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National Car Test (NCT) Why?

Safety picture for small cars and vans

The National Car Test (NCT) is a preventative road safety measure that ensures vehicles using Irish roads are subject to a basic safety check at regular intervals. Find further information about the test including what the test examines and important recent updates.

Booking an NCT

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There are 47 NCT test centres located throughout Ireland established solely for the purposes of car testing. Find the centre that is most convenient to you.

From July 28, 2014, car owners and members of the motor trade will be able to book an NCT test at any point prior to their next mandatory test. Previously, NCT tests could only be booked within 90 days of a vehicle’s test due date or 180 days in the case of a first NCT. From 28 July 2014, any test undertaken more than 90 days in advance of the test due date will be a voluntary early test and the test due date will be reset to the one or two year anniversary of the successful test (depending on the age of the vehicle).

Booking options

When your car is due to be tested, you must book with the NCTS: they will then send you an SMS, email or letter with details of your test appointment.

You may book your NCT by any if the following methods


Phone: 01 4135992 from 8am to 8pm (Mon-Thurs) and 8am to 6pm (Fri)


Fax bookings: (01) 413-5982 (please remember to quote your booking ID and telephone number, if available).

Postal bookings:

The Booking Department

National Car Testing Service Ltd

Citywest Business Campus

Lake Drive 3026

Naas Road

Dublin 24

If writing, please remember to quote your booking ID and telephone number, if available.



The car test fee is €55 (inclusive of VAT). NCTS will accept cash, debit cards and all major credit cards (excluding American Express).

The fee for a re test is €28 if the use of a test lane is required. A re-test that doesn’t require the use of a test lane or requires the use of test equipment for the purposes of carrying out an inspection of tyres only isfree of charge.

Note: If you wish to cancel or rearrange a test you must give the NCTS five working days’ notice (not including the day of the test). If you give less notice than this a €22 surcharge (€11.50 in the case of a retest) will beapplied. From July 28, 2014 customers who repeatedly fail to present their vehicle for testing, without giving the required notice, will be presented with a €22 surcharge (€11.50 for a re-test) on each occasion that an appointment is missed.

Any queries relating to the cancellation fee may be made in writing to the Customer Service Department, National Car Testing Service, Lake Drive 3026, Citywest Business Campus, Naas Road, Dublin 24.

What the test examines

During the NCT, specific items are checked and tested. These include:

  • Brakes
  • Exhaust emissions
  • Wheels and tyres
  • Lights
  • Steering and suspension
  • Chassis and underbody
  • Electrical systems
  • Glass and mirrors
  • Transmission
  • Interior
  • Fuel system

You can view a full list of the items which are covered in the National Car Test in the newly revised National Car Test (NCT) Manual 2014 (PDF).

Note: the tests undertaken by the NCT evolve over time as industry safety technologies improve and new safety concerns arise. A number of new test items were introduced in April 2010, January 2012 and July 2014.

Benefits of testing

  • Safer, more reliable cars
  • Longer vehicle service life
  • Reduced fuel consumption
  • Reduced air and noise pollution
  • Avoidance of penalty points. Since 1 May 2009, you can receive penalty points for not having a valid NCT.

Pass rates & Statistics

When testing was first introduced, less than 4% of vehicles passed at the first attempt compared to over 76% in 2012 for cars that are four years old. This figure falls to around 50% for eight-year-old cars and 40% for vehicles of nine years old. View the full report of NCT results for 2007 to 2013 (PDF) 

Main Fail Items

The top five fail items in 2013 are as follows:

  1. Front Suspension
  2. Tyre Condition
  3. Brake Line/Hoses
  4. Stop Lamps
  5. Steering linkage

Fail Dangerous

Where a vehicle has a dangerous defect i.e. a defect that constitutes a direct and immediate risk to road safety such that the vehicle should not be used on the road under any circumstances, the NCT vehicle inspector will issue a Failed Dangerous result.

It is an offence to drive a dangerously defective vehicle on the public road.  The penalty for such an offence is a fine of up to €2,500 and 5 penalty points on conviction and/or 3 months imprisonment, (Offence under Section 54 of the Road Traffic Act 1961 and related amendments).

When the result is Failed Dangerous the NCT vehicle inspector will advise you as follows:

  • Of the existence, extent and nature of the defect.
  • That if you drive a mechanically propelled vehicle in a public place while there is a defect affecting the vehicle which you know of or could have discovered by the exercise of ordinary care and which is such that the vehicle is, when in motion, a danger to the public, you shall be guilty of an offence.
  • That in the opinion of NCTS the vehicle is dangerous.
  • That you must make arrangements to have the vehicle removed from the test centre.

A sticker stating “Failed Dangerous” will be attached to the vehicle and the vehicle inspector will issue you with a statement regarding requirements for vehicles with a failed dangerous result.


All re-tests must be booked within 21 days of the initial test.  The fee for a re-test is €28 if the use of a test lane is required. A re-test that doesn’t require the use of a test lane or requires the use of test equipment for the purposes of carrying out an inspection of tyres only is free of charge, e.g. where minor visual items are concerned, such as replacement of windscreen wiper and registration plates.

Re-tests must be completed within 30 days of the initial test or a full test will need to be repeated and charged accordingly.

From July 28, 2014, customers who fail to present their vehicle for a retest appointment, without giving prior notice, will be issued with an €11.50 cancellation fee on each occasion that a retest is missed. Previously, a single €11.50 cancellation fee for a retest was applied if one or more tests were missed. Owners who repeatedly book and then fail to show up to tests, without giving prior notice, prevent others from booking tests at times that are convenient to them.

New NCT Regulations

Legislation governing the mandatory testing of cars has been consolidated into The Road Traffic (National Car Test) Regulations 2014, S.I. 322 of 2014 (PDF).

Previous regulations; specifically, The Road Traffic (National Car Test) Regulations 2009 (S. I. No. 567 of 2009), and various amendments in SIs 623/2011, 711/2011, 103/2012, 104/2012, 10/2013 and 303/2013 have been revoked.



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