Best Mortise Locks for Fire Door of 2025

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Mortise locks for fire doors are essential safety components for any building. These locks are specifically designed to be used on fire doors, which are required by law in many commercial and public buildings. They provide a secure locking mechanism that ensures the door remains closed during a fire, helping to prevent the spread of flames and smoke. These locks are available in a variety of styles and finishes, making them suitable for a range of different settings. Investing in high-quality mortise locks for fire doors is important to ensure the safety of building occupants and comply with fire safety regulations.
At a Glance: Our Top Picks
Top 10 Mortise Locks for Fire Door
Decoranddecor Sash Mortice Door Lock - Matt Black
The Decoranddecor Mortice Lock offers a stylish and secure solution for your interior doors. With its elegant matt black finish, it enhances your home's design while providing essential safety features. Being fire-rated and UKCA & CE approved ensures that you can enjoy peace of mind knowing your home is protected. Each lock comes complete with keys for your convenience, allowing for easy access without compromising on security. Available in two sizes, this lock is a versatile choice for various door types.
3 Lever Polished Chrome Mortice Sashlock by Infinity Decor
The Infinity Decor Mortice Sashlock offers a robust solution for securing your internal and external doors. Made from high-quality iron, it ensures durability and long-lasting use. Its three-lever locking mechanism provides essential security, perfect for both homes and commercial properties. With fire-rated protection, this lock helps prevent the spread of fire for up to 30 minutes, enhancing safety. Additionally, the reversible catch allows for easy installation, making it user-friendly for anyone looking to upgrade their door security without professional help.
XFORT® 3 Lever Brass Mortice Sashlock
The XFORT® Brass Mortice Lock provides enhanced security with its solid brass latch and deadbolt, making it a reliable choice for safeguarding your home. It has been rigorously tested and is CE approved, ensuring it meets high safety standards, including fire rate testing. The unique ROTALATCH technology offers a patented latch bolt reverse system for added convenience. Additionally, this lock is designed for a wide application, fitting both left and right-handed doors, which makes it versatile for any internal wooden door.
Infinity Decor 2.5” Nickel Plated Mortice Lock
The Infinity Decor Mortice Lock is designed for both internal and external wooden doors, providing security with its high-quality cast-iron construction. Its modern style ensures that door knobs are placed safely away from the frame, preventing finger traps. The latch lock bolt mechanism allows for smooth operation, making it easy for you to open and close doors. Additionally, the adjustable strike plates eliminate rattling, enhancing your overall door experience.
3 Lever Polished Chrome Bathroom Lock
The Infinity Decor Bathroom Lock is a versatile choice for your internal wooden doors. It comes with everything you need, including two keys and a striker plate, ensuring you can install it easily. This lock is reversible, making it suitable for both left and right-handed doors, offering great flexibility. Its durable brass construction guarantees longevity and security, perfect for areas requiring discretion, such as bedrooms and storage spaces. With a heavy-duty latch tested for 50,000 cycles, you can rely on its performance for years to come.
ABUS EFS65 Heavy Duty Mortise Lock for Fire Exits
The ABUS EFS65 Mortise Lock is designed specifically for fire doors, providing a heavy-duty solution for your security needs. When you pull the door, only the latch is engaged, ensuring ease of use and quick access. This feature is crucial during emergencies, allowing for rapid exit. The latch is activated by the door cylinder upon closing, enhancing security while also making it convenient for everyday use. This lock is a reliable choice for anyone seeking safety and efficiency.
76mm FD30 Fire Rated Mortice Sashlock Pack
The Fire Essentials Sashlock is a comprehensive solution for your fire door needs. It features a 76mm Mortice Euro Profile Sashlock, ensuring robust security with its face plate and strike plate. The fire-rated cylinder thumbturn adds convenience, allowing you to unlock your door quickly in emergencies. Additionally, all necessary fixings and fitting instructions are included, making for a simpler installation process. With the included intumescent pad, you can feel confident that your fire safety standards are met.
HANDLEZONE® 76mm Silver Nickel Mortice Sashlock
The HANDLEZONE® Mortice Sashlock is a reliable security solution for your internal timber doors. With a fire-rated design, it ensures safety while providing key-operated locking for added peace of mind. The satin nickel finish gives it a contemporary look, making it suitable for various home styles. Its versatile design allows you to use it with key covers or complete lever lock handle sets, ensuring you can tailor it to your needs easily.
Yale AF840HZCE Fire Door Lock with Euro Cylinder
The Yale Fire Door Lock offers robust security with its fire lock featuring a euro profile cylinder, ensuring strong protection for your property. Made from galvanised steel, both the front and lock are designed to withstand harsh conditions, providing long-lasting durability. The galvanised box further enhances its resilience against the elements. With a distance between the axis of 72 mm, this lock is compatible with various door installations, making it a versatile choice for your safety needs.
Matt Black Fire Rated Bathroom Lock 63mm
The Infinity Decor Bathroom Lock is a heavy-duty solution for your bathroom, crafted from high-quality iron for durability and security. With fire-rated protection, it offers peace of mind by preventing fire from spreading to wooden doors for up to 30 minutes. Its two-way action allows you to easily operate the door knobs in both directions, enhancing convenience. Plus, the reversible catch simplifies installation, making it user-friendly and hassle-free for anyone looking to upgrade their doors.
Frequently Asked Questions (FAQs)
1. Can you have a mortice lock on a fire door?
A fire door must remain closed within the frame and therefore a latch or lock will ensure this happens. We recommend roller catches, rim latched, mortise latches and mortise locks.
2. Do fire doors need fire rated locks?
When you're looking at locks for fire doors, it is important that you remember the lock its self needs to be fire-rated for whatever grade fire door you have.
3. Can Fire doors have a lock?
Fire exit doors must not be locked with a key or padlock whilst a building is in use. However, when a building is unoccupied it can be locked as securely as required.
4. Are mortise locks worth it?
Mortise Locks While more expensive than a cylindrical lock, a mortise lock is worth the extra cost as it includes a deadbolt, can last a lifetime and is aesthetically-pleasing (the old-world, thumb latch handle is very popular).
During our mortise lock for fire door research, we found 63 mortise lock for fire door products and shortlisted 10 quality products. We collected and analyzed 12,962 customer reviews through our big data system to write the mortise locks for fire door list. We found that most customers choose mortise locks for fire door with an average price of £17.44.
The mortise locks for fire door are available for purchase. We have researched hundreds of brands and picked the top brands of mortise locks for fire door, including Decoranddecor, Infinity Decor, XFORT, ABUS, Fire Essentials Door Products. The seller of top 1 product has received honest feedback from 310 consumers with an average rating of 4.8.

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.