Jnb Autos Limited
About Jnb Autos Limited
Serving motorists in Porth and across Cardiff, Jnb Autos Limited is a registered UK automotive business. Based at JNB AUTOS GELLIGRON INDUSTRIAL ESTATE, TONYREFAIL, the garage handles everything from routine oil changes and MOT tests to complex mechanical repairs across the full range of car and light van types.
Services
The services available at Jnb Autos Limited cover everything from routine maintenance to complex mechanical repairs:
- Engine diagnostics and fault code reading — warning light investigation, ECU faults and sensor replacement
- MOT testing — DVSA-approved annual roadworthiness inspection
- Full and interim car servicing — oil and filter changes, fluid checks and multi-point inspection
- Brake system inspection and repair — pads, discs, callipers, drums and brake fluid flush
- Electrical system diagnosis and repair — battery testing, alternator checks and wiring faults
- Tyre fitting, puncture repair and wheel alignment
- Clutch replacement and gearbox service
- Exhaust repair and replacement
- Air conditioning recharge and service
Registration & Location
Registered at Companies House as company number 16411979, Jnb Autos Limited is a legitimately registered UK business operating in Porth, Cardiff. The garage typically covers a 20–30 mile service radius, making it accessible to motorists across Cardiff. All data on this page — company name, address and registration details — comes from the Companies House public register.
Ready to book? Use the quote button at the top of this page to describe your vehicle issue and the type of work required. You'll hear back from qualified mechanics within 48 hours, with no obligation to proceed.
Typical car repair costs in Cardiff
The table below shows typical garage charges in Cardiff for 2026. For an accurate quote from Jnb Autos Limited, use the button above.
| Service | Typical cost | Duration |
|---|---|---|
| MOT test | £35 – £55 | 45 min |
| Oil & filter change | £60 – £120 | 30–60 min |
| Full service | £160 – £320 | 3–4 hours |
| Battery replacement | £80 – £180 | 30 min |
| Tyre fitting (per tyre) | £50 – £120 | 20–30 min |
| Exhaust repair | £100 – £350 | 1–3 hours |
| Air con recharge | £50 – £100 | 45 min |
| Wheel alignment | £40 – £80 | 30 min |
Prices are indicative for Cardiff (2025–2026). Actual costs depend on your vehicle. Always get at least 3 quotes before committing.
Car garages in Porth, Cardiff
Drivers in Porth have access to 12 car garages listed in our directory. Getting multiple quotes is easy — and it typically saves 20–30% compared to the first price you're given.
The most frequently booked services in Cardiff include MOT testing, brake repairs, engine diagnostics, oil changes and tyre fitting. Reach out to Jnb Autos Limited for a tailored quote.
Location
FAQ about Jnb Autos Limited
What services does Jnb Autos Limited offer?
Jnb Autos Limited specialises in car repair, MOT testing, servicing and diagnostics. The company provides full vehicle maintenance in Porth and surrounding areas.
How do I get a free quote?
Hit the "Get a free quote" button to send your request. You'll receive a response from qualified local mechanics within 48 hours, at no cost and no obligation.
What is the service area around Porth?
Jnb Autos Limited is based in Porth (CF39 8ES) and typically covers a 20-30 mile radius across the county of Cardiff.
Is Jnb Autos Limited a registered UK business?
Yes — Jnb Autos Limited holds Companies House registration number 16411979. You can verify this directly on the public register.