Fire Alarm Installation London

Commercial fire alarm system installations in London and the wider Greater London region

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Fire Alarm Systems Installed to Meet Commercial Compliance


At Bolt, our engineers regularly deliver fire alarm system installations in London across a wide range of commercial and industrial environments. This includes warehouses still operating to offices still occupied to construction projects with multiple trades.

Before installation begins, we agree how works will be phased around your building occupancy and day-to-day operations. This planning allows fire alarm installation and commissioning to progress efficiently without disrupting daily operations or delaying the wider programme.

RRFSO 2005 and BS 5839 Compliance

Approved Fire Alarm Systems Ready for Sign Off


Every fire alarm installation in London is designed to align with your site’s fire risk assessment and delivered in accordance with the Regulatory Reform Fire Safety Order 3005 and BS 5839 codes or practice.

The systems and documentation (zone plans, logbooks, commissioning records and more) we provide are clear to operate and maintain once in use, helping your site’s Responsible Persons manage ongoing compliance after handover.

Learn more about our fire alarm installation process here…

Types of Fire Alarm Systems We Install in London

Systems Available for Your Sites


Addressable Fire Alarm Systems

Commonly installed in larger or more complex London buildings where identifying the exact device in alarm supports faster investigation and evacuation.

Conventional Fire Alarm Systems

Typically used in smaller premises where zoned detection provides clear indication without added complexity.

Wireless Fire Alarm Systems

Well suited to occupied buildings or sensitive environments where installing cabling would cause disruption or extend programme times.

Aspirating Smoke Detection

Specified for higher-risk or critical areas where very early detection is required to protect occupants, operations or valuable assets.

Linear Heat Detection

Frequently installed in industrial or logistics environments where layout, ceiling height or conditions limit the effectiveness of point detectors.

Optical Beam Detection

Used in large open spaces with high ceilings where traditional detection methods are not practical.

Flame Detectors

Applied in specialist industrial settings where detecting open flame provides a more appropriate response than smoke detection.

Video Smoke Detection

Used in wide or complex areas where visual analysis supports early identification of developing fire conditions.

Project Planning That Avoids Delays

Survey and Design to Support Installation and Commissioning


Before installation, we conduct a thorough site survey and system design serviceĀ to ensure things progress without issue. This involves:

  • Agreeing fire alarm control panel and fire alarm box locations
  • Selecting appropriate detector types and zoning coverage
  • Preparing zone plans, logbooks and system drawings in advance
  • Designing cause and effect around how the building operates day to day
  • Coordinating containment routes and power supplies with other trades

Addressing these points early allows installation and commissioning to be completed efficiently, supports smooth auditing in the future and ensures Responsible Persons receive clear, compliant documentation at handover.

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Frequently Asked Questions

Need Answers Before You Get Started?


What areas of London do you cover?

We cover London and the surrounding areas across Greater London, including regions such as:

  • Central London
  • City of London
  • Canary Wharf
  • Westminster
  • Camden
  • Islington
  • Southwark
  • Croydon and surrounding boroughs

Our fire alarm installation engineers are regularly working on sites across London and can support local projects quickly when required.

Do you offer commercial and domestic fire alarm installations?

Our team here at Bolt specialise in industrial and commercial fire alarm installation. This includes sites used for offices, warehouses, factories, retail premises, multi-occupancy buildings and more.

We do not focus on domestic installations.

Are you approved fire alarm installers?

Yes, we are fully certified and approved fire alarm installation contractors with accreditations such as BAFE Registered, FIA Members, SSAIB certified and UKAS accredited, with CHAS approval and Constructionline GOLD membership.

These accreditations confirm that our fire alarm systems are designed, installation, commissioned and maintained in line with current legislation and British Standards. For clients, this means installations that always stand up to the inspection and satisfy insurers with support from clear and compliant documentation at handover.

Can you work around live or occupied buildings?

Yes, most of our installation work takes place in live commercial environments. We take the time to understand how your building operates day-to-day so works can be planned around production schedules, office occupancy etc. Where possible, installations are phased so production lines do not need to shut down and office staff can remain in place.

If parts of the fire alarm system need to be temporarily offline, we advice on appropriate interim measures such as fire officers carrying out regular patrols, to ensure you’re always covered and compliant.

All activity is coordinated closely with site managers and Responsible Persons and other trades to keep disruption to a minimum and the project moving safely.

Do you offer fire alarm maintenance packages?

In addition to fire installation and commissioning, we also offer a fire alarm maintenance and servicing package which we recommend every five to seven months (to guarantee compliance with current UK guidance).

Depending on your sire and risk profile however, we can even carry out maintenance checks every three months.

Approved Fire Alarm Installation Contractors

See Our Accreditations


Explore our company's accreditations, a testament to our commitment to quality, reliability and industry recognition.