series was issued during March 2021 to August 2021.

What is the MOT pass rate for HM21N vehicles?

Vehicles in the HM21N cohort demonstrate an average historical MOT pass rate of 100% based on 2 recorded DVSA inspections.

Batch Prefix Hub

HM21N Series Number Plates

UK vehicles registered in Portsmouth, South East during March 2021 to August 2021 with registration prefix HM21N.

Area Office: Portsmouth (Portsmouth, South East)
Release Period: March 2021 to August 2021
Tracked in Batch: 2 vehicles
MOT Pass Rate: 100%

Popular Makes

BMW 50% (1)

MAZDA 50% (1)

100%

Average MOT Pass Rate

Based on 2 historical tests

Common Colors

Black1 vehicles

Red1 vehicles

Active Plates in HM21N Series(2 of 2 displayed)

Filter by 6th Letter:

HM21NAH

MOT Valid

BMW I4 EDRIVE40 M SPORT

Electric · Black

First Used: Oct 2022
MOT Expiry: 14 Apr 2027
Tax Status: —
Color: Black

Check History & Specs

HM21NOV

MOT Valid

MAZDA MX-5 SPORT TECH

2.0L · Petrol · Red

First Used: May 2021
MOT Expiry: 20 May 2026
Tax Status: —
Color: Red

Check History & Specs

Reliability & Common Problem Guides for HM21N Makes

Explore common mechanical faults, MOT advisory trends, and recall notices for popular vehicles in this registration batch:

BMW Common Problems MAZDA Common Problems

Frequently Asked Questions about HM21N Plates

Where was the HM21N number plate series registered?

Vehicles starting with HM21N were assigned to the Portsmouth covering Portsmouth, South East. The first two letters (HM) identify the memory tag assigned by the DVLA.

What registration period is HM21N?

The HM21N age identifier corresponds to vehicles first registered between March 2021 to August 2021.

How can I check the MOT history of a HM21N vehicle?

Click any registration in the plate list above to view the complete DVSA inspection history, advisory alerts, mileage progression, road tax status, and our AI mechanical risk evaluation.