Best Garage Door Locks of 2025

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Garage door locks are essential security devices designed to keep your garage and its contents safe from intruders. These locks come in a variety of styles and designs, from manual locks to automatic ones that can be controlled remotely. They are made of durable materials such as steel and are easy to install, making them a popular choice for homeowners looking to secure their garages. With the rising number of burglaries and break-ins, investing in a garage door lock is a smart way to protect your property and give you peace of mind.
At a Glance: Our Top Picks
Top 10 Garage Door Locks
Asec AS1997 Versatile Garage Door Lock
The Asec AS1997 Lock offers excellent versatility for your garage door security. It is suitable for both metal and wood doors, providing you with options regardless of your door's material. With a fitting capacity of up to 38 mm thickness, you can ensure a snug and secure installation. You can choose to operate the lock from either the inside or outside, enhancing convenience when accessing your garage. Additionally, the lock can be fitted either vertically or horizontally, allowing for flexible installation based on your specific requirements.
Bulldog Garage Door Lock with Hardened Steel Bolt
The Bulldog Garage Door Lock offers robust security for your garage. With a sturdy bracket measuring 142mm in height and 75mm in width, it provides a reliable mounting solution. The 6mm thick bracket ensures enhanced durability, giving you peace of mind. Additionally, the lock features a hardened steel lock bolt with a diameter of 25mm, making it difficult for intruders to tamper with. You will also appreciate the included coach bolts and reinforcing plate, which help to secure the lock firmly in place, ensuring your garage remains safe.
OTOTEC T-Handle Garage Door Lock with Spigots
The OTOTEC Garage Door Lock offers a reliable T-handle design, ensuring your garage is secure. With a spindle length of 75mm, it provides a perfect fit for various installations. The spigots have a hole-to-hole length of 50mm, making them compatible with different garage door systems. Included are two screws and two keys, giving you everything you need for easy installation and convenient access to your garage. You can also choose from various colours and shaft thicknesses to suit your preferences.
Sturdy Garage Door Locks with Keys
The Garage Door Lock Set is designed for both timber and metal garage doors, making it a versatile choice for your security needs. With three keys included, you will have easy access while ensuring your garage remains secure. Each lock measures 167mm in length, allowing for a robust installation on doors up to 38mm thick. The locks can be operated from both inside and outside, providing convenience and flexibility in use. Additionally, the hardened steel deadbolts offer an extra layer of security for your existing locks, safeguarding your belongings effectively.
Bulldog GD20 Garage Door Lock System
The Bulldog GD20 Lock is designed for easy installation, requiring just four screws, which are not included. You won't need to drill any holes in your garage door, making it a hassle-free solution for securing your garage contents. This lock not only protects your belongings but can also provide access to your home in certain situations. Weighing only 1.76 kilograms, it is lightweight yet effective, ensuring your peace of mind when it comes to security.
Sterling GT01 Silver Garage T Handle
The Sterling GT01 Handle is designed for convenience and security. Its long handle allows you to easily operate your garage door, making it user-friendly for daily use. The extra long screws ensure a secure fit, providing peace of mind that your garage is well-protected. Additionally, with two supplied keys, you can keep a spare handy or share access with family members, enhancing the ease of use. This garage T handle is a reliable choice for anyone looking to upgrade their garage door security.
Gliderol 5" New Style Garage Door Lock
The Gliderol Garage Door Lock features a new style design that enhances security for your garage. Measuring 5 inches, it fits seamlessly into your existing garage door setup, ensuring a snug and effective fit. With the Gliderol part number 3938-N/S, you can easily identify the correct lock for your needs. This lock not only provides convenience but also peace of mind, knowing that your garage is well-protected against unauthorized access.
OTOTEC Silver Door Guard Lock with 50mm Shaft
The OTOTEC Garage Door Lock is designed for security and convenience. With a spindle length of 50mm, it provides a robust locking mechanism for your garage door. The spigots measure 35mm, ensuring a secure fit. You will appreciate the hole-to-hole length of 50mm for easy installation. Additionally, this lock comes with two screws and two keys, so you can quickly secure your garage without fuss. You can also choose the colours, shaft thickness, and spigot lengths that best suit your needs.
Squire Garage Defender 5 Lock for Extra Security
The Squire Garage Defender 5 is designed to enhance the security of your up and over garage door. Its robust construction from hardened steel ensures that your valuables, such as bicycles and power tools, are well protected. The easy-to-use design allows you to unlock and operate it effortlessly, providing a hassle-free experience. Installation is straightforward, requiring only basic DIY skills, making it accessible for anyone wanting to secure their garage with minimal effort.
Garador 'T' Locking Handle for Garage Doors
The Garador 'T' Locking Handle is designed to fit various door models, including Mk3C, Mk4, C, F, R, DC, and DR doors. It comes complete with fixing bolts and two keys, ensuring you can secure your garage effectively. With a 100mm spindle, it offers a solid and reliable connection, enhancing the overall stability of your garage door. Although no longer available from Garador, this handle provides a convenient solution for those needing a dependable locking mechanism for their garage.
During our garage door lock research, we found 94 garage door lock products and shortlisted 10 quality products. We collected and analyzed 10,228 customer reviews through our big data system to write the garage door locks list. We found that most customers choose garage door locks with an average price of £18.82.
The garage door locks are available for purchase. We have researched hundreds of brands and picked the top brands of garage door locks, including Asec, Bulldog, OTOTEC, Sterling, Gliderol.

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.