Quick Answer
A professionally monitored home security system in Melbourne costs $30–$100/month on a contract, plus $400–$2,000 for equipment and installation. DIY smart home security systems cost $200–$1,200 upfront with no ongoing fees. CCTV-only systems cost $300–$1,500 installed. Most Melbourne homeowners spend $500–$1,500 upfront and $50–$70/month for monitoring.

Complete Cost Breakdown
Professionally Monitored Systems
| Provider Type | Upfront Cost | Monthly Fee | Contract Length |
|---|---|---|---|
| Major alarm companies (ADT, Sector, Bosch) | $0–$500 (subsidised) | $50–$100/month | 24–36 months |
| Independent local alarm companies | $500–$1,500 | $30–$60/month | 12–24 months |
| Telco-bundled (Telstra, Optus) | $0–$300 | $45–$80/month | 24 months |
| Premium monitored systems | $1,500–$3,500 | $60–$120/month | 24–36 months |
DIY Smart Home Security Systems
| System | Cost | Monitoring | Best For |
|---|---|---|---|
| Google Nest Secure (starter kit) | $400–$600 | Optional $9–$15/month | Renters, tech-savvy homeowners |
| Ring Alarm 5-piece kit | $350–$500 | Optional $10/month | Budget-conscious, DIY install |
| Arlo Essential Bundle | $500–$800 | Free basic / $17/month premium | Camera-focused security |
| Swann NVR CCTV 8-channel | $400–$700 | No monitoring needed | Camera recording only |
| Eufy Security System | $400–$700 | No monthly fee option | Local storage, privacy-focused |
CCTV Camera Costs
| Camera Type | Cost Per Camera | Installation (Each) | Best For |
|---|---|---|---|
| Basic IP camera (1080p) | $50–$150 | $100–$200 | Indoor monitoring |
| Outdoor bullet camera (4K) | $150–$350 | $150–$300 | Driveway, front/back yard |
| PTZ camera (pan-tilt-zoom) | $300–$800 | $250–$400 | Large properties |
| Doorbell camera (Ring/Eufy) | $150–$350 | $100–$200 | Front door monitoring |
| Fisheye/360° camera | $200–$500 | $150–$250 | Garages, large open areas |

What Affects Home Security System Costs?
1. Property Size and Layout
A 3-bedroom single-storey home needs 4–6 cameras and 6–10 sensors for good coverage. Larger homes with dual access points, side gates, and multiple entry doors require 8–12 cameras and more sensors. Corner blocks (common in Narre Warren, Pakenham, Officer) need cameras covering two street frontages.
2. Monitored vs. Unmonitored
Monitoring means a control room receives your alarm signal and contacts you, neighbours, or police. Most Melbourne councils require monitored alarms for police response. Unmonitored systems alert you via app only. Insurance discounts (5–15%) typically only apply to monitored, Grade D1 compliant systems.
3. Alarm Grade
Australian Standard AS 2201 grades alarm systems D1–D4 based on detection capability and monitoring response. Most insurers require Grade D1 minimum for premium discounts. Ask your installer what grade the system achieves.
4. Cable vs. Wireless
Hardwired sensors and cameras cost more to install but are more reliable (no battery replacement, can’t be jammed). Wireless systems are cheaper to install in established homes without cable access but require battery management.
Insurance Benefits
| Coverage Type | Typical Discount | Requirements |
|---|---|---|
| Monitored alarm system | 5–15% off contents/home | Grade D1, 24/7 monitoring |
| Deadbolts on all external doors | 2–5% | Australian Standard deadbolts |
| Security cameras (CCTV) | 2–8% | Often requires monitored too |
| Smart door locks | 2–5% | Varies by insurer |
| Full security package | 10–25% combined | Varies significantly |
Signs You Need Better Security
| Situation | Recommendation | Cost |
|---|---|---|
| Recent neighbourhood break-in | CCTV cameras at entry points | $600–$1,500 |
| New home purchase with no alarm | Full alarm + monitoring | $800–$2,500 + monthly |
| Existing alarm with no monitoring | Add monitoring contract | $30–$80/month |
| Frequently away for work or travel | Smart system with app alerts | $400–$1,200 DIY |
| Home office with equipment | Camera + alarm on work space | $500–$1,200 |

Top 10 Tips and Gotchas
- Tell your insurer before installing — some insurers require approval to maintain premium discounts.
- Cameras pointing at neighbours’ property can breach privacy laws — point cameras only at your own property and public spaces.
- Motion-activated floodlights ($60–$150) combined with visible cameras deter 80% of opportunistic burglars — the cheapest effective upgrade.
- Get at least 3 monitoring quotes — prices vary enormously. Year 1 total cost (equipment + monitoring) is the best comparison metric.
- Check if your suburb has a Neighbourhood Watch program — registered properties get free crime alert emails.
- Avoid sticker-only systems — criminals know which homes have fake cameras or no real alarm response.
- Register your alarm with Victoria Police — monitored systems can flag your property for priority response.
- Ensure camera storage is encrypted — cloud storage on unencrypted servers has been breached in Australia multiple times.
- Renters need landlord permission for hardwired systems — but battery or adhesive-mounted wireless systems are usually permitted.
- Cats, birds, and possums trigger motion sensors frequently in Melbourne’s outer suburbs — set sensitivity appropriately or false alarms waste emergency services.

Local Melbourne Resources
- Victoria Police — home security advice and alarm registration
- Neighbourhood Watch Victoria — local community alerts
- Australian Security Industry Association Limited (ASIAL) — find a licensed installer
- Consumer Affairs Victoria — security industry licensing
- Bunnings — DIY cameras, motion lights, and door locks
Frequently Asked Questions
Do I need a licensed security installer in Victoria?
Yes — in Victoria, any person installing alarm systems and monitoring equipment must hold a Security Industry Licence issued by Victoria Police. DIY installation of basic camera systems (not connected to monitoring) is permitted for homeowners on their own property, but hardwired alarm systems connected to monitoring must be installed by a licensed security technician.
Does a home security system lower home insurance premiums?
Usually yes — most Victorian insurers offer 5–15% discounts for monitored alarm systems complying with AS 2201. However, premiums are complex and discounts vary widely by insurer. Get insurance quotes before and after installing to confirm the actual saving for your policy.
What is the best home security system for a Melbourne rental?
Wireless DIY systems with no drilling are the best option for renters. The Ring Alarm 5-piece kit ($350–$500) and Arlo cameras use adhesive mounts or existing power points. Check your lease — most allow battery-powered security devices. Always remove on departure and repair any surface marks.
How often is CCTV footage used to catch burglars in Melbourne?
Victoria Police reports that high-quality CCTV footage (1080p+, with date/time stamp) is used in a significant proportion of suburban burglary investigations. Footage needs to capture face detail — cameras need to be within 10–12 metres of the entry point to be useful for identification.
Can I monitor my Melbourne home from overseas?
Yes — modern IP cameras and smart alarm systems include app-based remote access (Ring, Arlo, Eufy, Swann all have apps). Ensure your cameras have two-factor authentication enabled. Consider a locally monitored system for police response if you’re away for extended periods.
Final Thoughts
Melbourne’s outer SE suburbs (Dandenong, Narre Warren, Cranbourne, Pakenham) have seen elevated property crime rates, making home security a worthwhile investment. A CCTV system plus motion lights is often the most cost-effective deterrent. Monitored alarms add genuine response capability but come with ongoing costs — calculate the 3-year total before signing any contract.
- Start with visible deterrents: motion-activated floodlights and a camera above the front door.
- For monitored systems, compare year-one total cost (equipment + installation + monitoring fees).
- Always use a licensed security installer for monitored alarm connections.
- Check your insurer’s specific requirements before installing — discounts vary by policy.
- Register with Victoria Police and your local Neighbourhood Watch group.