Metal number plates are legal on UK roads only if they meet the same legal standard as any other road plate: the British Standard BS AU 145e, the correct colours, the legal font, correct spacing and a reflective face. The material is not the test. A plate made by a registered number plate supplier on an aluminium base can be fine, while a home-cut sheet of steel with painted letters is not.
Part of Personalised Number Plates. Start with the main guide: Cherished Plates: What They Are and How They Work
Updated October 2026 · Independent information, not legal advice
People search for metal registration plates for several reasons: a classic car that wore pressed metal plates, a wish for something sturdier than acrylic, or a decorative plate for a wall. The rules differ for each, so it helps to separate what the DVLA allows on a public road from what is only for display.
Are Metal Number Plates Legal In The UK?
Yes, provided the finished plate is compliant. A road plate must carry the registration in the legal font (a version of Charles Wright 2001), be reflective, show the supplier's name and postcode and the standard number, and use a white front and yellow rear. A metal plate that meets all of these is lawful.
What makes a plate compliant, whatever it is made of?
- It is made by a registered supplier.
- It follows BS AU 145e for material, reflectivity and marking.
- It uses the standard typeface at the correct size.
- It has the right spacing between characters and groups.
- It is kept clean and readable.
What Are Metal Registration Plates Usually Made From?
Most modern road plates are a reflective film on a plastic or aluminium backing. Pressed aluminium plates, where characters are formed by embossing, were common in the past and are still made for some uses. Whether a particular product is compliant depends on the finished item, not on the label metal.
Aluminium and pressed plates
Aluminium is light and does not rust, which is why it appears on classic and older vehicles. A pressed plate must still show the correct characters, reflective material and supplier marking to be used on the road today.
Steel and stainless plates
Plain steel will corrode, and polished or brushed stainless finishes can be hard to read or may not be reflective. If the face is not the legal colour and reflective, the plate fails.
How Do Metal Plates Compare With Acrylic And Other Types?
| Type | Usually legal on the road? | Main point |
|---|---|---|
| Standard acrylic or reflective film | Yes, if made to the standard | The everyday choice from a registered supplier |
| Pressed aluminium | Yes, if it meets the standard | Durable, often for older vehicles |
| 3D or 4D raised plates | Only if they meet the same standard | See 3D reg plates |
| Show plate | No, display only | Not a replacement for road plates |
| Novelty or engraved decorative metal | No | Fails font, colour or reflectivity |
Can Classic Cars Use Metal Plates?
Yes, and some owners prefer the look. Vehicles first used before a certain date are allowed to display older-style plates with a black background and white or silver characters, but the exact rules, the cut-off date and what else must be met are set out on GOV.UK. Confirm the detail for your vehicle before ordering.
Do old pressed plates need to be replaced?
If an original plate is damaged, hard to read or no longer meets what the law requires, it may need replacing. The history of a plate does not exempt it from being legible.
Are Black And Silver Metal Plates Legal?
Only in the limited case of qualifying older vehicles. A modern car cannot use a black background with silver characters on a public road, however attractive the metal finish. Check the current rule on GOV.UK. For a wider view, see legal number plates in the UK.
Are Brass, Chrome Or Gold-Look Metal Plates Legal?
Why does the finish matter?
A road plate is read by people, police and automatic cameras, so a reflective face and a plain black on white or yellow layout are not just cosmetic.
No for ordinary road use. A road plate must show black characters on white or yellow with a reflective face. Gold, chrome or mirror finishes break the colour and reflectivity rules and can make the registration harder for cameras and people to read.
- Mirror finishes can cause glare.
- Coloured tints change how the characters read.
- Non-reflective faces do not meet the standard.
- Engraving without the required markings does not meet the standard.
What Is A Metal Show Plate?
A show plate is for display only. Metal versions are popular as wall plaques, gifts and garage decor, and a personalised number plate in this form can be a good keepsake of a registration. It is not legal on a public road in place of the proper plates.
Can I show a registration I do not own?
A decorative plate showing a registration can be a keepsake, but it must not be fitted to a vehicle in a way that suggests it is that vehicle's registration. Using a registration that is not assigned to your vehicle on the road is an offence.
Who Is Allowed To Make A Metal Road Plate?
How do I spot an unregistered seller?
Only a registered supplier may make road plates, and the number plate supplier must see proof of identity and entitlement to the registration. Online sellers and local shops have to follow the same rules. If a seller does not ask for any documents, treat that as a warning sign. See the lawful route to get plates made.
What Documents Will The Supplier Ask For?
What if I have lost my paperwork?
A replacement V5C can be requested from the DVLA, and the supplier may accept alternative proof in some cases. Ask the supplier what they can accept.
The supplier needs to confirm who you are and that you are entitled to the registration.
- Photographic identity, such as a driving licence or passport.
- Proof of address where required.
- A V5C, or for a new registration the relevant DVLA document, such as a V750 certificate of entitlement or V778 retention document.
- The registration you want to be made up.
How Should Metal Plates Be Fixed To A Vehicle?
Fix plates firmly in the position the vehicle design expects, with nothing covering the characters. Rust, flaking paint, bent corners and cracks can make a plate fail an MOT or draw police attention.
What fixings are acceptable?
- Screws or adhesive pads that do not cover or alter characters.
- Plastic or metal surrounds that do not hide the registration.
- Fixings that keep the plate straight and secure.
Do metal plates cause problems with car washes or parking sensors?
Rigid metal plates can be thicker or heavier than film-on-acrylic plates, so check that the vehicle's bracket holds them. Some owners report problems with sensors or cameras when plates are not seated flat.
Does The MOT Check Number Plates?
What does a tester look for?
Presence, security, legibility and the display of the correct characters.
Yes. An MOT tester checks that plates are present, secure, legible and meet the display rules, and a fault can lead to an MOT advisory or failure. See what fails an MOT and run the free number plate check MOT history to see past test results for a vehicle.
What Are The Rules For Motorbikes And Trailers?
Do small bikes need smaller metal plates?
A smaller plate is allowed for some motorcycles, and the same standard applies to the markings.
Motorcycles usually display a rear plate only, and the plate must meet the standard for its size. Trailers show the towing vehicle's registration and, for some trailers, a separate plate; see number plates for trailers and caravans and motorbike number plates. Metal is allowed only if it complies.
What Happens If A Plate Is Not Legal?
Can I just repaint a metal plate?
No. Paint, stickers or tape to alter characters are not allowed, and painting over a worn plate can leave it non-reflective.
Displaying a non-compliant plate can lead to a fixed penalty or prosecution and an MOT failure, and a vehicle may be refused a pass until the problem is fixed. The exact consequences depend on the offence, so check the current guidance on GOV.UK.
- A police officer may stop the vehicle.
- A camera system may fail to read the plate.
- The supplier may be asked to explain the plate.
- You may have to replace the plate before the vehicle is used again.
How Can I Tell If A Metal Plate Is Compliant?
A short checklist for a second-hand plate
A plate bought second hand may be worn or non-compliant, so check the details before fitting it.
- Supplier name and postcode are visible.
- The standard number is shown.
- Characters are crisp and the font is correct.
- The face is reflective and undamaged.
Look at the plate itself. A compliant plate carries the supplier name and postcode, the standard number and reflective sheeting, with characters in the correct typeface and spacing. If you are not sure, ask a registered supplier to look at it or compare it with the UK number plate size rules and the car registration plate font.
What Are The Common Mistakes With Metal Plates?
Buyers tend to trip over the same few things, and most are avoidable with a supplier check.
- Buying a decorative metal registration plate and assuming it is road legal.
- Choosing a brushed or mirror finish that is not reflective.
- Ordering before the registration is assigned to the vehicle.
- Using a plate that has lost its supplier marking.
Is it worth paying for metal?
Durability is the usual reason, and any extra cost is the supplier's to set. Always compare compliance first.
Where Can I Learn More About Plate Types?
The wider personalised number plates topic covers plate formats, styles and what is allowed, and the cherished plates explanation covers registrations kept for their value. Always rely on GOV.UK for the latest rule.
How do metal plates relate to private plates and registration formats?
A metal plate must still show the registration exactly as the DVLA holds it. That applies to a private plate or cherished number plate, to a dateless plate with no age identifier, and to the prefix, suffix and current style formats. The material may differ, but the characters, spacing and font rules stay the same.
When a plate is lost, stolen or damaged, a replacement usually needs the V317-type paperwork route or a registered supplier's checks on entitlement, depending on the circumstances, so confirm the current process on GOV.UK. A supplier should not make a road plate unless you show you are entitled to the registration, whatever the metal finish.
Frequently Asked Questions
Are metal number plates legal in the UK?
Yes, if the finished plate meets the legal standard. It must be made by a registered supplier, follow BS AU 145e, use the legal font and spacing, show the supplier's details and have a reflective white front or yellow rear face. The material is not the issue; compliance is. A plate that fails any of these is not legal for road use.
Can I use pressed metal registration plates on a classic car?
Possibly. Pressed aluminium plates can be legal if they meet the standard, and qualifying older vehicles may be allowed older-style colours. The details, including the cut-off date, are on GOV.UK. If you are unsure, ask a registered supplier and check the vehicle's registration date before ordering.
Are black and silver metal plates legal?
Only for vehicles that qualify for the older style, which depends on when they were first used. A modern car must use white at the front and yellow at the rear with black characters. Check the current rule on GOV.UK before ordering a black plate.
Do metal plates fail an MOT?
A metal plate that is compliant, secure and legible should not fail. A plate that is corroded, bent, hard to read or has the wrong colours or font can be an advisory or a failure. Testers check that plates are present and legible as part of the MOT.
Can I make my own metal number plate?
Not for road use. Only a registered supplier can make road plates, and they must see proof of identity and entitlement. A home-made metal plate can only be a show plate. The lawful route is to get the registration entitlement and order from a registered supplier.
Is a metal show plate legal on the road?
No. A show plate is for display only, such as at events or in photographs. It does not replace the proper road plates and using it on a public road may lead to penalties. Keep it as a decorative item or keepsake.
Are chrome or gold metal plates allowed?
No for ordinary road use. The law requires black characters on a white front plate or a yellow rear plate with a reflective face. Mirror, chrome or gold finishes break the colour and reflectivity rules and make the registration harder to read.
How do I check a vehicle after changing its plates?
Enter the registration into the free number plate check to confirm the make, model, colour, tax and MOT status match the vehicle. If the plates were changed because of a new private registration, the DVLA record and V5C should show the new number.
Official Sources
Rules, fees and deadlines change. Confirm anything that affects your money or legal position with the official service.