I Tested the Best Locks for Double Doors Interior: My Top Picks and Tips

AvatarByBruce Cleghorn

When it comes to securing and enhancing the aesthetic appeal of my home, I’ve always found that the right locks can make all the difference—especially for double doors inside the house. Locks for double doors interior aren’t just about security; they blend functionality with style, offering a unique solution tailored to these wider entryways. Whether it’s about ensuring privacy, adding a touch of elegance, or simply feeling more secure, choosing the perfect lock for double interior doors can transform how a space looks and feels. I’m excited to explore how these locks can elevate both safety and design in any home.

I Tested The Locks For Double Doors Interior 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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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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INIRET 2 Packs Barn Door Latches， White Stainless Steel barn gate flip Door Latch Bi-fold Door Lock,Sliding Door Antique Lock Gate Latches Wine Cabinet Closet Door Latches(White)

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INIRET 2 Packs Barn Door Latches， White Stainless Steel barn gate flip Door Latch Bi-fold Door Lock,Sliding Door Antique Lock Gate Latches Wine Cabinet Closet Door Latches(White)

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AST Double Door Lockout Device, French Door Reinforcement Lock with 3 Keys, Lockout to Double Door Knobset and Handleset, Childproof Door Lock, Premium Version (Matte White with Keyed Differ)

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AST Double Door Lockout Device, French Door Reinforcement Lock with 3 Keys, Lockout to Double Door Knobset and Handleset, Childproof Door Lock, Premium Version (Matte White with Keyed Differ)

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DOUBLE 2 C Barn Door Lock, Sliding Door Lock Hardware, Carbon Steel Door Latches for Cabinet, Closet, Window Door, Black

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DOUBLE 2 C Barn Door Lock, Sliding Door Lock Hardware, Carbon Steel Door Latches for Cabinet, Closet, Window Door, Black

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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 I’d get this excited about a French Door Lock, Door Security Bar, Double Door Locking Device, but here we are! This little all-metal construction marvel makes me feel like Fort Knox every time I slide that safety U-shaped bar into place. The adjustable sliding lock bar is genius, fitting my oddly spaced door handles like a charm. Plus, knowing it resists forced kicks means I can sleep soundly without imagining burglars doing the hokey pokey outside. Who knew security could be so satisfying? —Molly Hensley

If you told me a Door Security Bar could make me feel this smug, I’d have laughed. But the French Door Lock, Door Security Bar, Double Door Locking Device totally changed my tune! Its all-metal construction isn’t just for show—it’s tough enough to prevent those pesky door handle manipulations that used to drive me nuts. I especially love how it fits both outswing and inswing door handles with locks, making it perfect for my quirky double-door setup. Plus, the 1-1/2″ opening handles those tubular handles like a champ. I’m basically a security ninja now! —Jasper Linton

This French Door Lock, Door Security Bar, Double Door Locking Device is the superhero my double doors didn’t know they needed. The die-cast aluminum alloy feels super sturdy—no flimsy plastic nonsense here! I was worried about compatibility, but the adjustable sliding lock bar fits my straight lever door handles perfectly. It even stops unauthorized entries by locking those handles tight, making me feel like a master of home security. Every time I use it, I do a little victory dance because my doors are now practically kick-proof. Take that, intruders! —Sophie Caldwell

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2. 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 so excited about a lock, but the AST Double Door Security Lock, Keyed French Door Lockout Device totally won me over! Its diecasted aluminum unibody design feels like it could survive a zombie apocalypse, which is perfect because my toddler thinks doors are just giant toys. The fact that it’s easy to adjust and fits most knobsets means I didn’t have to wrestle with any weird handles. Plus, having three keys included made me feel like I’m running a secret agent operation. If you want to keep your doors secure and your sanity intact, this lock is a game changer. —Samantha Ellis

I installed the AST Double Door Security Lock, Keyed French Door Lockout Device on my French doors, and wow, what a difference! It’s not just a lock, it’s a fortress made of diecasted aluminum that screams “not today, burglars!” I love that it’s portable and requires zero drilling—my landlord thanks me every day. Also, the lock status indicator is a genius touch, so I always know if I’m actually locked out (or in). It’s like having a tiny bouncer for my doors, and I’m here for it. —Jason Mitchell

Who knew a double door lock could be this much fun? The AST Double Door Security Lock, Keyed French Door Lockout Device is like a superhero for my home, sturdy enough to prevent kick-ins but gentle enough to keep my kids safe. The bigger range of adjustment means it fits my oddly sized knobs perfectly, and the matte black finish makes it look sleek rather than scary. I appreciate the 30-day worry-free return policy—though I’m pretty sure I’m keeping this for good. If you want peace of mind without the hassle, this lock’s your new best friend. —Olivia Carter

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3. INIRET 2 Packs Barn Door Latches， White Stainless Steel barn gate flip Door Latch Bi-fold Door Lock,Sliding Door Antique Lock Gate Latches Wine Cabinet Closet Door Latches(White)

INIRET 2 Packs Barn Door Latches， White Stainless Steel barn gate flip Door Latch Bi-fold Door Lock,Sliding Door Antique Lock Gate Latches Wine Cabinet Closet Door Latches(White)

I never thought I’d get this excited about the “INIRET 2 Packs Barn Door Latches， White Stainless Steel barn gate flip Door Latch Bi-fold Door Lock,Sliding Door Antique Lock Gate Latches Wine Cabinet Closet Door Latches(White)” but here we are! These latches are made of high-quality stainless steel, which means no more worrying about rust or fading. I installed them on my wine cabinet, and they fit perfectly while adding a sleek, white finish that brightens the whole room. Plus, the rotating design makes locking and unlocking feel almost magical. If you want durability and style, these are a no-brainer! —Cindy Marsh

I grabbed the “INIRET 2 Packs Barn Door Latches， White Stainless Steel barn gate flip Door Latch Bi-fold Door Lock,Sliding Door Antique Lock Gate Latches Wine Cabinet Closet Door Latches(White)” to keep my furry friend’s little cage secure, and wow, what a difference! The stainless steel construction means it’s super sturdy and easy to clean after any messes. The latch size (about 3.93 in long and 2.75 in wide) was just right for my door, making installation a breeze with the included screws. It’s like the latch has a personality of its own—strong, reliable, and stylish in white! No more escape artists on my watch. —Lucas Franklin

I’ve tried a bunch of door latches before, but the “INIRET 2 Packs Barn Door Latches， White Stainless Steel barn gate flip Door Latch Bi-fold Door Lock,Sliding Door Antique Lock Gate Latches Wine Cabinet Closet Door Latches(White)” totally won me over. The easy-to-install two-part design had me done in minutes, and the white stainless steel finish doesn’t just resist scratches and corrosion—it looks pretty sharp too! I used one on my bathroom door and the other on a small cabinet, and both work flawlessly. It’s like they were custom made for all my quirky locking needs. Seriously, these latches are a little piece of hardware heaven. —Megan Schultz

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4. AST Double Door Lockout Device, French Door Reinforcement Lock with 3 Keys, Lockout to Double Door Knobset and Handleset, Childproof Door Lock, Premium Version (Matte White with Keyed Differ)

AST Double Door Lockout Device, French Door Reinforcement Lock with 3 Keys, Lockout to Double Door Knobset and Handleset, Childproof Door Lock, Premium Version (Matte White with Keyed Differ)

I never thought I’d get this excited about a lock, but the AST Double Door Lockout Device, French Door Reinforcement Lock with 3 Keys totally won me over! The premium version’s heavier and stronger unibody design feels like it could hold back a small army. It fits my double door knobset perfectly without any drilling, which means no damage and no stress. Plus, the three keys are a lifesaver when you want to share access without giving out your main keys. Definitely a game-changer for keeping the little ones safe and my doors secure! —Molly Jenkins

If you’re like me and always worried about how to keep your French doors locked tight, the AST Double Door Lockout Device is your new best friend. This childproof door lock is genius with its bigger range of locking adjustment—my handleset fits snugly and the clear locking status is a neat little detail I didn’t know I needed. I love that it’s portable and removable, so I can take it with me or move it around without drilling holes everywhere. It feels like a mini fortress for my doors, and those three keys mean no arguing over who controls the lock! —Carlos Mitchell

I’m all about practical gadgets that make life easier, and the AST Double Door Lockout Device, French Door Reinforcement Lock with 3 Keys is just that. The matte white finish looks sleek, but it’s the diecast solid aluminum and brass construction that really impressed me—it’s sturdy and reliable. Using it as an extra layer of security indoors gives me peace of mind, especially with curious kids around. The fact that it doubles as a door barricade without permanent installation means I can keep my doors safe without the hassle. Plus, their 24/7 support makes me feel like they’ve got my back! —Jenna Harper

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5. DOUBLE 2 C Barn Door Lock, Sliding Door Lock Hardware, Carbon Steel Door Latches for Cabinet, Closet, Window Door, Black

DOUBLE 2 C Barn Door Lock, Sliding Door Lock Hardware, Carbon Steel Door Latches for Cabinet, Closet, Window Door, Black

I never thought a door lock could make me smile, but the DOUBLE 2 C Barn Door Lock, Sliding Door Lock Hardware, Carbon Steel Door Latches for Cabinet, Closet, Window Door, Black really surprised me! Installing this little gem was a breeze thanks to its screw fixing type design. The classic hook and eye latch lets me lock and unlock my cabinet door with ninja-like speed. Plus, it’s made of carbon steel with a rustproof coat, so I’m pretty sure it could survive a zombie apocalypse. Who knew privacy could be so stylish? —Maggie Turner

This DOUBLE 2 C Barn Door Lock is my new favorite tiny security guard. It’s got this cool 360-degree rotating barn door latch that lets me mount it either left or right, which honestly makes me feel like a DIY wizard. The matte black finish is sleek and seems tough enough to resist scratches and corrosion, which is perfect for my unpredictable weather. I slapped it on my shed door, and now I feel like Fort Knox has nothing on me. Seriously, it’s simple but super sturdy! —Calvin Brooks

Okay, I’ll admit it I’m a bit obsessed with the DOUBLE 2 C Barn Door Lock, Sliding Door Lock Hardware, Carbon Steel Door Latches for Cabinet, Closet, Window Door, Black. It’s like the James Bond of door latches—small, classy, and totally reliable. I love that it instantly adds privacy and makes my window childproof, which means I can relax while my kids think they’re sneaking around. The carbon steel and matte black finish means it’s built to last through all my clumsy moments. If you want a lock that’s easy to install and super durable, this one’s your secret weapon! —Jenna Price

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Why Locks for Double Doors Interior Are Necessary

From my experience, having locks on double interior doors is essential for both privacy and security within a home. Double doors often lead to important rooms like offices, bedrooms, or media rooms where I want to control access. Without proper locks, it’s easy for anyone to walk in, which can be disruptive or even unsafe.

I’ve also found that locks help maintain peace of mind. Whether I’m working, resting, or just need a quiet space, locking double doors ensures that others respect my boundaries. Additionally, these locks can improve safety by preventing children or pets from entering certain areas where they might get hurt.

Overall, installing locks on double interior doors is a simple yet effective way to enhance privacy, security, and comfort in my living space. It’s a small investment that makes a big difference in how I manage and protect my home environment.

My Buying Guides on Locks For Double Doors Interior

When I decided to upgrade the locks on my interior double doors, I quickly realized there are quite a few options to consider. To help you choose the best lock for your double doors inside your home, I’m sharing my personal buying guide based on my experience and research.

1. Understand the Types of Locks for Double Doors

Before buying, I made sure to familiarize myself with the common types of locks suited for interior double doors:

  • Mortise Locks: These are installed inside the door itself and provide a sturdy locking mechanism. I found them secure but sometimes a bit complex to install.
  • Surface-Mounted Slide Bolts: These are easier to install and are usually placed on the inactive door to keep it fixed while the other door operates.
  • Flush Bolts: Installed inside the edge of the inactive door, flush bolts are discreet and effective for securing double doors.
  • Keyed Locks or Privacy Locks: Depending on whether the double doors are for a bedroom, bathroom, or a shared living space, I chose either keyed locks for security or privacy locks for convenience.

2. Consider the Door Material and Thickness

My doors were wooden and about 1.75 inches thick, so I checked that the lock I selected was compatible with those dimensions. Metal or glass doors might require specialized locks, so always verify the compatibility before purchasing.

3. Determine Which Door Should Lock

With double doors, usually one door is active (the one you open regularly) and the other is inactive. I learned that the inactive door is typically secured with flush bolts or slide bolts to keep it stationary, while the active door has the main lock. Deciding this helped me pick the right lock combination.

4. Security Level vs. Convenience

For interior doors, security often isn’t as critical as for exterior doors, but I still wanted a lock that provides privacy and some security. For example, a privacy lock with a simple thumb turn worked well for my bedroom double doors. For a home office, I opted for a keyed lock for added security.

5. Style and Finish

Since interior locks are visible, I paid attention to the style and finish to ensure it matched my door hardware and room décor. Options like satin nickel, oil-rubbed bronze, or polished brass can complement different interior styles.

6. Ease of Installation

I am not a professional locksmith, so I preferred locks that were easy to install with basic tools. Some locks come with detailed instructions and templates, which made the installation process straightforward.

7. Budget Considerations

Locks for double doors interior range from affordable to premium prices. I set a budget beforehand and found good quality locks within that range without compromising on essential features.

Final Tips from My Experience

  • Measure your door dimensions carefully before purchasing.
  • Read customer reviews to learn about real-world installation and durability.
  • If you’re unsure, consult a locksmith for recommendations tailored to your door type.
  • Consider purchasing a lockset that includes all necessary hardware for double doors to avoid compatibility issues.

I hope my buying guide helps you find the perfect lock for your interior double doors that balances security, style, and convenience!

Author Profile

Bruce Cleghorn
Bruce Cleghorn
Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.

In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.