How to Reinforce Doors and Windows Against Break-Ins

If there’s one thing every homeowner (and even renters) should know, it's this: most break-ins don’t happen the way Hollywood shows them.
They don’t involve fancy gadgets or picking high-security locks.
They happen through something much simpler — a door or window that wasn’t strong enough to stop a basic forced entry.

The good news?
You don’t need an expensive alarm system or major renovation to make your home much harder to break into.
Small upgrades — the right locks, a reinforced frame, a smart light — can make a huge difference.

Here’s exactly how to secure your doors and windows the smart way, with products you can set up yourself.

Disclosure: This article contains affiliate links. If you purchase through them, The Urban Haven may earn a small commission at no extra cost to you.

Why Doors and Windows Matter Most

According to the Australian Institute of Criminology, nearly 70% of unlawful entries in Australia happen through doors and windows.
Not through picking locks, but by kicking, forcing, or jamming them open.

Think of doors and windows as the first line of defence.
If you can slow down or discourage a break-in at the point of entry, you’re doing more than half the job already.

How to Reinforce Doors (Without Needing a Tradie)

1. Install a Strong Deadbolt Lock

If you only do one thing today: upgrade your deadbolt.
A good deadbolt is miles better than any basic handle lock.

Look for one that’s certified to Australian standards (AS 4145.2) and extends deeply into the door frame.

Recommended Product:
Lockwood 001Touch Keyless Digital Deadlatch
High-security deadbolt for Australian homes, offering keyless PIN code or access card entry.

Why I recommend it: It’s tough, reliable, and ideal if you want smarter entry without losing security.

2. Reinforce the Strike Plate

Your lock is only as strong as the frame holding it.
That’s why reinforcing the strike plate — where the deadbolt sits inside the frame — is a game-changer.

  • Replace standard strike plates with a heavy-duty metal version
  • Use 75mm to 90mm screws that go deep into the house frame, not just the trim
Recommended Product:
Prime-Line Heavy-Duty Strike Plate Reinforcement Kit
Simple DIY upgrade that massively strengthens door frames against force.

Why I recommend it: Most burglars give up if a door doesn't budge after the first or second hard kick.

3. Add a Door Security Bar

If you really want next-level peace of mind — especially at night — a security bar across the door adds serious muscle.

Recommended Product:
Master Lock Adjustable Door Security Bar
No drilling needed. Great for renters or homeowners who want portable, instant protection.

Why I recommend it: It’s an affordable, renter-friendly layer of extra defence you can set up in seconds.

How to Reinforce Windows (Even If You’re Renting)

Windows are naturally weaker than doors — but they don’t have to be an easy target.

Here’s what you can do:

1. Install Reliable Window Locks

Standard window latches are often weak.
Adding key-operated locks dramatically improves security — especially on sliding or sash windows.

Recommended Product:
Yale Sash Window Locks (6-Pack)
Durable, key-lockable window security for Australian homes.

Why I recommend it: They’re easy to install and much stronger than factory-fitted latches.

2. Apply Security Film

Even if someone tries to smash through, security film holds shattered glass together, making it much harder to get in.

  • Choose a product rated for impact resistance
  • Focus on easily accessible ground-floor windows
Recommended Product:
BDF S8MC 8 Mil Security Window Film
Thick, clear security film ideal for residential use.

Why I recommend it: Adds invisible strength without needing to replace your windows.

3. Use Window Sensors for Instant Alerts

Small wireless sensors on windows let you know immediately if someone tries to open or tamper with them.

Recommended Product:
THIRDREALITY Alarm Contact Sensors
Works with most standard window types and sends real-time alerts.

Why I recommend it: It gives you a warning the moment a window is disturbed — even when you’re not home.

Pro-Level Home Security Tips

If you really want to lock down your suburban home:

  • Install motion-activated outdoor lights near windows and doors
  • Keep hedges trimmed to remove hiding spots
  • Use real or dummy security cameras pointing at key entryways
  • Add “protected by security system” signage even if you're DIY-ing it (studies show it deters casual intruders)

Discover more DIY home security tips

Building a Safer, Smarter Home

Good security isn't about living in fear.
It’s about knowing you’ve done what you can — and giving yourself and your family the freedom to relax, live, and enjoy your space.

Strengthening your doors and windows is the first, smartest step you can take.
You don't need a huge budget or a professional installation — just the right products and a little bit of time.

At The Urban Haven, we're here to help you take practical steps toward a safer, calmer, more confident life.

Explore more practical home security guides

FAQs About Reinforcing Doors and Windows

What's the easiest security upgrade I can do today?

Installing a door security bar or a new deadbolt is quick, inexpensive, and highly effective.

Is security film worth it?

Yes. It's an invisible layer of defence that makes breaking through glass much harder — especially useful for suburban homes with large windows.

How do I secure sliding doors?

Use a security bar at the base and consider a pin lock to stop forced lifting.

Can renters reinforce doors and windows without causing damage?

Absolutely. Products like portable door bars, adhesive security film, and removable window locks are perfect for renters needing non-permanent solutions.

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They happen through something much simpler — a door or window that wasn’t strong enough to stop a basic forced entry.

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