Intercom Systems
EST delivers smart intercom solutions — connecting people, controlling access, and keeping your premises secure.
- Highly accredited intercom installers
- Working across the whole of London
- Trusted by thousands of customers
Intercom Systems — Supply, Installation, and Maintenance by EST Ltd
Effective visitor management begins at the point of entry. An intercom system gives your team control over who is admitted to your premises, creates an auditable record of visitor interactions, and integrates with access control systems to allow remote door release without the need for a staffed reception at every access point. EST Ltd designs, supplies, installs, and maintains intercom systems for commercial, industrial, healthcare, educational, and public sector clients across the UK.
As an SSAIB certificated company and ISO 9001:2015 registered firm, EST Ltd delivers intercom solutions that are correctly specified for each site, professionally installed, and backed by comprehensive maintenance and support. We work with the leading intercom system manufacturers and specify the most appropriate technology for each application, from simple single-door audio intercoms through to fully integrated video intercom platforms managing multiple access points across large commercial estates.
Types of Intercom System EST Ltd Installs
EST Ltd specifies each installation based on the size and layout of the site, the volume of visitor traffic, the level of visitor identification required, and the access control infrastructure in place.
Audio Intercom Systems
Audio intercom systems provide two-way voice communication between a visitor at the entry point and a member of staff at an internal handset or panel. They are appropriate for sites with lower visitor volumes where visual identification is not required and where cost-effectiveness is a primary consideration.
Video Intercom Systems
Video intercom systems add a camera to the entry point, allowing staff to visually identify visitors before granting access. This significantly improves security and provides a visual record of every visitor interaction. EST Ltd installs video intercom systems with colour cameras, night vision capability, and high-definition image quality for reliable identification in all lighting conditions.
IP and Cloud-Based Intercom Systems
IP-based intercoms transmit audio and video over the building network, allowing intercoms to be managed centrally and accessed from any authorised device. Cloud-based platforms enable remote answering and door release from any internet-connected device including smartphones, which is particularly valuable for unmanned entry points or flexible working arrangements.
Intercom Integration With Access Control
EST Ltd designs intercom systems to integrate seamlessly with access control platforms, allowing a single door release action from the intercom panel to unlock the corresponding access-controlled door. We integrate with proximity card readers, keypad systems, biometric readers, and all major access control platforms.
Intercom Maintenance and Servicing
EST Ltd provides maintenance contracts for intercom systems of all types, ensuring communication quality remains clear, camera images remain sharp, and door release functions operate reliably. We maintain intercom systems installed by EST Ltd and those installed by other providers.
Frequently Asked Questions
What is the difference between an audio and a video intercom system?
An audio intercom allows voice communication only. A video intercom adds a camera so staff can visually identify the visitor before granting access. Video intercom systems provide a significantly higher level of visitor verification and are the recommended choice for most commercial applications.
Can an intercom system be answered on a smartphone?
Yes. Cloud-based and IP intercom systems can forward incoming calls to a smartphone app, allowing remote answering and door release from anywhere with an internet connection.
Can intercom systems be integrated with existing access control?
Yes. EST Ltd designs intercom installations to integrate with a wide range of access control platforms, enabling door release directly from the intercom handset or app.
Do you install intercom systems for multi-tenant commercial buildings?
Yes. EST Ltd installs intercom systems for multi-tenant office buildings, managed workspace facilities, and mixed-use commercial properties, including systems that route calls to individual tenant handsets or devices.
How long does an intercom system installation take?
Timescales depend on the number of entry points, the type of system, and the extent of cabling work required. EST Ltd will provide a clear timeline following the site survey.
Arrange an Intercom System Survey with EST Ltd
Contact EST Ltd to arrange a site survey. Our engineers will assess each entry point, discuss your visitor management and access control objectives, and recommend the most appropriate intercom solution. We install and maintain intercom systems across the UK for clients in all sectors.
Proud to have worked with
Just a few of the clients we have worked with recently…
