An RAC Mobile Mechanic using a diagnostic machine inspecting a car for an alternator repair.A mechanic using a diagnostic machine to inspect a car vehicle engine
Service, Repairs & MOT

Alternator repair in Bromley

Book an RAC Mobile Mechanic and we’ll come to you at home or work.

  • 12-months parts guarantee
  • Honest pricing
  • Exceptional customer service

£452.89

Average price for this repair in Bromley in the last 30 days^

Trustpilot rating for all RAC Mobile Mechanics.

Why choose the RAC for an alternator repair?

With RAC Mobile Mechanics, you can avoid the hassle of taking your vehicle to a garage. They can do an alternator repair on your driveway, so you don't even need to leave the house.

All our alternators are OEM standards, that means we only use parts that meet your vehicle manufacturer’s strict quality criteria, ensuring top quality and reliability. With a 12-month guarantee, you can trust our replacement alternators to last. The price includes fitting – no hidden costs. Just friendly, honest experts.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick in Bromley

We’ll come to you at home or work

RAC Mobile Mechanic in Bromley

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At the RAC, we’ve got over 125 years’ experience in offering complete peace of mind® to our members. We’re best known for our breakdown service. And now – our new RAC Mobile Mechanics are here to help make every day motoring easier. If you need a service or repair, they’ll come to you at your home or work.

An RAC Mobile Mechanic using a diagnostic machine inspecting a car for an alternator repair.

Book an alternator repair

If your car’s battery keeps dying or electrical systems are acting up, it could be a faulty alternator. Your alternator should charge the battery properly, and if it doesn’t, you could need an alternator repair.

We use original equipment manufacturer (OEM) standard parts, which means every new part will be the same standard and same quality as the original part it replaced.
Our mobile mechanics are friendly, honest, and backed by the RAC.
Close up of an RAC Mobile Mechanic running a vehicle diagnostic check

Vehicle diagnostic check

£99

We’ll spend up to 30 mins checking your car’s onboard management system for faults. We’ll talk you through repairs needed and provide a full report. If any further work is needed, we’ll agree this with you before we start. Any additional work after the first 30 minutes will be priced at £20 per 15 minutes. We’ll agree this with you before proceeding.

We’ll look for any mechanical or electrical problems. If we need to, we’ll also check your car’s onboard engine management system. Depending on your car and issue, this will usually include: – Engine – Power steering – Brakes – Transmission – Exhaust system – Fuel injection system – Cooling system and air flow – Sensors
If we detect any issues, we'll talk through what needs to be repaired. We’ll give you a no-obligation quote to fix it on the spot, if we can. Or we’ll recommend a local RAC Approved Garage, and give you a full error report to take there.

Average cost of an alternator repair by car make^

The cost to repair your car alternator will depend on the car you drive. According to RAC data, the average cost to repair a car alternator is £458. But you can check out the average price of an alternator repair for your specific car make here.

Make

Average Price

Ford

£435

Volkswagen

£466

Vauxhall

£436

Nissan

£478

Toyota

£417

BMW

£495

Peugeot

£469

Renault

£477

Mercedes-Benz

£525

Citroen

£445

^Average price quoted for RAC Mobile Mechanics from 01/01/25 to 31/03/25.


And it’s not just alternator repairs that we do in Bromley

Mobile mechanics bring the garage to you, saving you the hassle of getting your car to a garage. If you need a service or repair, they’ll come to you at your home or work.

A close up of an RAC mobile mechanic looking under the hood of a car

Try one of our RAC Approved Garages

Homesdale Motor Traders

Homesdale Motor Traders is a popular and respected garage situated just outside London in Bromley, Kent. Started in 1935 by Mr Fred Craker, Homesdale Motor Traders is still run by his family to date. We are an RAC approved garage and are also members of both the Trust My Garage scheme and the RMI both of which require us to adhere to a strict code of conduct that ensures you, our customer always receives the very best service and advice. We have full body shop facilities and a full range of the latest diagnostic tools and equipment. We also offer a collection and delivery service for those in a 2-mile radius as well as free customer WIFI and 12-months standard warranty on all Labour and Parts we provide. All our technicians and engineers are friendly and fully qualified, you are in safe hands with Homesdale Motors.
Old Homesdale Road, Bromley, BR29LJ

We Fix Any Car Ltd

The Auto Fix Group was founded in 1984 and was originally known as Exhaust Express, later it became necessary for us to become known as ‘We Fix Any Car Ltd’ to better express our full range of capabilities. As the company continued to grow and expand we felt the need to create ‘The Auto Fix Group’ umbrella to cover the wide range of platforms, which are now covered today. Whilst being an ever expanding and leading motor trade organisation in the South East it has managed to remain a family run business which hasn’t lost any of the key values when they set out well over 25 years ago.
Fordmill Road, Catford, London, SE63JH

Kar Klinik SE26

Welcome to Kar Klinik, your trusted automotive service provider since 1999. Located in Sydenham, SE26, our family-run garage is committed to excellence in customer service and quality workmanship. We offer a comprehensive range of affordable car services tailored to meet the diverse needs of drivers throughout Sydenham SE26, Lewisham SE13, Brockley SE4, and the broader South-East London area. Experience the confidence and peace of mind that comes with a reputable garage known for integrity and expertise, dispelling common stereotypes and consistently earning the trust of our clients.
Unit 1, Abbey Trading Estate, London, SE265TW

Clover and Serks

We’re excited to announce the launch of Clover and Serks, your new local destination for expert vehicle maintenance and repairs in Sidcup, Kent! Building on our roots as a passenger transport company, we have now expanded into automotive services to better serve our community. Our location was previously home to Premier Autocentres, a name synonymous with quality since 1968. You are in safe hands, Serks Motorworks has over 30 years’ experience in this industry.
184-214 Blackfen Road, Sidcup, DA158PT

Dundalk Motors London

Dundalk Motors have a reputation throughout South East London for always delivering the very best care, repair, maintenance, MOT services and also for being Volvo specialists. We are proud to be a member of the Good Garage Scheme, giving all customers the peace of mind that Dundalk Motors always has your best interests at heart and operates according to a strict code of conduct. We have fully up to date Main dealer factory trained & ATA technicians on site. We use current Main dealer Software & Computer diagnostic systems to provide a full capability service as you would get at Main dealer. Our staff have been involved with specialist work for up to 28 years, so have all the experience you would expect. We have a very large clientele and returning customers who all rate us very highly. Our experience also enables us to diagnose quickly and be accurate on costs & time expected to complete all work required. Any make or model of vehicle REPAIRED. We are a Volvo registered specialist. We are a member of The Good Garage Scheme. Master Technician(s) on site. “You name it, we do it!” Services Here at Dundalk Motors we have the facilities to offer a large range of services, which include: Diagnostics Air conditioning specialists MOT’s on Motorbikes, Car, Vans, Minibuses. While you wait if required Car sales Tyres and wheel balancing Wheel alignment Welding While you wait service is available on most repairs Services and all repairs Winter and summer safety checks Windscreen Alloy refurbs Bodywork Interior refurbs Plus many other services – Please call or email for further information. We also have a comfortable waiting area with vending services. Tea/coffee, chilled water and free WiFi available.
96A St Asaph Road, London, SE42EL

Frequently asked questions about car alternator repairs

Driving with a bad alternator isn't a good idea. A failing alternator can make the battery drain fast, leading to a breakdown. Electrical parts may also stop working, which can be unsafe. It’s best to get the alternator checked and fixed or replaced as soon as you can.

When the alternator fails, the battery won't charge and will drain. This can make the car stall and prevent it from starting. Electrical parts like lights, radio, and power windows may stop working. Get help from a mechanic right away to avoid more damage.

Alternator reconditioning means fixing an old alternator by replacing worn-out parts. This can be cheaper than buying a new one, but it may not last as long as a new alternator.

The cost of an alternator varies by the type of car and the quality of the alternator. To know exactly how much, you should talk to your local mechanic.

Yes, alternators can be repaired if the damage isn't too bad. If the alternator is very damaged, it may be better to replace it.

Replacing an alternator is often worth it if the alternator is old or very damaged. A new or rebuilt alternator can work better and prevent future problems. Talk to a mechanic to help make the best choice.

Alternators usually last between 80,000 and 150,000 miles. But it can vary based on where and how you drive, and maintenance. Regular check-ups and fixing problems early can help it last longer.

Some alternator repairs or replacements may be covered under the car’s warranty, especially if the car is still new. Check your warranty details or talk to your mechanic to see if it's covered.

They’re often not covered by standard car insurance policies because they're thought to be part of your vehicle's upkeep. But, if it's damaged in an accident, it might be covered.

You need an alternator replacement when it's very damaged or has worn-out parts that can't be fixed. If it's not keeping the battery charged or causes electrical issues, you'll need to replace it.