Car Battery Replacement Harrow

Same Day Service Monday To Saturday

Open Monday to Saturday, our Bosch approved car garage provides a same day car battery repair and replacement service in Harrow, for all makes and models.

All work is carried out by Bosch and IMI accredited technicians, using genuine parts according to manufacturer’s specifications, without affecting warranty.

Your car battery is used to start your vehicle. It is rechargeable and although it uses up its charge when you first switch on the ignition, it recharges while you drive. Flat batteries – those that have no charge in them – are one of the most common reasons for breakdown calls in the UK.

Our car battery repair and replacement service centre in Harrow is in easy reach for those in and around Harrow, Stanmore, Pinner, Northwood, Ruislip, Hatch End, Wealdstone, Headstone Lane, Rayners Lane, Northolt and surrounding North West London areas.

How Often To Change A Car Battery?

Car batteries usually last between three and five years, though this depends on how often and how far the car has been driven.

Commons Signs Car Batteries Need Replacing

There are several common indicators that your battery needs replacing. These include:

Difficulty starting the car: a very common sign. If it takes you longer than usual to start the engine, or you need a few turns of the ignition, you may need a battery replacement.
Loss of power: if your lights or indicators fail, or your radio or heater doesn’t work, this could be a sign of a failing battery.
Dashboard lights: every dashboard has a battery indicator. If yours remains on, that’s a sure fire sign that your battery is not well.

Free Car Battery Check

Not sure about the condition of your car battery? Book a check at our car battery repair and replacement service centre in Harrow, where one of our Bosch accredited technicians will carry out a full inspection of your car battery and in-car battery charging system completely free of charge.

Free 1-Year Additional Guarantee (Parts & Labour)

All work we carry out comes with a FREE 1-year or 12,000 miles (whichever comes first) parts and labour guarantee. That’s on top of the standard manufacturer’s guarantee.

Repair Now, Pay Later

Thanks to Payment Assist, we are able to provide a repair now, pay later service for all those urgent repairs that cannot wait. Contact us today to learn more about this service.

For Car Battery Repairs, call us on 020 8863 5220 or send us a message

Opening Times

Mon - Fri: 8.30am - 5.30pm | Sat: 8.30am - 1pm

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Message

CONTACT US

Send us a message using the form below.
We typically reply within 60 mins (during office hours). Alternatively, you can call us on 020 8863 5220 (local rate).

Cardoc were able to attend to my car at short notice. They were upfront and transparent about the pricing and time taken to be fixed and exceeded expectations. Happy with the service received and would use again.

Nirav D (Google Review)

WHY CHOOSE CARDOC?

9/10 Recommend Us

Bosch Approved
Garage

We're a proud member of the Bosch Car Service network of independent garages delivering high quality vehicle servicing, maintenance, and repairs for all makes and models

1 Year Additional
Guarantee

For that extra peace of mind, we provide a free 1 year part and labour guarantee on all work carried out on top of the standard manufacturer guarantee

Same Day
Repairs

Say goodbye to long waiting times. We provide same day servicing and repairs. Enjoy a local collection and delivery service for a truly hassle-free experience

Repair Now,
Pay Later

Thanks to Payment Assist, we are able to provide a repair now, pay later service for all those urgent repairs that cannot wait. Contact us today to learn more

CUSTOMER REVIEWS

Over 1000 Reviews To Date

Google Rating

4.8

Based on 1076 reviews

4.8

Zorina Baksh

Excellent service. Will use again.

Hiten Rabadia

I've been using this garage for several years now. The quality of their work is always excellent, and it's clear they take real pride in what they do. The team are friendly, professional, and always happy to offer honest advice and share their expertise without ever making you feel pressured. Booking appointments is straightforward, and they always do their best to fit you in within a reasonable timeframe. I wouldn't hesitate to recommend them to anyone looking for a dependable and knowledgeable garage.

Margaret Martin

Very good service

Iosif Bili

I had a bad experience with my Mercedes, airmatic system faulty and problems with the car levelling but the Cardoc solved my problem quickly.Thank you Cardoc!

Zak Islam

got my engine oil serviced here - my bmw 5 series. Really professional service & helpful.Also came back to the car, pleasantly surprised they washed it for me as well! Thank you to all the staff.

Tim

Great service, very professional.Precise explanations and very accomodating.

satyander thakur

I noticed my engine becoming increasingly loud over a few months, so I took it to my local garage (where I had my minor service and MOT done in November 2025). After a quick test drive, their mechanic claimed my timing chain was in a dangerous condition and required an immediate, incredibly expensive replacement. Since my car is a 2012 model, I wanted a second opinion before committing to such a costly repair—especially with a long holiday drive coming up.Luckily, I found Cardoc in North Harrow after reading their excellent online reviews. I emailed them and received a prompt reply from Paul, who clearly explained the diagnostic costs and next steps. I dropped my car off, and within two hours, they diagnosed the actual issue: a worn engine alternator belt, not the timing chain! The total quote was nearly a third of what the first garage wanted!When I collected the car, the noise was completely gone. To my surprise, they had also complimentary topped up my fluids and fully washed and vacuumed the car. Paul was incredibly kind, taking the time to answer all my questions in detail. This was hands-down the best experience I have ever had with a garage. I highly recommend Cardoc to anyone who dreads car maintenance—they are honest, professional, and excellent value.

Tiago Pombinho

Service and MOT done with them. Everyone was absolutely brilliant. 10/10.

CAR BATTERY REPLACEMENT HARROW

Same Day Replacement & Disposal