Home Alarm Repair Experts

Have a faulty home alarm that needs fixing?

We’re one of Sydney’s most experienced home security companies. Call 1300 856 780

We can fix any system! It doesn’t matter how old your home alarm is, who manufactured it or who installed it. If your alarm needs some attention, a complete overhaul or some simple servicing, we have the knowledge and experience to get the job done right – first time!

Our technicians take the greatest level of care and pay the most attention to detail. That means your home will look just as neat and tidy when we leave as they did before we got there.

We understand that your home security is important and we will do our level best to get you up and running as quickly as we can.

Why Coles Alarms?

  • Over 50 years of experience

  • Affordable & competitive pricing

  • Locally owned & operated

  • We can service any alarm!

  • Certified & fully insured

  • Fast & friendly service
  • 12-24 month warranty

  • 24/7 after sales service

home alarm repair

Experts in home security systems

Home Alarm Repair

Alarms can be finicky and hard to work with – have us lend a hand instead, saving you the effort and ensuring that your systems are working at their very best, guaranteed! If you’re having troubles with your home alarm or security system, get in touch.

Home Alarm Upgrades

Just like all forms of technology, your alarm system will become prone to failure with age and, as newer forms of technology emerge, so too do related hacks and malware, designed to overcome it.

home alarm repair

Contents Insurers often require their customers to service their home alarms at least once every two years for private clients. Elements of your alarm are subject to unseen wear and tear, so regular servicing is always a good idea.

Who we are

Coles Alarms have been working with home alarms systems across Sydney for over fifty years and take great pride in delivering high-quality workmanship across all of our repairs and installations.

Our customers receive only the best, most practical and cost-effective home alarm advice, all while keeping to their budget. We can do the same for you.

Our technicians are proud of the fantastic feedback that they get from our clients as well as the constant referrals we receive from their family and friends. We’ll keep working to maintain or even improve upon that as we expand our service delivery.

Our extended warranty

All our work and installations are covered by a 12-month warranty on labour and a 24-month extended warranty on hardware. Ask for more information about our warranties when you get in touch.

We believe it is paramount that the security of your property is handled in a professional manner and it goes without saying that we are totally confident in recommending Coles Alarm Systems.

– Kim and Jenny Gray

Get in touch and find out how we can help


Security specialists since 1946.
Security Master Licence No.102775.
Director: Greg Kirkham

Installers of approved domestic, commercial and industrial property protection.

P.O. Box 210, Forestville NSW 2087

Office: 1300 856 780
Mobile: 0418 260 183

Having trouble with the form? Email us.