MOT
£39.99
Mention this website when you book.
AA & RAC approved garage · Cardiff
MOTs, repairs and no surprises.
Hypertonic Repair Shop - MOTs, servicing, diagnostics and repairs in Cardiff. All makes and models welcome.
Why drivers trust us
- AA Approved Garage
- RAC Approved Garage Network
- ★★★★★Rated 5 stars by our customers
What we do
MOT
Annual MOT testing for cars and small vans.
Servicing
Full and interim servicing for all makes.
Diagnostics
Engine management and fault-code diagnostics.
Brakes
Pads, discs and brake repairs.
Tyres
Supply, fitting and puncture repairs.
Exhausts
Exhaust checks, repairs and replacement.
Batteries
Batteries tested, supplied and fitted.
Tuning
Engine tuning and performance checks.
Pre-MOT checks
Know before you go — avoid a failed test.
Pre-purchase checks
Buying used? We’ll look it over first.
Website offers
MOT with any service
£10
Add an MOT to any full or interim service.
Mention this website when booking. Valid until 1 September 2027. Not to be used with any other offer.
Straightforward prices
- MOTweb offer
- £39.99
- Oil & filter change
- from £80
- Full service
- from £135
- Anything else
- Call for a quick quote
“From” prices vary by vehicle.
Around the workshop
What customers say
★★★★★ Booked an MOT online in the morning and the car was done by lunch. No upselling, no jargon — just a quick call to say it had passed.
— Sarah T. ★★★★★ My van threw a warning light on the way to a job. They plugged it in, found the fault and had me back on the road the same day. Lifesavers.
— Dave M. ★★★★★ Honest garage. They told me my brakes had another 10k miles in them rather than replacing them for the sake of it. That's why I keep coming back.
— Rhian W. ★★★★★ Had two tyres supplied and fitted while I waited with a coffee. Fair price, friendly bunch, and they even checked the spare without being asked.
— Owen P. ★★★★★ Used the pre-purchase check before buying a used Fiesta for my daughter. Thorough report with photos — saved us from a car with hidden rust.
— Claire H. ★★★★★ Full service and MOT done together on the website offer. They sent photos of the work as they went. Best garage experience I've had in Cardiff.
— James L. ★★★★★ Squeezed me in for a battery on a freezing Monday morning when nowhere else would answer the phone. Fitted and tested in twenty minutes.
— Priya K. ★★★★★ Proper old-school service. They explain what needs doing now and what can wait, and the bill matches the quote every time.
— Mark E.
Opening times
- Monday – Friday
- 8:30 am – 5:00 pm
- Saturday
- 8:30 am – 3:00 pm
- Sunday
- Closed
Find us & book in
Birchgrove, Cardiff
By Birchgrove railway station
What happens next
- 1Tell us what the vehicle needs
- 2We call you back during opening hours
- 3We book you in, no surprises on the day