We have been around the block now for a long time in Cardiff. We are an independent garage that has over 20 years’ experience in the trade. We have serviced thousands of cars in our time, and our customers keep coming back because we offer a reliable service at competitive rates. Here is our garage pictured below.

We invest in mechanics that have many years’ experience in the motor trade. Having experienced mechanics makes us one of the most reliable garages in Cardiff.

Our mechanics have grown up in the motor trade and have seen how vehicles have developed over the decades. Meaning we can service the most modern-day vehicles of all brand types.

Our motto has always been there is no job too big or too small for us. If you need a full engine recondition, we can do it, if you need repairs carried out on your electric windows, we can fix them and so much more, it really doesn’t matter what problem you are experiencing we can service your vehicle and be quick about it.

So don’t wait. Get in touch with us in 2026 and let’s discuss your vehicle maintenance needs. We can ensure your vehicle is running smoothly when out on the road. Get in touch using the form or details below to speak with our customer service advisers they will be happy to help.

Contact us

We are an award-winning independent garage. We invest in all of the necessary diagnostics equipment that ensures we pin-point exact faults getting to the heart of the issues with your vehicle.

A1-Diagnostics and ECU Repairs
64 Sloper Road
Leckwith,
Cardiff
CF11 8AB

Tel: (029 20) 220380
Fax: (029 20) 223172

Opening Times

Mon – Fri: 8:00am – 6:00pm

Email: info@a1-diagnostics.com