J&m Diagnostics Ltd
About J&m Diagnostics Ltd
Serving motorists in Chelmsford and across Essex, J&m Diagnostics Ltd is a registered UK automotive business. Based at 4 CRESSY QUAY, 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 J&m Diagnostics Ltd 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 16148385, J&m Diagnostics Ltd is a legitimately registered UK business operating in Chelmsford, Essex. The garage typically covers a 20–30 mile service radius, making it accessible to motorists across Essex. 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.
FAQ about J&m Diagnostics Ltd
What services does J&m Diagnostics Ltd offer?
J&m Diagnostics Ltd offers a full range of automotive services in Chelmsford, including MOT testing, car servicing, engine diagnostics, brake repairs and tyre fitting.
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 Chelmsford?
J&m Diagnostics Ltd is based in Chelmsford (CM2 6ZH) and typically covers a 20-30 mile radius across the county of Essex.
Is J&m Diagnostics Ltd a registered UK business?
Yes — J&m Diagnostics Ltd holds Companies House registration number 16148385. You can verify this directly on the public register.
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