Diag Demon Ltd
About Diag Demon Ltd
Diag Demon Ltd is a car garage and vehicle repair specialist based in Corby (NN17 1EZ), in the county of Northamptonshire, England. The garage serves motorists across Corby and the surrounding Northamptonshire area, providing professional vehicle maintenance and repair for all makes and models — from family hatchbacks and saloons to SUVs, 4x4s, light vans and commercial vehicles.
Services
The services available at Diag Demon 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 16708117, Diag Demon Ltd is a legitimately registered UK business operating in Corby, Northamptonshire. The garage typically covers a 20–30 mile service radius, making it accessible to motorists across Northamptonshire. 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 Diag Demon Ltd
What services does Diag Demon Ltd offer?
Services at Diag Demon Ltd 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 Corby?
Diag Demon Ltd is based in Corby (NN17 1EZ) and typically covers a 20-30 mile radius across the county of Northamptonshire.
Is Diag Demon Ltd a registered UK business?
Yes — Diag Demon Ltd holds Companies House registration number 16708117. You can verify this directly on the public register.
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