Types Of Locks Comprehensive Guide to Ensuring Security (2026)

Locksmiths
02/08/2023

Table of Contents

Understanding the types of locks available is essential for keeping your property secure. From traditional locking systems to modern smart security, knowing the different types of locks helps you choose the right protection for your home or business.

Rim Cylinders ( types of lock)

Rim cylinders are part of a rim night latch locking system (often referred to as a Yale lock). They are commonly found on wooden doors and are one of the most recognised types of door locks. This type of lock is fitted externally, where the key is inserted to operate the mechanism.

Rim cylinders have been used for many years due to their simplicity and reliability. While they are still widely used, they are often combined with other locks for improved security.

Types Of Locks Comprehensive Guide to Ensuring Security
Types Of Locks Comprehensive Guide to Ensuring Security

Push-Button Locks ( types of lock)

Push-button locks are a keyless locking system that operates when the correct combination of buttons is pressed. Once the correct sequence is entered, the door can be opened by turning the handle.

These locks offer convenience and eliminate the need for keys. They are commonly used in offices or internal doors and are considered a modern option among the different types of locks available today.

Euro Cylinder (Types of Locks On A Door)

Euro cylinder locks are one of the most common types of locks on a door, especially in uPVC and composite doors. Basic five-pin cylinders are widely used due to their affordability, but they may not offer the highest level of security.

Standard euro cylinders can be vulnerable to certain break-in methods, which is why many homeowners upgrade to more secure options.

Upgraded Euro Profile Lock

Upgraded euro cylinder locks provide enhanced protection with features such as anti-snap, anti-drill, anti-pick, and anti-bump technology. These locks are designed to improve overall door security and are widely recommended for external doors.

They are commonly used in uPVC doors and are considered a strong choice for anyone looking to improve their home security, especially in areas like Durham.

Deadlocks

Deadlocks, also known as mortice locks, are fitted داخل the door and are operated with a key from both sides. These locks are commonly found on wooden doors and provide a higher level of security compared to surface-mounted locks.

Many deadlocks meet insurance standards such as BS3621, making them a reliable option for securing external doors.

UPVC Internal Mechanism

The UPVC internal mechanism, also known as a gearbox, is a key component of multi-point locking systems. In many cases, when a UPVC lock fails, only the internal mechanism needs to be replaced rather than the entire lock.

This makes repairs more cost-effective while still maintaining security. These systems are widely used in modern doors and are an important part of types of door locks used today.

Shutter Bullet Lock
Shutter Bullet Lock

Shop Shutter Bullet Lock

Shutter locks are essential for commercial properties, helping secure shopfronts, warehouses, and business premises. Bullet locks and housing locks are commonly used on roller shutters to provide strong protection against forced entry.

These locks are an important category within different types of locks, especially for business security.

Night Latch

A night latch is a surface-mounted lock fitted on the inside of a door. It is operated with a key from the outside and a latch from the inside, making it convenient for everyday use.

However, night latches are responsible for a significant number of lockouts, so they are often used alongside other locks for better security.

If you experience issues with your night latch, a professional locksmith in Durham can provide fast assistance.

Sash Lock

A sash lock is a combination of a latch and locking mechanism, allowing the door to be opened and closed easily while still being securely locked when needed.

These locks are commonly used on wooden doors and are available in various security levels. Many are insurance-approved and include the BS3621 Kitemark.

Wireless Video doorbell

A wireless video doorbell is a modern security addition that helps improve overall home protection. It allows homeowners to monitor their property, receive alerts, and communicate with visitors remotely.

Devices from Ring offer features such as motion detection and smartphone connectivity, making them a popular choice for enhancing security.

Which Type of Lock Is Best for You?

The best choice depends on your property type and security needs. Homes often benefit from a combination of deadlocks and high-security cylinders, while businesses may require shutter locks or advanced systems.

If you’re unsure which option is right, consulting a professional locksmith can help you choose the most secure solution.

If you need help with installation or repairs, explore our services such as emergency locksmith in Durham, uPVC locksmith services, or commercial locksmith services for expert support.

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