22/03/2010
Many motorists enjoy personalising their vehicles, and a popular way to do this is by applying stickers to the car's bodywork. However, the question often arises: can you actually put stickers on a car's windscreen? While it might seem like a minor detail, adhering to regulations is crucial for road safety and to avoid any potential penalties. This article will delve into the specific rules governing obstructions on windscreens in the UK, clarifying what is permissible and what could land you in trouble with the law.
The primary concern with anything placed on a windscreen is its potential to obstruct the driver's view of the road. A clear and unobstructed view is paramount for safe driving, allowing the driver to react effectively to hazards, other vehicles, pedestrians, and changing road conditions. Therefore, regulations are in place to ensure that the windscreen remains as clear as possible.
Understanding Windscreen Obstructions: The 40mm Rule
In the United Kingdom, the law is quite specific when it comes to items placed on or stuck to a car's windscreen. The key piece of legislation to be aware of states that windscreen stickers, or any other obstructions, shall not encroach more than 40mm from the windscreen's surface. This measurement is crucial. It refers to how far an item protrudes from the glass, not how large the sticker itself is.
This 40mm limit is designed to prevent items from creating significant blind spots or distorting the driver's view. Imagine a large, bulky item stuck in the middle of the windscreen; it would undoubtedly impede vision. The 40mm rule is a practical measure to ensure that even if an item is present, it doesn't pose a substantial risk to visibility.
What Counts as an Obstruction?
The regulations are broad in what they consider an obstruction. Items placed in or stuck to the windscreen could include a variety of things, such as:
- Stickers: This is the most common query. Various types of stickers, from tax discs (though these are largely digital now) to decorative decals, fall under this category.
- Pennants: Small flags or banners that drivers might attach to their interior.
- Satellite Navigation Monitors: While modern sat-navs are often mounted on the dashboard, older or alternative mounting methods might place them on the windscreen.
- Decorations: Anything from air fresheners that hang in a way that obstructs vision, to festive decorations, can be considered an obstruction.
The intention behind the rule is to cover anything that is not an integral part of the vehicle's design and that could compromise the driver's field of vision.
What is Permitted?
It's important to note that not everything on or near the windscreen is deemed an illegal obstruction. The regulations specifically allow for certain features:
- Original Vehicle Design Features: These are elements that were part of the car's manufacturing design. Examples include the windscreen wipers, the heating elements embedded within the glass (defrosting elements), or the rear-view mirror assembly.
- Driver's Aids: These are features designed to assist the driver. The most common example cited is sun visors. These are foldable shades designed to block direct sunlight and are a standard safety feature.
So, while you can't just stick any old sticker anywhere, certain items are permitted because they are either original to the car or are recognised safety aids. The key distinction lies in whether the item is a deliberate addition that could hinder vision, or an established component designed for the car's function or the driver's safety.
Implications of Non-Compliance
Driving with an obstructed windscreen is a serious matter. If a police officer deems your windscreen view to be compromised beyond the legal limits, you could face several consequences:
- A Fixed Penalty Notice: This typically involves a fine and potentially penalty points on your driving licence.
- A Prohibition Notice: In more severe cases, you might be issued a notice requiring you to rectify the obstruction before continuing your journey.
- Prosecution: For significant or persistent breaches, you could be taken to court, facing a larger fine and potentially more severe penalties.
The specific penalties can vary, but the overarching aim is to ensure that all vehicles on the road are safe to operate.
Where Can Stickers Be Placed?
Given the 40mm rule, where is it safe to place stickers on your windscreen without falling foul of the law? The most common and safest area is typically the top corners of the windscreen, provided the sticker does not extend more than 40mm down from the top edge or 40mm in from the side edge of the windscreen's effective viewing area. However, even this can be tricky.
A more reliable approach is to consider placing stickers on the rear windscreen or on the car's bodywork, such as the rear bumper, boot lid, or wings. These locations do not typically have the same stringent visibility requirements as the front windscreen.
Table: Windscreen Sticker Rules at a Glance
To summarise the key points, here's a quick comparison:
| Item Type | Permitted on Windscreen? | Reasoning |
|---|---|---|
| Decorative Sticker (Large) | No | Exceeds 40mm encroachment, obstructs view. |
| Tax Disc (Old Style) | Yes (Specific Area) | Historically mandated, placed within permitted zones. |
| Sat-Nav Monitor (Mounted on Glass) | No (Likely) | Likely to exceed 40mm, obstructs view. |
| Sun Visor | Yes | Designated driver's aid. |
| Heated Windscreen Elements | Yes | Original vehicle design feature. |
| Small Sticker (e.g., Parking Permit) | Potentially Yes | If it adheres to the 40mm rule and doesn't significantly obstruct view. Check placement carefully. |
Frequently Asked Questions
Q1: Can I put a small sticker in the corner of my windscreen?
A1: You can, provided it does not encroach more than 40mm from the edge of the windscreen and does not significantly obstruct your view of the road. The very top edge, especially in the corners, is generally the safest place, but always ensure compliance.
Q2: What about those 'I heart my car' stickers?
A2: If these are placed on the windscreen and exceed the 40mm limit or obscure your vision, they are not permitted. It's best to place them on the bodywork.
Q3: Are MOT or service stickers allowed?
A3: Historically, MOT discs were placed on windscreens. While the system is now largely digital, any current mandatory or advisory stickers must be placed in a way that complies with the 40mm rule and does not impede vision. Many garages will now place these on a rear window or provide a separate sticker for the dashboard.
Q4: Can I put a sticker on the inside or outside of the windscreen?
A4: The 40mm rule applies regardless of whether the sticker is on the inside or the outside of the glass. The key is the obstruction to your view.
Q5: What if my car came with a sticker already on the windscreen?
A5: If the sticker was a factory-fitted item or a legally required sticker from a previous owner (which should ideally be removed or replaced with a compliant one), it's your responsibility to ensure it meets current regulations. If it encroaches beyond 40mm, it should be removed.
Conclusion: Prioritise Safety and Legality
Personalising your vehicle is a great way to express yourself, but it's essential to do so responsibly. When it comes to your car's windscreen, the 40mm rule is the critical factor. Always err on the side of caution. If you're unsure whether a sticker or any other item complies, it's best to avoid placing it on the windscreen altogether. Opt for alternative locations like the rear windscreen or bodywork to ensure you remain safe, legal, and avoid any unnecessary fines or penalties. Remember, a clear view of the road is not just a legal requirement; it's fundamental to your safety and the safety of others.
If you want to read more articles similar to Car Windscreen Stickers: The Rules, you can visit the Automotive category.