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Everyday Driving Errors That Could Cost You Dearly

Car | Published on: 7 October 2025 | Updated on: 15 October 2026

10 Easily Overlooked Driving Rules That Could Lead to Fines, Penalty Points or Higher Insurance Costs

You don't have to be driving recklessly to find yourself on the wrong side of the law. Sometimes, it's the smaller things we overlook during everyday journeys that can result in an unexpected penalty.

Perhaps you've packed the car a little too heavily for a family holiday, forgotten to change the address on your driving licence, or allowed your number plate to become covered in road dirt. These might seem like minor oversights, but some can carry substantial fines.

And where a driving offence results in penalty points or a conviction, the consequences could extend to your car insurance too.

So, how well do you know the less obvious rules of the road? Here are ten driving mistakes worth avoiding, including what the law says, the penalties you could face and how to stay on the right side of the rules.


1. Carrying More Weight Than Your Vehicle Allows

Potential penalty: £100–£300 fixed penalty, with more serious cases potentially resulting in prosecution.

Planning a trip to the tip or loading the car for a holiday? Before squeezing in another suitcase, it's worth considering just how much weight your vehicle can safely carry.

All vehicles have a maximum permitted weight, which includes the vehicle itself, its passengers, fuel, luggage and anything else being transported.

Exceeding the Maximum Authorised Mass (MAM), or an individual axle weight limit, can make your vehicle harder to handle and increase the distance needed to stop safely.

The Driver and Vehicle Standards Agency (DVSA) operates graduated penalties for overloading. These generally range from £100 to £300, depending on the extent of the overload. More serious offences may be referred to court.

You could also be prohibited from continuing your journey until the excess weight has been removed.

Worth remembering: Check your vehicle handbook or weight plate before transporting heavy items. If you're towing a trailer or caravan, remember to check the relevant towing and combined weight limits too.


2. Driving With Items That Haven't Been Secured Properly

Potential penalty: Enforcement action, fines or penalty points, depending on the circumstances and offence.

A few boxes in the boot, furniture strapped to the roof or garden materials loaded into a van might not seem particularly hazardous.

However, sudden braking or a sharp turn can cause unsecured items to shift, potentially affecting control of the vehicle or creating a danger for other road users.

Highway Code Rule 98 states that drivers must ensure loads are properly secured and do not project dangerously.

Depending on the circumstances, an insecure load could lead to enforcement action or prosecution. Where the vehicle is considered to be in a dangerous condition, more serious penalties, including points, may apply.

Worth remembering: Use suitable straps or restraints for heavier items, check roof boxes and racks before travelling, and make sure nothing can fall from your vehicle. Take particular care when carrying unusually shaped or bulky loads.


3. Allowing Luggage or Accessories to Obstruct Your View

Potential penalty: Up to £1,000 and three penalty points for failing to maintain proper control or a full view of the road and traffic ahead.

Have you ever loaded the boot so high that you couldn't see through the rear window?

Contrary to what some drivers believe, a blocked rear window doesn't automatically mean you're breaking the law.

After all, many vans and other vehicles are designed without a conventional rear window. What's important is having the legally required mirrors and sufficient visibility to drive safely.

However, the situation is different when something obstructs your view of the road ahead or prevents you from maintaining proper control.

A sat nav positioned in the wrong place, decorations hanging across the windscreen or luggage extending into your forward view could all create problems.

Failing to have proper control or a full view of the road and traffic ahead can result in a maximum fine of £1,000 and three penalty points.

Worth remembering: Position navigation devices carefully, avoid unnecessary obstructions around your windscreen and ensure your mirrors provide the required view. If your rear window is blocked, take extra care when reversing or manoeuvring.


4. Putting Off Replacing Worn Tyres

Potential penalty: Up to £2,500 and three penalty points for each illegal tyre on a car.

Tyres are easy to overlook, particularly when they appear to be in reasonable condition at first glance.

But even a tyre that looks acceptable could have insufficient tread, uneven wear or damage that makes it unsafe.

For cars and light vans, the legal minimum tread depth is 1.6mm across the central three-quarters of the tyre and around its entire circumference.

A driver found using illegal tyres could face a fine of up to £2,500 and three penalty points for each affected tyre.

If all four tyres were illegal, that could potentially mean £10,000 in fines and twelve penalty points.

And there's more to tyre safety than tread depth. Damage, incorrect inflation and other defects can also make a tyre unsafe.

Worth remembering: Check your tyres regularly, paying attention to tread depth, pressures, cuts and bulges. Don't assume a valid MOT means your tyres will remain roadworthy until the next test.


5. Assuming Passengers Are Responsible for Their Own Seatbelts

Potential penalty: Up to £500 for relevant seatbelt offences.

Most people automatically fasten their seatbelt when getting into a car. But the rules about who is responsible for passengers aren't always as well understood.

Drivers must generally wear a seatbelt where one is fitted, unless a legal exemption applies.

Passengers aged 14 and over are normally responsible for wearing their own seatbelts.

However, if you're driving with children under 14, it's your responsibility to ensure they're using an appropriate child restraint or seatbelt.

Children normally need a suitable car seat until they reach 135cm in height or their 12th birthday, whichever comes first.

Failure to follow the relevant requirements can result in a fine of up to £500.

There are exceptions, including certain medical exemptions and rules relating to vehicles originally manufactured without seatbelts, such as some classic cars.

Worth remembering: Before starting your journey, make sure children are correctly restrained and check that everyone else is wearing their seatbelt where required.


6. Picking Up Your Phone While Stationary in Traffic

Potential penalty: £200 fixed penalty and six points, or a maximum court fine of £1,000 (£2,500 for lorry and bus drivers).

You're waiting at a red light when your phone lights up with a message. You're not moving, so surely a quick glance won't matter?

Unfortunately, that assumption could be costly.

The law prohibits holding and using a mobile phone or another device capable of sending or receiving data while driving. This includes checking messages, taking photographs, browsing online or changing music.

Importantly, the restriction still applies when you're stopped at traffic lights, queuing in congestion or using a vehicle with an automatic stop-start system.

There are limited exceptions, including calling the emergency services when it's unsafe or impractical to stop, making a contactless payment while stationary, and using an approved remote-parking function.

Hands-free use is permitted, but only if you remain in proper control of the vehicle.

Worth remembering: Prepare your route and music before leaving. If you need to use your phone, find somewhere safe to park rather than reaching for it in traffic.


7. Forgetting to Change the Address on Your Driving Licence

Potential penalty: Up to £1,000.

When moving home, it's easy to remember your bank, utility providers and perhaps even your insurance company, but what about the DVLA?

If your address changes, you must notify the DVLA and update your driving licence.

Failing to do so can result in a fine of up to £1,000.

Your driving licence isn't the only document to think about, either. The address on your vehicle's V5C registration certificate needs updating separately.

It's also worth keeping an eye on the expiry date of your photocard licence, which generally needs renewing every ten years. Remember that photocard expiry and the underlying entitlement to drive are different matters.

Worth remembering: Add your driving licence, vehicle log book and motor insurance details to your moving-house checklist. Updating your driving licence address through GOV.UK is free.


8. Parking Partly on the Pavement Without Checking the Rules

Potential penalty: A parking penalty or other enforcement action, depending on local restrictions and the circumstances.

Finding somewhere to park on a narrow residential road can be frustrating. Sometimes, leaving two wheels on the pavement might seem like the best way to avoid blocking passing traffic.

But depending on where you're parking, you could be breaking the law.

In London, pavement parking is generally prohibited unless a specific exception or exemption applies.

Scotland also has a general prohibition on pavement parking, subject to limited exceptions and exemptions.

Elsewhere in England and Wales, the position is different. Pavement parking isn't universally prohibited in the same way, although local restrictions and laws relating to obstruction can still apply.

There has also been a legislative development in England.

The English Devolution and Community Empowerment Act 2026 introduced provisions allowing regulations that would give English local transport authorities powers to prohibit parking on pavements and verges in their areas.

This establishes a framework for additional local restrictions rather than introducing an immediate blanket ban across England.

The consequences of unlawful pavement parking depend on the rules being enforced and the location.

Worth remembering: Always look for parking restrictions and avoid leaving your vehicle where it obstructs pedestrians, wheelchair users or pushchairs, even if doing so leaves more room for other vehicles.


9. Reaching Six Penalty Points During Your First Two Years of Driving

Potential consequence: Automatic licence revocation under the new driver rules.

For someone who has only recently passed their driving test, a single motoring offence can have particularly serious consequences.

Under the Road Traffic (New Drivers) Act 1995, drivers who accumulate six or more penalty points within two years of passing their first driving test will have their licence revoked.

For example, using a handheld mobile phone while driving normally results in six points, enough to trigger revocation for a newly qualified driver.

Any unexpired penalty points acquired on a provisional licence can also carry over after passing the practical test.

If your licence is revoked, you'll need to apply for a new provisional licence and pass both the theory and practical tests again to regain your full driving entitlement.

Revocation under these rules is different from being disqualified by a court, although both can prevent you from driving.

Worth remembering: If you're a new driver, pay particular attention to the consequences of offences carrying three or six points. Your driving record during the first two years can determine whether you keep your full licence.


10. Driving With Dirty, Damaged or Incorrect Number Plates

Potential penalty: Up to £1,000.

Your vehicle's registration plates probably aren't something you think about every day, but they must remain clearly visible and comply with legal requirements.

During autumn and winter, road spray and mud can quickly cover a registration plate, making it difficult to read.

And it's not only dirt that can cause problems.

Damaged plates, incorrectly spaced characters or personalised registrations altered to resemble names or words may also fail to meet the legal standards.

Government guidance states that driving with incorrectly displayed number plates can result in a fine of up to £1,000 and an MOT failure.

Number plates must meet the applicable requirements for character size, style, spacing and colour. There are also specific rules for replacement plates and the identification markings they must carry.

If you have a personalised registration, it's particularly important not to alter the spacing or appearance of the characters.

Worth remembering: Check that your number plates are clean, undamaged and clearly readable. If you need replacements, use a registered number plate supplier and make sure the plates comply with the legal standards.


Could These Driving Mistakes Affect Your Car Insurance?

Some driving errors result in a fine without penalty points, while others can lead to an endorsement on your driving record or a driving conviction.

When arranging car insurance, insurers may consider your driving history as part of assessing the risk and calculating your premium.

This means certain motoring convictions could result in a higher insurance premium, different policy terms or fewer insurers being willing to offer cover.

However, not every fine will affect your insurance, and receiving penalty points doesn't automatically mean your premium will increase by a particular amount.

The impact depends on several factors, including the type of offence, your driving record and the insurer's underwriting criteria.

### Do you need to declare penalty points to your insurer?

When applying for or renewing car insurance, you must answer questions about your driving history accurately and take reasonable care not to make a misrepresentation.

If you receive a conviction or penalty points during your current policy, check your policy terms to see whether your insurer requires you to report the change immediately or at renewal.

Some driving endorsements stay on your DVLA record for four years, while others remain for eleven years. Insurers may ask about convictions over a particular period, so it's important to answer the questions you're actually asked.

Keeping your insurer informed of relevant changes helps ensure your policy information remains accurate.

[Official guidance: DVLA – How long endorsements remain on your driving record](https://www.gov.uk/penalty-points-endorsements/how-long-endorsements-stay-on-your-driving-licence)


A Few Checks Today Could Save You Money Tomorrow

Nobody wants an unexpected fine, especially when the mistake could have been avoided with a little preparation.

From checking your tyres and securing luggage to keeping your documents up to date, these everyday precautions can make a difference to road safety and help you avoid unnecessary penalties.

Staying familiar with the Highway Code is worthwhile too, particularly when driving rules and local restrictions change.

And if you do receive penalty points or a motoring conviction, understanding your insurance obligations can help you avoid further complications.


Looking for car insurance?

At Grove & Dean, we offer a range of motor insurance options to suit different vehicles and requirements. Whether you're insuring your everyday car or exploring cover for something more specialist, you can find out more about our available policies and request a quotation.


Frequently Asked Questions About Driving Fines and Penalty Points


What driving mistakes can result in penalty points?

Offences such as using a handheld mobile phone, driving with illegal tyres or failing to maintain proper control of your vehicle can result in penalty points. Other offences, such as failing to wear a seatbelt, generally carry fines rather than points. The penalty depends on the specific offence and circumstances.


Can you be fined for driving with a dirty number plate?

Yes. Registration plates must be displayed correctly and remain readable. If dirt or damage obscures your registration, you could face enforcement action. Incorrectly displayed number plates can result in fines of up to £1,000.


Is it illegal to drive with luggage blocking your rear window?

Not necessarily. A blocked rear window isn't automatically an offence provided your vehicle complies with the applicable mirror requirements and you can drive safely. However, anything obstructing your view of the road ahead or compromising vehicle control could lead to penalties.


How many penalty points can you have before losing your licence?

Drivers can normally face disqualification if they accumulate twelve or more points within three years. However, drivers within two years of passing their first test are subject to separate rules and will have their licence revoked if they reach six points.


Will three penalty points make my car insurance more expensive?

They might. Insurers consider the type of offence, your driving history and other risk factors when calculating premiums. Three penalty points won't necessarily affect every driver's insurance in the same way.


Do you need to tell your insurer about a driving conviction straight away?

That depends on your policy terms and the information your insurer requires. Some policies require notification during the policy period, while others ask for updated information at renewal. Check your documents and contact your insurer if you're unsure.


Is parking on the pavement illegal throughout the UK?

No. London and Scotland generally prohibit pavement parking, subject to exceptions. In other areas, restrictions vary and parking that causes an obstruction may still result in enforcement action. New legislation in England also provides a framework for further local restrictions.


Does a valid MOT mean my tyres are legal?

Not necessarily. An MOT confirms that your vehicle met the applicable test requirements at the time of inspection. You're responsible for keeping it roadworthy between tests, including ensuring your tyres meet the legal tread-depth and condition requirements.


Sources and Further Reading

The information in this article is based on official UK Government guidance, the Highway Code and relevant road traffic legislation.

For more detailed information about the rules and penalties, visit:

Information reviewed October 2026. Driving rules, penalties and enforcement arrangements can vary according to the offence, circumstances and location. The information above primarily concerns Great Britain; some rules and procedures differ in Northern Ireland. Always refer to current official guidance.

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