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NCT Full Guide (2025)

The National Car Test (NCT) is a mandatory vehicle inspection program in Ireland, designed to improve road safety and reduce harmful emissions. Carried out by the National Car Testing Service (NCTS), the test assesses various aspects of a vehicle’s condition to make sure that it meets the required safety and environmental standards here in Ireland.

When Is the NCT Due?

The frequency of the NCT depends on your vehicle’s age:

  • 4 to 9 years old: NCT is due very 2 years.
  • 10 years and older: NCT is due Annually.

You can check your vehicle’s NCT due date using the NCT Checker.

How to Book Your NCT

Booking your NCT is straightforward:

  1. Online: Visit www.ncts.ie to book an appointment.
  2. Phone: Call 01 413 5992.

If no appointments are available within 28 days, you can request to be placed on a priority list. 

What Does the NCT Test Cover?

The NCT carries out a comprehensive inspection of your vehicle, including:

  • Brakes: Functionality and balance.
  • Suspension and Steering: Condition and performance.
  • Tyres and Wheels: Tread depth (minimum 1.6mm), condition, and alignment.
  • Lights and Indicators: Operation and alignment.
  • Exhaust and Emissions: Compliance with environmental standards.
  • Seatbelts: Presence, condition, and operation.
  • Chassis and Underbody: Structural integrity and corrosion.
  • On-Board Diagnostics (OBD): Electronic systems check.

How Much Does the NCT Cost?

As of 2025, the fees are:

  • Full Test: €60.
  • Re-test: €40 (if test equipment is required).
  • Visual Re-test: Free (for minor visual faults).

Note: If you cancel or reschedule your appointment with less than five working days’ notice, a surcharge of €24 applies.

Preparing for the NCT: Essential Checklist

Proper preparation can increase your chances of passing the NCT on the first attempt. Here’s what you should do:

  1. Check Fluid Levels: Ensure oil and coolant are at appropriate levels.
  2. Clean Your Vehicle: Both interior and exterior, including the underbody.
  3. Inspect Tyres: Check for adequate tread depth and correct pressure.
  4. Test Lights and Indicators: Ensure all are functioning correctly.
  5. Remove Hubcaps: If they cover wheel nuts.
  6. Clear the Boot and Seats: Remove personal items and ensure seatbelts are accessible.
  7. Unlock Glove Compartment: For OBD access.
  8. Bring Necessary Documents: Vehicle registration certificate and a valid ID (e.g., driving licence).
  9. Turn Off Dashcams: Recording devices are prohibited during the test.

Common Reasons for NCT Failure

Understanding common failure points can help you address issues beforehand:

  • Headlamp Aim: Misaligned headlights are a frequent cause of failure.
  • Brake Performance: Inefficient braking systems.
  • Suspension Issues: Worn or damaged components.
  • Tyre Defects: Insufficient tread depth or damage.
  • Emissions: Exceeding permissible limits.

What Happens After the Test?

After the NCT, you’ll receive a Vehicle Inspection Report detailing the results:

  • Pass: Your vehicle meets the required standards.
  • Minor Faults: Vehicle passes, but issues should be addressed.
  • Fail: Significant issues found; repairs needed before re-test.
  • Dangerous: Serious defects; vehicle must not be driven until repaired.

You have 30 days to rectify any issues and present the vehicle for a re-test.

Consequences of Not Having a Valid NCT

Driving without a valid NCT certificate is illegal and can result in:

  • Fines: €60 if paid within 28 days; €90 if paid within the next 28 days.
  • Penalty Points: Three points on your driving licence.
  • Court Appearance: If fines are unpaid, leading to additional penalties.

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