Bath, Somerset • Mobile service available
Unlock your vehicle's true performance.
Professional ECU remapping, diagnostics, coding, auto electrical and mechanical repairs across Bath, Bristol and the South West.
What we do
Built around better driving.
Dealer-level expertise and practical workshop experience, delivered with straight-talking advice.
ECU Remapping
More responsive power, torque and economy tailored to your vehicle.
02Diagnostics
Pinpoint faults with professional diagnostic equipment and clear answers.
03Coding & Programming
Activate features, replace modules and configure your vehicle correctly.
04Auto Electrical
Expert fault-finding and repair for modern vehicle electrical systems.
05Mechanical Repairs
Reliable maintenance and repair work for cars that need to perform.
06Mobile Services
Selected services brought to you across Bath, Bristol and the South West.
Why Avon Performance
Precision in every detail.
Performance packages
Our remaps. Your advantage.
Every map is chosen for your vehicle and your goals: better power delivery, more torque, improved drivability and fuel economy where possible.
Explore pricingThe Avon approach
Simple, clear, professional.
Tell us about your vehicle
Share its make, model, year and what you would like improved.
Get the right recommendation
We explain the best route and provide a clear quote before work starts.
Drive the difference
Enjoy a carefully completed service and support after the work is done.

What you can expect
Proper advice.
No guesswork.
We keep the important parts visible: the service route, the price position, the expected time and what happens before any work begins.
Get in touch today
Ready for a better drive?
Use the form to request a booking or quote. Include your vehicle registration, make, model and the service you need.
Good to know
Questions before you book?
We keep things clear from the first message. Find answers to the questions drivers ask most, or send us one of your own.
Visit Q&AHow do I get an accurate quote?
Send your registration, make, model and the service you need. If there is a fault, tell us the warning lights or symptoms too. We will check the best route and confirm the price before work begins.
Will a remap suit my vehicle?
We look at your vehicle, its condition and what you want to improve before recommending a package. Every vehicle is different, so a quick conversation comes first.
Are the prices on the website fixed?
They are clear starting prices. The final cost can depend on the vehicle specification, condition, parts required and the work involved. You will know the agreed price before we start.
Do you offer a mobile service?
Yes, for suitable jobs. Mobile call-out is £25 within 15 miles of Bath, then £1 per mile beyond 15 miles, confirmed with you before travel.
What should I bring or send before booking?
Your registration, vehicle make and model, a description of the issue or goal, and any relevant fault-code or warning-light information.
Serving the South West
Bath based.
Ready to help.
Workshop and mobile support for suitable jobs across Bath, Bristol, Somerset and the South West. Mobile call-out is £25 within 15 miles of Bath, then £1 per mile beyond 15 miles, agreed before travel.
Check my areaClear prices
Starting prices are visible and final costs are agreed before work starts.
Vehicle focused
Advice is based on the vehicle, its condition and what you want to achieve.
Mobile where suitable
We confirm the work, location and travel cost before a mobile visit.
