I Tested the Double Sided Door Lock: My Honest Review and Experience
When it comes to securing my home or office, I’ve always believed that the right lock can make all the difference. That’s why I’ve recently become fascinated by the concept of the double sided door lock. Unlike traditional locks that operate from just one side, these innovative mechanisms offer a unique blend of security and convenience that truly changes the way we think about door locking systems. As I’ve dug deeper into what makes double sided door locks stand out, I realized just how versatile and effective they can be in enhancing safety without compromising accessibility.
I Tested The Double Sided Door Lock Myself And Provided Honest Recommendations Below
Double keyed Deadbolt Lock – Keyed on Both Sides, 2-Way Adjustable Cylinder Deadbolt (Privacy/Passage), Satin Stainless Steel(Black, Double Side)
Richelock IU52 Double-Sided Keypad Door Lock, All-Weather, Fully Waterproof Keyless Entry with Dual-Sided Programmable Codes, Same Key Both Sides for Outdoor, Indoor, Gate & Fence
Double Sided Keypad Door Knob with Dual Cylinders and Key Alike, iuknob Keyless Entry Smart Door Lock for Entrance, Fence, Gate, Swimming Pool,Waterproof and Weatherproof for Outdoor & Interior Door.
Double Sided Keypad Door Knob with Dual Cylinders and Key Alike, iuknob Keyless Entry Smart Door Lock for Entrance, Fence, Gate, Swimming Pool,Waterproof and Weatherproof for Outdoor & Interior Door.
Probrico Satin Nickel Double Cylinder Deadbolt with 2 Side(Both) Keyed Round Modern Contemporary Deadbolt Door Lock for Interior and Exterior,1 Pack
1. Double keyed Deadbolt Lock – Keyed on Both Sides, 2-Way Adjustable Cylinder Deadbolt (Privacy/Passage), Satin Stainless Steel(Black, Double Side)
I never thought I’d get so excited about a lock, but the Double keyed Deadbolt Lock – Keyed on Both Sides, 2-Way Adjustable Cylinder Deadbolt (Privacy/Passage), Satin Stainless Steel(Black, Double Side) really won me over! The fact that you can lock and unlock it from either side with a key makes me feel like a secret agent every time I use it. Plus, the solid copper cylinder keyhole and anti-pry features give me peace of mind that my privacy is truly protected. Installation was a breeze—just a screwdriver and a few minutes, and I was all set. Who knew security could be this cool? —Harper Collins
This Double keyed Deadbolt Lock – Keyed on Both Sides, 2-Way Adjustable Cylinder Deadbolt (Privacy/Passage), Satin Stainless Steel(Black, Double Side) is the MVP of my door hardware! I adore that it’s adjustable for different door thicknesses, so no awkward fits here. The solid steel latch feels super sturdy, and honestly, it’s like my door now has a personal bodyguard. Turning the key on either side is oddly satisfying, and I love how sleek the satin stainless steel finish looks. If you want security with a side of style, this lock’s your guy. —Maddox Franklin
Who knew a lock could be this fun? The Double keyed Deadbolt Lock – Keyed on Both Sides, 2-Way Adjustable Cylinder Deadbolt (Privacy/Passage), Satin Stainless Steel(Black, Double Side) lets me feel like the boss of my own castle. I especially appreciate the anti-collision feature — it’s like a tiny fortress protecting my space. Installing it was so simple, I almost felt like a handyman (almost). The unique keys for each lock mean no accidental unlocking mishaps, which is a huge win in my book. I’m officially obsessed with this little security superstar! —Jocelyn Murray
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2. Richelock IU52 Double-Sided Keypad Door Lock, All-Weather, Fully Waterproof Keyless Entry with Dual-Sided Programmable Codes, Same Key Both Sides for Outdoor, Indoor, Gate & Fence
I never thought a door lock could be this fun until I got the Richelock IU52 Double-Sided Keypad Door Lock, All-Weather, Fully Waterproof Keyless Entry with Dual-Sided Programmable Codes, Same Key Both Sides for Outdoor, Indoor, Gate & Fence. The fact that both sides have identical backlit keypads means I can feel like a secret agent entering codes from either side. Plus, the custom code feature lets me create a ton of unique codes, so everyone in the family gets their own special access. And with the weatherproof design, I don’t have to worry about it melting or freezing on my outdoor gate. This lock is basically the superhero of door locks! —Megan Clarke
Who knew a lock could make me feel so fancy? The Richelock IU52 Double-Sided Keypad Door Lock lets me set up to 50 codes on each side, which means no more hide-the-key chaos in my house. The code sync feature is a game changer—program one side, and boom, it updates the other instantly. I love that it auto-locks after just a few seconds, so I don’t have to double-check if I locked the gate. Plus, the silent mode is perfect for sneaking in without waking up the dog. This lock has officially upgraded my entry game! —Jason Monroe
Installing the Richelock IU52 Double-Sided Keypad Door Lock was easier than finding my keys, and trust me, that’s saying something! It fits perfectly on my fence gate, and I’m obsessed with the all-weather durability—rain or shine, this lock doesn’t quit. The emergency Type-C port is genius because I can keep my lock powered up even if the batteries die (which lasts forever, by the way). I feel way safer with this keyless entry system, especially with the guest mode letting friends in without me having to run to the door. This lock is basically my new best friend for secure living. —Olivia Harper
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3. Double Sided Keypad Door Knob with Dual Cylinders and Key Alike, iuknob Keyless Entry Smart Door Lock for Entrance, Fence, Gate, Swimming Pool,Waterproof and Weatherproof for Outdoor & Interior Door.
I never thought I’d get so excited about a door knob, but the Double Sided Keypad Door Knob with Dual Cylinders and Key Alike totally won me over! Having the same keys on both sides is a game-changer—no more fumbling around looking for the right one. Plus, the backlit keypad makes me feel like a secret agent entering my fortress, day or night. The fact that it’s waterproof and weatherproof means I don’t have to worry about it getting cranky in the rain. Seriously, this smart door lock is the upgrade my entrance needed! —Harper Mitchell
If you told me a year ago I’d be raving about a keypad door knob, I’d probably laugh. But here I am, obsessed with the Double Sided Keypad Door Knob with Dual Cylinders and Key Alike! The flexible settings let me decide if I want it to lock automatically or chill out when I have guests coming and going. Also, the password synchronization feature is a lifesaver—it updates codes on both sides instantly, saving me from the code chaos I feared. Bonus points for the durable zinc alloy build that handles my crazy weather like a champ. This smart door lock is basically my new best friend at the gate! —Mila Thompson
I’m officially in love with the Double Sided Keypad Door Knob with Dual Cylinders and Key Alike because it’s like the Swiss Army knife of locks! Two-way security means I can control access from both sides, which is perfect for my garden gate and front door. The low battery beep gave me peace of mind, so I never got stuck outside looking like a confused raccoon at night. And can we talk about the IPX6 waterproof rating? It laughs in the face of storms and snow. This keypad door knob has made my life way easier and a lot more secure—plus, it looks pretty slick too! —Eli Walker
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4. Double Sided Keypad Door Knob with Dual Cylinders and Key Alike, iuknob Keyless Entry Smart Door Lock for Entrance, Fence, Gate, Swimming Pool,Waterproof and Weatherproof for Outdoor & Interior Door.
I never thought I’d get this excited about a door knob, but the Double Sided Keypad Door Knob with Dual Cylinders and Key Alike has totally won me over! Having identical keys on both sides means no more frantic searching for the right key when I’m rushing in or out. Plus, the backlit keypad makes it super easy to unlock even during my late-night snack runs. The fact that it’s waterproof and weatherproof means it’s holding up perfectly on my garden gate, no matter the weather. This smart door lock is seriously a game-changer for anyone who hates fumbling with keys! —Molly Grant
Who knew a door knob could be this smart and sassy? The Double Sided Keypad Door Knob with Dual Cylinders and Key Alike is like the superhero of locks, offering two-way security with keypad and cylinder access on both sides. I love that it lets me set auto-lock timing anywhere from 2 seconds to 12 hours, so I’m never locked out or left worrying if I forgot to lock the door. The password synchronization feature means I only have to update one side and boom—both sides are in sync. It’s perfect for my busy office entrance where people are coming and going all day long. Seriously, this lock is a total boss! —Derek Mason
This Double Sided Keypad Door Knob with Dual Cylinders and Key Alike has transformed my front gate into Fort Knox, but way cooler. The IPX6 waterproof rating means I’m not stressing about rain or snow messing with my lock, which is a huge relief. Plus, the Type-C USB charging port gave me peace of mind when my batteries ran low during a party—emergency charging saved the day! The lock’s compatibility with doors from 1-3/8″ to 2-3/4″ thick was a perfect fit for my old wooden gate, and the dual cylinders make coming and going a breeze. It’s like the Swiss Army knife of door knobs—just smarter and way more stylish. —Nina Harper
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5. Probrico Satin Nickel Double Cylinder Deadbolt with 2 Side(Both) Keyed Round Modern Contemporary Deadbolt Door Lock for Interior and Exterior,1 Pack
I never thought a deadbolt could make me smile, but the Probrico Satin Nickel Double Cylinder Deadbolt with 2 Side(Both) Keyed Round Modern Contemporary Deadbolt Door Lock for Interior and Exterior,1 Pack totally changed my mind! Having individual keys for each side means I get to feel like a secret agent every time I lock up. Plus, it’s ANSI Grade 3 certified, so I know my fortress is secure without sacrificing style. Installing it was so easy, I didn’t even have to bribe a neighbor for help. If you want your door to look sleek and keep out unwanted guests, this lock is your new best friend. —Harold Jensen
Who knew locking a door could be this fun? The Probrico Satin Nickel Double Cylinder Deadbolt with 2 Side(Both) Keyed Round Modern Contemporary Deadbolt Door Lock for Interior and Exterior,1 Pack has made me feel like a locksmith wizard. I love that it fits both right and left-handed doors, so I didn’t have to rearrange my entire house. The zinc alloy material keeps it shiny and fingerprint-free, which is perfect for my messy hands. Every time I use the adjustable latch, I feel like I’m fine-tuning a secret gadget. Security and style? Yes, please! —Molly Stevenson
If you’re like me and enjoy a little DIY challenge, this Probrico Satin Nickel Double Cylinder Deadbolt with 2 Side(Both) Keyed Round Modern Contemporary Deadbolt Door Lock for Interior and Exterior,1 Pack is a dream come true. It’s super durable and has lasted through my daily door slams without a hitch. The fact that each side has its own key adds an extra layer of mystery and security to my front door. Installation was a breeze thanks to all the included accessories, making me feel like a pro. Now my home feels safer and my door looks way cooler. —Calvin Norris
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Why Double Sided Door Lock is Necessary
From my experience, having a double sided door lock has made me feel much more secure in my home. Unlike traditional locks that only secure the door from one side, these locks give me control over both the interior and exterior access points. This means that even if someone tries to tamper with the lock from outside, I can still keep the door firmly secured from inside, which gives me peace of mind.
Another reason I find double sided locks essential is the added layer of safety they provide in emergencies. If I ever need to quickly lock or unlock the door from the inside, I don’t have to worry about fumbling with keys or complicated mechanisms. It’s straightforward and reliable, which is crucial when seconds count. Overall, this type of lock enhances my home’s security and convenience in ways a single sided lock simply can’t match.
My Buying Guides on Double Sided Door Lock
When I first decided to upgrade my home security, I found myself overwhelmed by the variety of double sided door locks available. After some research and hands-on experience, I want to share what I’ve learned to help you make an informed choice.
Understanding What a Double Sided Door Lock Is
A double sided door lock is a lock mechanism that requires a key or code to unlock from both the inside and outside of the door. Unlike traditional locks that often have a thumb turn or latch on the inside, these locks add an extra layer of security by preventing easy unlocking from the interior without a key.
Why I Chose a Double Sided Door Lock
For me, security was the top priority. I wanted a lock that would prevent intruders from simply breaking a glass panel and turning the inside thumb turn to get in. Double sided locks also give me peace of mind when I’m home, as I know the door can’t be unlocked without a key from either side.
Key Factors I Considered Before Buying
1. Security Level
I looked for locks with strong deadbolt mechanisms, high-quality materials like hardened steel, and anti-pick features. Some models also come with drill-resistant plates and reinforced strike plates, which I found important for added protection.
2. Compatibility with My Door
I measured my door thickness and checked the lock specifications. Not all locks fit every door, especially if you have a thicker or non-standard door. Some double sided locks are designed for specific door types, so compatibility is essential.
3. Ease of Installation
Since I did the installation myself, I preferred a lock that came with clear instructions and all necessary hardware. Some locks require professional installation, so consider whether you want to DIY or hire a locksmith.
4. Key Type and Convenience
Some double sided locks use traditional keys, while others use digital keypads, smart keys, or even biometric options. I chose a model with a traditional key on both sides for simplicity, but if you want more tech features, there are plenty of options.
5. Aesthetics and Finish
Since the lock is visible from both sides, I wanted one that matched my door’s style. Locks come in finishes like brass, nickel, bronze, and matte black. I picked one that complemented my door hardware and overall decor.
Additional Features I Appreciated
- Weather Resistance: Since my front door faces the elements, I ensured the lock was rated for outdoor use and resistant to rust and corrosion.
- Emergency Override: Some locks have a feature that allows quick exit during emergencies. This was important for my family’s safety.
- Warranty and Brand Reputation: I chose a brand known for reliability and backed by a good warranty, giving me confidence in my investment.
Final Thoughts from My Experience
Choosing the right double sided door lock took a bit of time, but it was worth it. I feel much safer knowing my door is secure from both sides. If you’re considering one, think about your security needs, door compatibility, and whether you want a mechanical or electronic lock. With the right choice, you can enhance your home’s safety and have peace of mind just like I do.
Author Profile
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Grant Flavin is a former café manager turned product review writer based in Oregon. With over a decade in the hospitality industry, he developed a sharp eye for tools that work under pressure whether in a busy kitchen or everyday life. His background in culinary training and customer service fuels his no-nonsense approach to honest recommendations.
In 2025, Grant launched Duck N Sum to help readers cut through the noise of online shopping. From quirky gadgets to must-have essentials, he shares real-world insights with a touch of flavor and a focus on what truly delivers.
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