Guide
Campervan conversion and DVLA: changing the body type on your V5C
Updated
The paperwork side of a conversion is simpler than the forum arguments suggest, and stricter than the optimistic posts claim. Here is what the official guidance actually says.
What gov.uk actually states
The official guidance on changing vehicle details is clear on two points. First, you must update your V5C registration certificate if you change the vehicle's body type, giving as its own example converting "a van to a campervan or 'motor caravan'". Second, DVLA gives a body type description based on the vehicle's external appearance (gov.uk).
That second sentence is the one that matters. The body type recorded on the V5C is a description of the vehicle, not a reward for effort. A van that looks like a van from the outside is likely to stay recorded as a van however good the interior is.
What we are deliberately not listing
You will find checklists of "DVLA motor caravan criteria" all over the internet, usually copied from an older version of the guidance. We are not reproducing one here, because the gov.uk page we can cite does not set those criteria out, and a stale checklist is worse than no checklist. Check DVLA's current requirements directly, and if the classification matters to you, confirm what evidence they want before you build.
What a conversion does not change
- Roadworthiness. Converting the inside of a van does not reduce any obligation to keep it safe and legal. It still needs to be taxed, insured and, where applicable, MOT tested. Check which MOT class your vehicle falls into with your testing station rather than assuming a conversion changes it.
- Weight limits. The vehicle's maximum authorised mass does not change because you fitted furniture. Every kilogram of build is payload gone, and a fully loaded conversion with water, gas, people and kit can get close to the limit faster than owners expect. A weighbridge visit after the build is cheap peace of mind.
- Your duty to tell your insurer. A conversion is a modification. Tell your insurer what has been done and get the position in writing before you rely on cover.
- Gas and electrical safety. If you fit an LPG system, have it designed and installed by an engineer qualified for LPG in leisure vehicles and keep the documentation. The same discipline applies to a mains installation.
Practical sequence
- Decide early whether having the body type recorded as a motor caravan actually matters for what you want to do, and check DVLA's current requirements before finalising the exterior.
- Keep photographs and receipts through the build. Evidence of what was done and when is useful for DVLA, for insurers and for resale.
- Update the V5C when the body type has changed, following the process on the gov.uk page.
- Tell your insurer, in writing, what has been fitted.
- Weigh the finished van loaded as you would actually travel, and keep the ticket.