How to Improve Home Security with Better Locks: 10 Proven Tips to Stop Burglars Before They Strike

How to Improve Home Security Starts with Your Doors and Windows Doors and windows are two access points for burglars involved in 9 out of 10 residential break-ins. You can dramatically reduce the risk of a break-in by upgrading to grade-1 deadbolts locks that alert you to tampering, reinforced strike plates and a layered home security system since most forced entry is, through weak locks, not broken windows or picked locks. Want to improve home security but don’t have a renovation budget? Better locks are always the best ROI fix.

This guide shows you how to improve home security using ten tested ways to strengthen locks and doors. The ideas come from security experts, locksmiths and police data about how burglars act. If you live in an apartment a house by yourself or take care of a place that people rent these ideas all work together as a team. Because one strong lock, on a door still doesn’t keep you safe. Below are types of products how to put them in how much they cost and why security experts choose to fix things. This way you can decide how to improve home security  based on how risky it’s how much money you have to spend.

Why Better Locks Are the Foundation of Home Security

Before getting into the tips it is important to know why locks are one of the important security features. Thieves look for chances. Research on housebreaking has shown times that the person who breaks in spends less, than a minute deciding if a door is worth trying and then leaves. A lock that looks weak a door that’s not strong or a part that is not fixed properly shows that the place is easy to get into. Learning how to improve home security means thinking the way a thief thinks: find the place where someone can get in and fix that first.  

Alarm systems, cameras, and motion-sensor lighting all play a role, but they’re deterrents and detection tools — they don’t physically stop someone from getting in. Locks are the actual barrier. That’s why any serious plan for how to improve home security has to start with door hardware, not just electronics.  

1. Install ANSI Grade 1 Deadbolts

If you want to improve home security, the single best thing you can do is upgrade from standard builder grade locks to ANSI/BHMA Grade 1 deadbolts. Grade 1 locks are the highest security rating for residential locks and are tested to withstand forced entry, drilling and hammer attacks far better than the Grade 2 or Grade 3 locks that are standard on most new construction homes.

• Find a 1-inch throw bolt (the metal bolt should enter the door frame at least 1 inch)
• Go for solid brass or hardened steel construction, not lightweight alloys.
• Avoid locks that have screws showing on the outside, and that can be removed (more) easily from the outside.

2. Increase the Strength of the Strike Plate and Door Frame

And even a Grade 1 deadbolt is useless if it’s screwed into a flimsy strike plate with half-inch screws. This is one of the most overlooked steps when people research how to improve home security — they upgrade the lock but ignore the frame it’s mounted into. 

• Replace factory strike plates with a larger steel strike plate 3.5″ or larger;
• Use 3 inch wood screws that go into the wall stud, not just the jamb of the door.
• See complete door frame reinforcement kit for older or wooden door frames.

This one upgrade, which costs less than $30, has been proven to make a door much harder to kick in. 

3. Smart Locks Tamper Alerts

Smart locks are becoming a key part of improving home security in 2026, particularly for homes that want the ability to remotely monitor, get activity logs, and enjoy keyless convenience.  Today’s smart deadbolts combine traditional Grade 1 mechanical security with digital features:

• Auto-lock and tamper alerts send a notification to your phone if someone tries to force their way into your home or enters the wrong code several times
• Access logs to show who came and when — great for families, roommates and rental properties
• You can check that doors are locked even when you are not there with geofencing and remote locking

Choose a smart lock tested and certified to the ANSI Grade 1 or 2 standard and not a convenience-only product with weak internal bolts. 

4. Lock sliding doors and windows individually

The standard lock upgrade addresses front and back doors, but sliding glass doors are a frequent weak point. These need to be addressed individually in a comprehensive how-to improve home security:

• Sliding door secondary pin lock / foot lock bar
• Insert a security bar or a dowel rod in the track for a physical stop.
• Install window or sash locks on ground floor and operable windows.

5. Put in a Door Reinforcement Kit or Security Plate

Door reinforcement kits surround steel plates around the entire lock area—deadbolt, strike plate and hinge side—creating one barrier that is resistant to kick-ins, pry attacks and drilling. These are often recommended by security pros for older homes where the original door and frame weren’t made with modern security ratings in mind. This step complements deadbolt upgrades and is a key part of how to improve home security on doors with thin wood construction. 

6. Reinforce Hinges on the Exterior Side

If you have out-hinged doors, they pop right out with a screwdriver. 2 bug fixes: 1. 

• Install hinge-side security studs to help keep the door in the frame, even if the hinge pins are removed.
• Replace the short hinge screws with 3-inch screws that bite into the wall stud.

This is an often overlooked inexpensive way to improve home security for older homes with exterior-mounted hinges.

7. Pick High Security Cylinders to Prevent Bumping and Picking

Pin-tumbler locks can be picked and bumped with no outward signs of damage. The secret to this are high security cylinders:

• Look for manufacturer certified anti-bump, anti-pick and anti-drill cylinders with a UL 437 rating.
• Systems of keyways limited to prevent unlicensed duplication of keys at hardware stores
• Grade 1 deadbolt body for all perimeters protection

8. Change/Replace Locks When Moving In

A frequently-overlooked step in how to improve home security is to re-key the locks as soon as you buy or rent a new home. God knows how many spare keys are out there from previous owners, tenants, contractors or real estate agents. Rekeying is a much cheaper option than replacing your locks and will fill that void within a day of moving in.

9. Layer Locks: Deterrents, Passive and Visible

Locks are most useful in a layered system. Burglars look for the path of least resistance so if you have visible security cues, it’ll cut down the chances your home is even targeted:

• Security system yard signs and window decals
• motion-activated outside lighting near points of entry
• Front door and porch video doorbells

These are no substitute for strong locks but when used in conjunction with hardened doors they change materially the way a burglar considers your home before trying to gain entry.

10. Hold a Professional Security Audit

What People Actually Want When They Ask How to Improve Home Security

The people who are researching this are obvious – new homeowners fortifying a house for the first time, renters looking for non-permanent improvements, parents concerned about safety at night and people who have just been victims of an attempted break-in. The question’s the same everywhere: What’s the fastest surest way to keep someone from coming through my door? The answer is always better locks and reinforced frames, smart monitoring, and layered deterrents, in that order of priority.

Conclusion

You don’t have to spend a fortune on a major overhaul to learn how to improve home security. Start with Grade 1 deadbolts, reinforced strike plates, secured sliding doors, and smart lock monitoring hits the entry points burglars actually use. Add visible deterrents and a professional audit to these physical upgrades and you’ve got a home security setup that is both effective and sustainable — proof that knowing how to improve home security really does start at the lock, not the alarm panel.

Frequently asked questions (FAQs)