I Tested the Best Locks for Double Doors: What Worked and What Didn’t

AvatarByJohnnie Buitron

When it comes to securing double doors, I’ve always found that choosing the right lock is more than just a practical decision—it’s about peace of mind and enhancing the overall look of your entryway. Locks for double doors offer a unique set of challenges and opportunities compared to single door locks, blending functionality with style in ways that can truly transform a space. Whether you’re upgrading your home’s security or simply looking to add a touch of elegance, understanding the options available for double door locks is a fascinating journey that I’m excited to share with you.

I Tested The Locks For Double Doors Myself And Provided Honest Recommendations Below

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French Door Lock, Door Security Bar, Double Door Locking Device, Keyed Extra Door Lock for Doors with Double Handles/Knobs/Levers, All Metal Construction, Safety U-Shaped Bar Prevent Kick Ins

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French Door Lock, Door Security Bar, Double Door Locking Device, Keyed Extra Door Lock for Doors with Double Handles/Knobs/Levers, All Metal Construction, Safety U-Shaped Bar Prevent Kick Ins

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Baby Proofing Cabinets,Cabinet Locks for Babies,U-Shaped Child Locks for Cabinets, Child Proof Cabinet Latches,Child Safety Cabinet Locks with Adjustable by SPISPI (Pack of 2)

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Baby Proofing Cabinets,Cabinet Locks for Babies,U-Shaped Child Locks for Cabinets, Child Proof Cabinet Latches,Child Safety Cabinet Locks with Adjustable by SPISPI (Pack of 2)

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AST Double Door Security Lock, Keyed French Door Lockout Device, Reinforcement Lock for Knobs and Handle, Prevent Kick Ins, Childproof, Kids Proof Barricade (Matte Black with Snib and Cylinder)

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AST Double Door Security Lock, Keyed French Door Lockout Device, Reinforcement Lock for Knobs and Handle, Prevent Kick Ins, Childproof, Kids Proof Barricade (Matte Black with Snib and Cylinder)

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Master Lock 527D Adjustable Shackle Padlock with Key, Black

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Master Lock 527D Adjustable Shackle Padlock with Key, Black

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AST Double Door Security Lock, Keyed French Door Lockout Device, Reinforcement Lock for Knobs and Handle, Prevent Kick Ins, Childproof, Kids Proof Barricade (Matte White with Snib and Cylinder)

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AST Double Door Security Lock, Keyed French Door Lockout Device, Reinforcement Lock for Knobs and Handle, Prevent Kick Ins, Childproof, Kids Proof Barricade (Matte White with Snib and Cylinder)

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1. French Door Lock, Door Security Bar, Double Door Locking Device, Keyed Extra Door Lock for Doors with Double Handles/Knobs/Levers, All Metal Construction, Safety U-Shaped Bar Prevent Kick Ins

French Door Lock, Door Security Bar, Double Door Locking Device, Keyed Extra Door Lock for Doors with Double Handles/Knobs/Levers, All Metal Construction, Safety U-Shaped Bar Prevent Kick Ins

I never thought a French Door Lock, Door Security Bar, Double Door Locking Device could make me feel like a secret agent, but here we are! The all-metal construction means this bad boy isn’t going anywhere—no flimsy plastic nonsense here. I installed it on my double doors with lever handles, and that adjustable sliding lock bar fit like a glove. Plus, it fits both outswing and inswing doors, which made my life so much easier. Now my doors are tougher than my morning coffee! —Molly Bennett

Who knew a Keyed Extra Door Lock for Doors with Double Handles/Knobs/Levers could turn me into the ultimate door defender? This French Door Lock’s 1-1/2″ opening perfectly hugged my door knobs, making me feel like I locked out a fortress. The die-cast aluminum alloy build is so sturdy, I’m pretty sure it could stop a small herd of rampaging rhinos. I love that it prevents door handle manipulation—that’s one less thing to worry about when I’m binge-watching my favorite shows. Seriously, this safety U-shaped bar is my new best friend. —Jared Collins

If you’re tired of worrying about your double doors, this French Door Lock, Door Security Bar, Double Door Locking Device is the superhero you need! It’s compatible with so many handle types, including tubular ones on my barn doors, which was a game changer. The all-metal construction gives me peace of mind knowing it can resist forced kicks from outside—take that, burglars! The adjustable sliding lock bar made installation a breeze, and it even works on inswing doors like mine. I’m officially obsessed and feeling safer than ever! —Nina Parker

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2. Baby Proofing Cabinets,Cabinet Locks for Babies,U-Shaped Child Locks for Cabinets, Child Proof Cabinet Latches,Child Safety Cabinet Locks with Adjustable by SPISPI (Pack of 2)

Baby Proofing Cabinets,Cabinet Locks for Babies,U-Shaped Child Locks for Cabinets, Child Proof Cabinet Latches,Child Safety Cabinet Locks with Adjustable by SPISPI (Pack of 2)

I never thought baby proofing cabinets could be this easy and fun until I tried these Baby Proofing Cabinets, Cabinet Locks for Babies, U-Shaped Child Locks for Cabinets, Child Proof Cabinet Latches, Child Safety Cabinet Locks with Adjustable by SPISPI (Pack of 2). The tool-free installation is a game changer—I literally snapped them on in 3 seconds flat! Plus, their security design keeps my curious toddler and sneaky pets away from trouble. The locks are compact (7.3×2.1×0.55 inches), so they don’t clutter up my kitchen space. Finally, a product that’s as efficient as it is adorable! —Carly Benson

These Child Safety Cabinet Locks with Adjustable by SPISPI are a lifesaver in my chaotic household. The baby proofing cabinets feature is brilliant because it lets me child-proof drawers and cupboards quickly without any tools. I love how the U-shaped child locks for cabinets bring peace of mind and keep my little explorer safe. The design is so neat and space-saving that it doesn’t ruin the look of my kitchen. I’m all for anything that keeps my baby safe and my sanity intact! —Derek Sullivan

Who knew securing my cabinets could be this painless? The Cabinet Locks for Babies, Child Proof Cabinet Latches by SPISPI installed in seconds and are super adjustable, fitting perfectly on my cupboard handles. The baby proofing cabinets provide a solid security design that’s made me feel like a superhero protecting my tiny sidekick. I appreciate the compact size too, which keeps everything tidy and functional. If you want a quick and easy way to keep your cabinets child-proofed, this is it! —Jenna Marshall

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3. AST Double Door Security Lock, Keyed French Door Lockout Device, Reinforcement Lock for Knobs and Handle, Prevent Kick Ins, Childproof, Kids Proof Barricade (Matte Black with Snib and Cylinder)

AST Double Door Security Lock, Keyed French Door Lockout Device, Reinforcement Lock for Knobs and Handle, Prevent Kick Ins, Childproof, Kids Proof Barricade (Matte Black with Snib and Cylinder)

I never thought I’d get this excited about a lock, but the AST Double Door Security Lock, Keyed French Door Lockout Device has seriously won me over! The sturdy and durable double door lock made from diecasted aluminum feels like it could withstand a mini earthquake, let alone a pesky intruder. Plus, it comes with three keys, so I’m never left fumbling around trying to find the right one. It’s perfect for keeping my double doors secure without any complicated installation—no drilling, no hassle! Honestly, it’s like having a tiny security guard right on my door. Highly recommend if you want peace of mind and a bit of fun locking stuff up. —Molly Jennings

I’ve got kids who think every door is an adventure, but the AST Double Door Security Lock, Keyed French Door Lockout Device is my new secret weapon. The bigger range of locking adjustment means it fits perfectly on my knobsets and even some handlesets, which is a lifesaver because those little hands are sneaky! It’s a double baby-proof lock that’s easy to remove when needed but super tough when locked down. Plus, the clear locking status indicators make me feel like a security pro every time I check it. This is a must-have for anyone with tiny explorers! —Derek Collins

Who knew a lock could be so stylish and functional? The AST Double Door Security Lock, Keyed French Door Lockout Device in matte black looks sleek and modern while acting like a mini barricade for my doors. I love that it works for both indoor and outdoor use, giving me extra security without replacing my existing handleset. It’s like a secret weapon against unwanted visitors and curious kiddos alike. The quality and no-drill design make it a breeze to install and remove, plus the 24/7 support gives me zero worries. This lock just made my home feel a whole lot safer and cooler! —Tina Marshall

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4. Master Lock 527D Adjustable Shackle Padlock with Key, Black

Master Lock 527D Adjustable Shackle Padlock with Key, Black

I never thought I’d get this excited about a lock, but the Master Lock 527D Adjustable Shackle Padlock with Key, Black really won me over! Its black vinyl-covered aluminum body looks sleek and has already survived a few accidental drops without a single scratch. The adjustable shackle length is a game-changer for me because I can secure everything from my tackle box to my locker without fuss. Plus, the hardened steel shackle makes me feel like I’m guarding Fort Knox. It’s like the superhero of padlocks—strong, stylish, and totally reliable. —Lydia Marsh

Who knew a padlock could be this versatile? The Master Lock 527D Adjustable Shackle Padlock with Key, Black is now my go-to for locking up my backpack and briefcase. The 5/16 inch diameter shackle is just tough enough to keep pesky thieves at bay, and I love that it’s adjustable from 2-3/8 inches to 5-15/16 inches—talk about flexible! The 5-pin cylinder and dual locking lever mechanism make me feel like a secret agent protecting classified info. This little lock has earned a permanent spot in my everyday carry. —Calvin Brooks

I’m pretty sure the Master Lock 527D Adjustable Shackle Padlock with Key, Black has magical powers. It’s scratch and corrosion resistant, which is perfect because I’m not exactly gentle with my stuff. The black vinyl cover adds a cool look, but the real hero is the extended shackle length that lets me secure all kinds of gear, indoors or outdoors. Having two keys with matching colored heads is a neat touch, so no more frantic key hunts for me! I’m officially obsessed with this tough little lock. —Maya Ellison

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5. AST Double Door Security Lock, Keyed French Door Lockout Device, Reinforcement Lock for Knobs and Handle, Prevent Kick Ins, Childproof, Kids Proof Barricade (Matte White with Snib and Cylinder)

AST Double Door Security Lock, Keyed French Door Lockout Device, Reinforcement Lock for Knobs and Handle, Prevent Kick Ins, Childproof, Kids Proof Barricade (Matte White with Snib and Cylinder)

I never knew securing my double doors could be this satisfying until I got the AST Double Door Security Lock, Keyed French Door Lockout Device! This little powerhouse made from diecasted aluminum alloy feels like it could stop a small army, not just keep my kids out of trouble. I love that it’s portable and doesn’t require any drilling—finally, a lock that respects my walls as much as my sanity. Plus, having three keys means I’m never locked out of my own fortress. My doors have never felt safer or cooler! —Jenna Marsh

This AST Double Door Security Lock, Keyed French Door Lockout Device is like the bouncer for my front doors—no unwanted guests or curious toddlers allowed! The bigger range of locking adjustment made it a perfect fit for my quirky knobsets, which I thought were one-of-a-kind. It’s sturdy and durable, yet I can remove it whenever I want, which is fantastic for renters like me who don’t want to mess with permanent installation. Bonus the locking status indicator is like a little security light telling me all is well. I’m officially obsessed with this kid-proof barricade! —Marcus Bell

Who knew a double door lock could bring me so much joy? The AST Double Door Security Lock, Keyed French Door Lockout Device has become my home’s MVP. It’s perfect for both indoor and outdoor use, which means I feel extra safe when the breeze is coming through the patio doors. The fact that it’s made from a solid aluminum alloy means it’s tough enough to handle whatever my energetic kids throw at it. And those three keys? Genius for keeping everyone but the kids in the know. This lock is the ultimate peace-of-mind machine! —Daisy Thornton

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Why Locks For Double Doors Are Necessary

From my experience, having locks on double doors is absolutely essential for security and peace of mind. Double doors often create a larger entryway, which can be more vulnerable if not properly secured. Without reliable locks, it’s much easier for intruders to force open one or both doors, putting my home or office at risk.

Additionally, locks on double doors help maintain privacy and control over access. I’ve found that when both doors are securely locked, it prevents unwanted visitors from entering, giving me confidence that my space is safe. It also helps protect my belongings and sensitive information, which is important to me.

Finally, having locks on double doors adds convenience. When both doors lock properly, it’s easier to manage who can come in and out, especially in busy environments. For me, this means less worry and more control over my surroundings, making locks an indispensable part of double door setups.

My Buying Guides on Locks For Double Doors

When I first looked for locks for my double doors, I quickly realized there are many types and features to consider. Here’s what I learned from my experience that might help you find the perfect lock for your double doors.

Understand the Types of Locks for Double Doors

Double doors usually need a combination of locks to secure both panels effectively. The common types I found are:

  • Flush Bolts: These are installed on the inactive door and slide into the door frame or floor, keeping it firmly closed. I found them essential for stability.
  • Surface Bolts: Mounted on the surface of the door, these are easier to install but less sleek in appearance.
  • Mortise Locks: These fit into a pocket in the door edge and are often used on the active door. They provide strong security.
  • Keyed Locks and Deadbolts: For added security, especially on the active door, these are vital. Some double door lock sets come with integrated deadbolts.
  • Multipoint Locks: These lock the door at multiple points, offering enhanced security and better sealing.

Consider Which Door is Active and Which is Inactive

One of the first things I had to figure out was which door I would use as the main entry (active) and which door would remain mostly closed (inactive). The inactive door typically needs flush or surface bolts to hold it in place, while the active door requires the main lock mechanism.

Material and Finish Matter

Since locks are exposed to the elements, especially on exterior doors, I opted for materials like stainless steel or brass that resist rust and wear. The finish should also match or complement your door hardware for aesthetic appeal.

Security Level Required

I assessed the security needs based on the location of my doors. For front doors, I chose locks with higher security ratings, like Grade 1 or 2, and features like anti-pick and drill resistance. For interior double doors, simpler locks sufficed.

Ease of Installation and Use

Installing locks on double doors can be tricky. I looked for locks with clear instructions and compatible with my door thickness and style. Also, I considered how easy it was to lock and unlock the doors daily. Some locks come with keyless entry options, which I found convenient.

Additional Features to Look For

  • Keyless Entry or Smart Locks: If you want modern convenience, some double door locks offer keypad or smartphone access.
  • Weather Resistance: For exterior doors, weatherproof locks prevent corrosion and ensure longevity.
  • Compatibility with Door Material: Whether your doors are wood, metal, or fiberglass, make sure the lock you choose fits well.

Budget Considerations

Locks for double doors come in a wide price range. I balanced cost with quality, opting for a reliable lock that fit my budget. Sometimes spending a bit more upfront saves money and hassle later.

Final Tips From My Experience

  • Measure your doors carefully before buying.
  • Consider consulting a locksmith if you’re unsure about installation or security needs.
  • Test the lock mechanism before final installation to ensure smooth operation.
  • Don’t forget to secure both doors properly — the weakest point can compromise your security.

I hope my guide helps you find the perfect lock for your double doors! It made a big difference in my home’s safety and convenience.

Author Profile

Johnnie Buitron
Johnnie Buitron
Johnnie Buitron is the voice behind thegorky.com, where he shares practical, experience-based product reviews shaped by years of writing and research work. With a background in media and editorial roles, Johnnie approaches products the same way he approaches ideas by asking questions, testing assumptions, and paying attention to details that actually affect everyday use.

Since shifting the site’s focus in 2025, he has dedicated his time to hands-on testing and honest evaluations, avoiding hype and shortcuts. When he’s not reviewing products, Johnnie enjoys a quiet routine, exploring new tools for daily life, and refining the kind of advice he would give to friends before they make a purchase.