Trefnant Garage Limited
About Trefnant Garage Limited
Serving motorists in St. Asaph and across Gwynedd, Trefnant Garage Limited is a registered UK automotive business. Based at UNIT 102 BOWEN COURT, ST ASAPH BUSINESS PARK, 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
Trefnant Garage Limited provides a comprehensive range of automotive services to keep your vehicle roadworthy and running efficiently, including:
- MOT testing — the mandatory annual roadworthiness inspection required under UK law for vehicles aged 3 years and over
- Full and interim car servicing — oil and filter changes, fluid tgc-ups, spark plug replacement and multi-point safety checks
- Brake inspection and repair — pads, discs, callipers and brake fluid flush
- Engine diagnostics — fault code reading, warning light investigation and engine repair
- Tyre fitting, balancing and wheel alignment
- Clutch and gearbox repairs
- Exhaust system repair and replacement
- Air conditioning service and recharge
- Battery testing and electrical fault finding
Registration & Location
Trefnant Garage Limited operates from St. Asaph (LL17 0JE), typically covering a service radius of 20–30 miles across Gwynedd. The business is registered at Companies House under company number 07634036, confirming its status as a legitimately registered UK business operating in the automotive maintenance and repair sector. All data displayed on this profile — including the company name, registered address and incorporation details — is sourced directly from the Companies House public register, published under the UK Open Government Licence.
To request a free, no-obligation quote for your vehicle repair or service in St. Asaph, use the button at the top of this page. Describe your vehicle issue and the type of work required, and our partner network will connect you with qualified mechanics who can respond within 48 hours.
Typical car repair costs in Gwynedd
The table below shows typical garage charges in Gwynedd for 2026. For an accurate quote from Trefnant Garage Limited, use the button above.
| Service | Typical cost | Duration |
|---|---|---|
| MOT test | £35 – £55 | 45–60 min |
| Interim service | £85 – £160 | 1–2 hours |
| Major service | £200 – £350 | 3–5 hours |
| Brake pads replacement | £100 – £220 | 1–2 hours |
| Suspension repair | £150 – £400 | 2–4 hours |
| Head gasket replacement | £500 – £1,500 | 6–10 hours |
| Engine diagnostic | £40 – £90 | 30–60 min |
| Gearbox service (auto) | £150 – £300 | 2–3 hours |
Prices are indicative for Gwynedd (2025–2026). Actual costs depend on your vehicle. Always get at least 3 quotes before committing.
Car garages in St. Asaph, Gwynedd
Drivers in St. Asaph have access to 24 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 Gwynedd include MOT testing, brake repairs, engine diagnostics, oil changes and tyre fitting. Reach out to Trefnant Garage Limited for a tailored quote.
Location
FAQ about Trefnant Garage Limited
What services does Trefnant Garage Limited offer?
Services at Trefnant Garage Limited include MOT testing, full and interim car servicing, engine diagnostics, brake and tyre work, and general vehicle repairs for all makes and models.
How do I get a free quote?
Click the "Get a free quote" button at the top of this page. Describe your vehicle issue and receive a response within 48h, no obligation.
What is the service area around St. Asaph?
Trefnant Garage Limited is based in St. Asaph (LL17 0JE) and typically covers a 20-30 mile radius across the county of Gwynedd.
Is Trefnant Garage Limited a registered UK business?
Yes — Trefnant Garage Limited holds Companies House registration number 07634036. You can verify this directly on the public register.