01/08/2022
The MOT test, or Ministry of Transport test, is an annual examination that ensures your vehicle meets the minimum road safety and environmental standards. It's a legal requirement for most vehicles over three years old in the UK. Failing to have a valid MOT certificate can result in hefty fines and even invalidate your car insurance. This comprehensive guide will walk you through everything you need to know about the MOT test, including what it covers, how to prepare, and what happens if your vehicle doesn't pass.

What is an MOT Test?
The MOT test is not a check of the mechanical condition of your vehicle. It does not test the general wear and tear of components. The MOT test checks that your vehicle meets the minimum road safety and environmental standards. It's a crucial part of ensuring that vehicles on our roads are safe to drive and are not causing excessive pollution. The test is carried out by authorised MOT test centres, which are inspected by the Driver and Vehicle Standards Agency (DVSA).
Why is the MOT Test Important?
The primary reason for the MOT test is to ensure road safety. By regularly checking critical components, the MOT helps to prevent accidents caused by vehicle defects. It also plays a vital role in environmental protection by ensuring that vehicles comply with emissions standards. Furthermore, a valid MOT certificate is a legal requirement to drive your vehicle on public roads. Driving without one can lead to penalties, including fines of up to £1,000 and even your vehicle being seized.
What Does the MOT Test Cover?
The MOT test covers a wide range of components to assess your vehicle's roadworthiness. These include:
Key Components Checked:
- Braking system: Checks the effectiveness and condition of your brakes, including the pedal, fluid, pipes, and the parking brake.
- Fuel system: Ensures the fuel system is safe, with no leaks and that the correct type of fuel is used.
- Tyres: Examines tyre tread depth (a minimum of 1.6mm is required), condition, and that they are the correct type and size for your vehicle.
- Lights: Checks all lights, including headlights, taillights, brake lights, and indicators, for correct operation and condition.
- Steering and suspension: Assesses the condition of steering components, shock absorbers, and suspension parts for excessive wear or damage.
- Windscreen: Checks the windscreen for chips or cracks in the driver's line of sight.
- Wipers and washers: Ensures wipers and washers are working correctly to provide clear visibility.
- Horn: Verifies that the horn operates and is suitable for the vehicle.
- Seatbelts: Checks that seatbelts are present, correctly fitted, and in good condition.
- Body and structure: Examines the vehicle's body for corrosion or damage that could compromise structural integrity.
- Exhaust emissions: Tests the vehicle's emissions to ensure they meet the specified limits for its age and fuel type.
- Doors: Checks that doors open and close correctly and safely.
- Mirrors: Ensures mirrors are present, secure, and in good condition.
- Number plates: Verifies that number plates are present, correctly displayed, and in good condition.
When is Your Vehicle Due for an MOT?
Your vehicle will need its first MOT test when it is three years old. After that, it will need an MOT every year on the anniversary of its first registration if it's a car, van or motorcycle. You can get an MOT up to one month before the current one expires. The new certificate will be valid from the date of the test if it passes, or from the day after your current MOT expires if you take it early.
Preparing Your Vehicle for an MOT
While the MOT test is an inspection and not a service, a little preparation can go a long way in ensuring your vehicle passes first time. Here are some common reasons vehicles fail and how you can prevent them:
Common MOT Failures and How to Avoid Them:
| Common Failure Point | What to Check | How to Prevent |
|---|---|---|
| Lights | All lights must be working and the correct colour. | Check all bulbs, including brake lights and indicators. Clean lenses. |
| Tyres | Tread depth less than 1.6mm, damaged or incorrectly inflated tyres. | Check tread depth with a gauge. Ensure tyres are free from bulges or cuts. Maintain correct tyre pressure. |
| Brakes | Ineffective brakes or worn brake pads/discs. | Listen for grinding noises, check brake pedal feel. Have brakes inspected regularly. |
| Windscreen | Cracks or chips in the driver's field of vision. | Repair small chips promptly; significant damage may require windscreen replacement. |
| Wipers & Washers | Wipers not clearing the screen effectively or washer fluid not spraying. | Replace worn wiper blades. Ensure washer fluid reservoir is topped up. |
| Horn | Horn not working or being too loud. | Check horn operation. |
| Exhaust Emissions | Emissions exceeding the legal limits. | Ensure your vehicle is serviced regularly; a blocked catalytic converter or engine issues can cause high emissions. |
| Body & Structure | Significant corrosion or sharp edges. | Address rust spots before they spread. Ensure no sharp edges are exposed. |
What Happens After the MOT Test?
Once the test is complete, the MOT tester will issue you with a VT20 (pass) or a VT30 (fail) certificate. If your vehicle passes, the certificate will state that it is roadworthy until the expiry date shown. If your vehicle fails, the certificate will list the reasons why. You will then have a choice:
- Leave the test centre without repairing the defects: Your vehicle is not legal to drive until the repairs are made and it passes a re-test.
- Leave the test centre and have the vehicle repaired: You can take your vehicle to be repaired by a garage of your choice. If the repairs are completed before the expiry of your current MOT certificate, you can drive it.
- Have the vehicle repaired at the test centre: If the repairs are minor, they may be able to be carried out at the test centre, and your vehicle can be re-tested on the same day.
MOT Re-tests
If your vehicle fails its MOT, you can have it repaired and re-tested. Depending on the repairs needed and when they are carried out, the re-test might be free or charged at a reduced rate. Generally:
- If you leave the vehicle at the test centre for repair, and it is re-tested within one working day, there is no additional charge.
- If you take the vehicle away for repair and bring it back to the same test centre within 10 working days, you will only have to have specific items re-tested.
- If you take the vehicle away for repair and bring it back after 10 working days, it will require a full MOT test again.
Can I Drive My Car Without a Valid MOT?
Generally, no. If your MOT has expired, your car is not legally allowed on the road, except for specific circumstances:
- You are driving to a pre-booked MOT appointment.
- You are driving to a place of repair after failing an MOT.
In both these cases, you must ensure you have proof of your appointment or repair booking. Driving without a valid MOT outside these exceptions can result in a fine of up to £1,000.
Finding an MOT Test Centre
When looking for an MOT test centre, it's important to choose a reputable one. You can find authorised centres through the government's official website. For example, the Leicester City Council MOT Centre at 17 Lower Willow Street, LE1 2HP, is a facility that can perform MOT tests on various vehicle types, including cars, 3-wheeled vehicles, motor caravans, quads, dual-purpose vehicles, and goods vehicles up to a certain weight. Always check the categories of vehicles a centre is authorised to test.
Frequently Asked Questions
Q: How much does an MOT test cost?
A: The maximum fee a test centre can charge for an MOT test varies depending on the type of vehicle. For cars, the maximum fee is £54.85. Test centres can charge less, but not more.

Q: What is the difference between an MOT and a service?
A: An MOT is a legal safety and environmental inspection. A service is a routine maintenance check that involves changing fluids, filters, and checking components for wear and tear to keep the vehicle running smoothly.
Q: Can I check if my car has a valid MOT?
A: Yes, you can check your vehicle's MOT status online using your vehicle's registration number on the GOV.UK website.
Q: What happens if my MOT expires tomorrow?
A: You can get an MOT up to one month before your current one expires. If you get it done early, the new expiry date will be 12 months from the original expiry date, not the date of the test. This means you won't lose any time on your current MOT.
Q: Can I refuse to pay for an MOT if my car fails?
A: You are not legally obliged to have repairs done at the test centre. You can take your vehicle elsewhere for repairs. However, you will still need to pay for the original test and any subsequent re-tests.
Ensuring your vehicle has a valid MOT is a fundamental responsibility for all car owners. It's a vital step in maintaining road safety and protecting the environment. By understanding what the test entails and preparing your vehicle accordingly, you can make the process smoother and keep your car legally on the road.
If you want to read more articles similar to Your Guide to the MOT Test, you can visit the Automotive category.
