How to Fit Number Plates Without Drilling: Sticky Pads Explained

Not everyone wants to drill into their bumper to fit a number plate, and on some vehicles, particularly those with a plastic bumper or a specific bodykit, drilling isn’t the easiest option anyway. Adhesive pads are the standard no-drill alternative, but they come with a genuine tradeoff worth understanding before you rely on them.

The short answer

Yes, you can legally fit a number plate using adhesive pads instead of screws, as long as the plate is securely and permanently fixed while the vehicle is in use. There’s no rule requiring screws specifically. The requirement is that the plate is properly displayed and stays that way, not the exact fitting method.

How number plate sticky pads work

Number plate fitting pads are a strong double-sided adhesive, typically foam-backed, designed to bond the back of the plate to the vehicle’s bodywork. They’re applied in the corners or edges of the plate, and once properly seated, create a solid bond intended to hold under normal driving conditions, vibration, and weather.

They’re a genuinely practical option, particularly for plates fitted to plastic bumpers where drilling risks cracking the material, or where you want to avoid permanent holes for resale or aesthetic reasons.

The tradeoff: pads versus screws

Screws through the designated mounting holes are generally the more secure, longer-lasting fitting method, since they create a mechanical fixing that isn’t dependent on an adhesive bond holding over time. Adhesive pads can be a reliable option, but they’re more vulnerable to failure from:

• Temperature extremes, which can weaken adhesive bonds over time, particularly repeated hot-cold cycling
• A poorly cleaned or prepared surface before application, which significantly reduces bond strength
• Age: even a good-quality pad bond gradually weakens over years of exposure
• A knock or impact, which a mechanical screw fixing is more likely to withstand

This is part of why a plate coming loose or falling off is disproportionately common on plates fitted with pads alone rather than screws.

How to fit a plate properly with sticky pads

If you’re going the adhesive route, doing it properly makes a real difference to how long it lasts:

1. Clean the mounting surface thoroughly: remove all dirt, wax, and residue with isopropyl alcohol or a similar degreasing cleaner; adhesive won’t bond properly to a dirty or waxed surface
2. Apply in dry conditions at a reasonable ambient temperature. Adhesive doesn’t bond well in cold or damp conditions
3. Position the pads correctly: typically in the corners and along the edges, following the pad manufacturer’s guidance for coverage
4. Press firmly and hold for the recommended time to allow the bond to set properly, rather than just a quick press
5. Avoid touching the vehicle or washing it for the period specified by the adhesive manufacturer, usually 24-48 hours, to let the bond fully cure

When screws are the better choice

If your plate has come loose once already due to failed adhesive, or if the vehicle is used in conditions likely to stress the bond (regular short journeys, extreme temperatures, high-pressure car washes), switching to proper number plate screws through the mounting holes is the more reliable long-term fix.

Frequently asked questions

Is it legal to fit a number plate with sticky pads instead of screws?
Yes, as long as the plate is securely and properly displayed while driving. There’s no legal requirement to use screws specifically.

Are sticky pads as reliable as screws?
Generally not over the long term. Pads are more vulnerable to temperature, surface preparation, age, and impact than a mechanical screw fixing.

Can I use sticky pads on a plastic bumper?
Yes, and this is actually one of the more common reasons people choose pads, to avoid drilling into plastic bodywork.

What if my plate keeps coming loose with pads?
Switching to proper number plate screws through the mounting holes is the more durable fix if adhesive keeps failing.

Get a plate ready to fit

Order a compliant plate through the Car Plates Pro Number Plate Builder: BS AU 145e certified, DVLA registered, from £6.99.