Best Sterling Mortise Locks of 2025

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Mortise locks are an essential part of any secure door system. They are designed to provide a high level of security, durability and reliability. Sterling is a trusted brand that offers a range of mortise locks suitable for both residential and commercial properties. These locks are made from high-quality materials and are available in a variety of styles to suit different applications. Whether you need a mortise lock for your front door, office, or warehouse, Sterling has a solution that will meet your needs.
At a Glance: Our Top Picks
Top 4 Sterling Mortise Locks
Sterling MLS330 Brass 3-Lever Sashlock
The Sterling MLS330 Sashlock offers a reliable 3-lever design, ensuring robust security for your doors. Its easy reversible latch allows you to change the handing without needing to open the lock case, making installation simpler. This sashlock is compatible with sprung furniture featuring an 8mm spindle, which means it can fit various door types. Additionally, it has a UK backset, ensuring it meets local standards for door fittings.
Sterling 65mm Brass Mortice Latch Pack
The Sterling Mortice Latch offers a pack of four 65mm brass tubular latches, perfect for various applications. The high-quality sprung latch ensures effortless operation, making it easy for you to open and close doors smoothly. Its design is suitable for both commercial and domestic use, providing versatility in different settings. Additionally, the brass finish, which includes a striker plate and screws, ensures a stylish and durable solution for your door locking needs.
Sterling 3-Lever Brass Bathroom Lock
The Sterling Bathroom Lock offers a convenient and user-friendly design. Its easy reversible latch allows you to adjust the lock without needing to open the case, providing flexibility during installation. The lock is compatible with bolt through fixings, adding to its versatility. With a thumbturn operated deadbolt, you can secure your bathroom with ease and peace of mind. Remember, this is a bathroom lock, so it does not come with a key, making it perfect for private spaces.
Sterling MLD325N 2.5-inch Deadlock - Nickel
The Sterling MLD325N Deadlock is a reliable mortise lock designed to enhance your security. With its 2.5-inch size, it fits standard doors perfectly, providing a sturdy barrier. This 3-lever design offers improved protection against forced entry, giving you peace of mind. The nickel finish not only adds a touch of elegance but also ensures durability against wear and tear. By choosing this deadlock, you invest in a robust locking mechanism that secures your home effectively.
During our Sterling mortise lock research, we found 4 Sterling mortise lock products and shortlisted 4 quality products. We collected and analyzed 9,388 customer reviews through our big data system to write the Sterling mortise locks list. We found that most customers choose Sterling mortise locks with an average price of £6.88.
The Sterling mortise locks are available for purchase. The top 4 picks range in price from a low of £2.00 to a high of £8.00, find the one that fits your budget.

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.