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Last reviewed: 6 July 2026
V55/5 form · Box 15
Length (mm)
What goes in box 15
Box 15 of the DVLA V55/5 form is for length (mm).
Take this from the Certificate of Conformity. You don't need to fill this in if you're providing an IVA or GB conversion certificate — but if you do have the measurement, you must give it.
What to enter
| Field | Type | Required? |
|---|---|---|
Length (mm) Take this from the Certificate of Conformity. You don't need to fill this in if you're providing an IVA or GB conversion certificate — but if you do have the measurement, you must give it. | number | Optional |
Source
This page is generated from the same field definitions our V55/5 tool validates against, mapped to the official DVLA guidance.
V355/5 official guidance (GOV.UK)v55-5.com is an independent service and is not affiliated with the DVLA.
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