Door Lock Types: Buying Guide

Types of door locks

Different types of door locks offer unique features and varying levels of security. By understanding these options, you can select a lock that not only meets your security needs but also complements your door's aesthetic.  

Deadbolt locks

Deadbolt locks are known for their strength and durability. They work by extending a solid metal bolt into the door frame, preventing forced entry. As a result, this makes them one of the most secure types of door locks. They are typically used on external doors and come in single-cylinder and double-cylinder varieties, each offering different levels of security and convenience.

Mortise locks

Mortise locks are installed by fitting them into a pocket cut into the door, providing a higher level of security compared to other lock types. Thanks to their robust construction and intricate mechanism, mortise locks are highly resistant to tampering and forced entry, making them an excellent choice for both residential and commercial spaces.

Available in a variety of lever and knob styles, mortise locks offer flexibility in design while maintaining high security. Although the installation process can be more complex compared to other locks, the durability and strength of mortise locks make them a worthwhile investment for long-term safety and peace of mind.

Lever handle locks

Lever handle locks are commonly used for interior doors and require less force to turn than other lock types, offering smooth operation without the need for excessive twisting or gripping. The primary advantage of these locks lies in accessibility, making them a great choice for individuals with disabilities or the elderly. Consider pairing them with a more secure lock, as without this they may be vulnerable to forced entry.

Cylinder locks

Cylinder locks are one of the most common types of door locks used in both residential and commercial settings, offering easy installation and a high level of security. These locks operate using a key inserted into a cylindrical housing or cylinder, which contains pins that align with the key to allow the lock to turn.

Available in various types, including single-cylinder, (where a key is used on the outside and a thumb turn on the inside) and double-cylinder (where keys are required on both sides), cylinder locks provide flexibility for various needs. Cylinder locks are commonly used on exterior doors in homes and are available in various styles and finishes. This allows you to choose a solution to meet your security needs and aesthetic preferences.

Rim locks

Rim locks are mounted on the surface of the door and are often used in older homes. While they may not provide the highest level of security on their own, when paired with other locking mechanisms, such as a deadbolt, they can successfully enhance the overall security of a door. Known for their vintage appeal, rim locks add a touch of character to a home's entryway and are suitable for those looking to maintain a traditional aesthetic while ensuring a basic level of protection.

Multipoint locks

Multipoint locks are high-security locking systems commonly used on external doors. Unlike traditional locks that secure the door at a single point, multipoint locks engage at multiple points along the door frame – typically at the top, middle, and bottom. This multi-point locking mechanism enhances security by making it much harder for intruders to force the door open. 

These locks are often operated by lifting the door handle and turning a key, which activates all the locking points simultaneously. Multipoint locks are particularly popular with uPVC, composite, and timber doors due to their superior strength, weather resistance, and ability to improve door alignment, reducing drafts and increasing energy efficiency. 

Night latches

Night latches are surface-mounted locks typically used on residential front doors. Installed on the inside of the door, they use a latching mechanism that can only be opened from the outside with a key. From the inside, night latches are operated with a knob or lever, and many models include a snib button to hold the latch open or a deadlock for added security. 

Popular for their ease of use, night latches automatically lock when the door is closed. They are ideal for high-traffic entry doors and are often paired with a deadbolt or mortise lock for enhanced security. 

Electronic and smart locks

Electronic and smart locks provide enhanced security and convenience by removing the need for traditional keys. Instead, they use digital methods to control access to homes and businesses. 

Factors to consider when choosing a door lock

When selecting a door lock, it’s important to consider several factors to ensure it meets your specific needs. These include: 

Security needs

Evaluate the security requirements of your home to determine the correct lock for you. Consider the location and the vulnerability of each entry point. Some doors require more robust security measures than others, depending on their location and exposure to potential threats. For example, a high-security lock, such as a deadbolt or smart lock, is typically the best choice for external doors, while interior doors may only need a simpler knob or lever handle lock.

Door material

Consider the material and thickness of your door, as this can significantly impact the effectiveness of a lock. Heavier, solid-core doors provide better support for high-security locks, while hollow-core doors may require additional reinforcement. For exterior doors, opting for a solid-core construction will maximise security. 

Ease of use

It’s important to choose a lock that’s easy for all household members to use, especially in emergencies where quick access may be necessary. Whether you prefer using a key, a keypad, or a smart lock with app-based access, make sure you balance security with accessibility to find the right solution. 

Budget

Locks are available in a wide range of price points, influenced by their security features, materials, and design. Determine your budget, then look for locks that offer the best combination of protection, durability and reliability within that range. Investing in a high-quality lock can save you from potential losses and offer peace of mind in the long run, rather than just opting for the cheapest option.

Aesthetic appeal

While the primary purpose of a lock lies in its functionality, they also play a role in the overall design of your home. Choosing a lock that complements your home's style can enhance the appearance of your doors while still providing maximum security. Consider the finishes and materials used in your home's décor and select locks that blend seamlessly with your interior.

Installation tips

Proper installation of door locks is essential for maximising security. Whether you’re installing the lock yourself or hiring a professional, these tips will ensure the process runs smoothly. 

Maintenance and care

Proper maintenance of your locks is essential for extending their lifespan and preventing malfunctions. Consider the following tips for maintaining your locks:

Lubricate locks regularly

Using a graphite lubricant will keep the lock mechanism operating smoothly. Regular lubrication prevents rust and corrosion, maintaining the lock's functionality over time.

Check for wear and tear

Inspecting locks for wear and tear regularly prevents more significant damage further down the line. It also ensures your locks continue to work as they should. If any parts appear worn or damaged, they should be replaced immediately. 

Keep keys safe

Keys should be stored securely and hiding them in obvious locations close to the door should be avoided. Prevent unauthorised access by using a secure key storage solution, such as a key safe.

Discover door locks with IronmongeryDirect

Now that you understand the important role door locks play in keeping your home safe and protected, all that’s left to do is maximise your security. Discover our wide range of high-performance door locks at IronmongeryDirect, where you’ll find the perfect solution to meet your security requirements.

FAQ

Can door locks be rekeyed?

Yes, many door locks can be rekeyed, but it depends on the type of lock. If you’re unsure whether your door lock needs to be replaced or rekeyed, you can read our blog, “When should I replace my door locks?”, to find the right solution for you. 

How much does it cost to change a lock on a uPVC door?

​The cost to change a lock on a uPVC door can vary depending on several factors, including the type of lock, the complexity of installation, time of service, and location. The typical cost for changing a lock on a uPVC door ranges between £75 and £125. 

Are locks easy to replace?

Replacing door locks is a relatively straightforward task. However, the ease of replacement depends on the type of lock and the door you’re working with. Standard door locks are generally easy to replace in comparison to smart locks, which require additional wiring or programming. If your lock is complex, it’s advisable to hire a professional locksmith to ensure proper installation.

Should you change door locks after buying a house?

Yes, it’s highly recommended to change door locks after buying a house. The previous owners may still have a set of keys, posing a security threat. By installing new locks, you’ll have full knowledge of the locks installed in your home as well as complete control over who has access, enhancing your security while giving you peace of mind.