Fire Alarm Installation

Design, installation and commissioning of compliant fire alarm systems tailored to your building layout and fire strategy.

Request a Quote

Complete System Design

We design BS 5839-compliant fire alarm systems tailored to your building layout, occupancy and risk level.

Certified Installation

Our engineers install fire detection, alarm panels and devices with precision , ensuring full regulatory compliance.

Commissioning & Handover

We fully test, verify and certify the system before handover, with documentation ready for your fire safety file.

Accredetations

No items found.

Fire Alarm System Design & Planning

Our design process begins with a full assessment of your building layout, fire risks and evacuation strategy.

We specify:
Detector types (optical, heat, multi-sensor)
Alarm panel requirements
Sounder and visual device coverage
Manual call point locations
System wiring and zoning
Cause-and-effect configurations

All designs meet BS 5839-1 and integrate seamlessly with existing fire protection measures where required.

Certified Installation & Commissioning

Our installation engineers are fully qualified to install, test and commission fire alarm systems across all sectors.

We ensure:
Correct detector positioning
Cable routes installed to standard
Panel programming
Full functional testing
Sound level verification
Certification and documentation

Before handover, we complete a full performance test and provide all commissioning paperwork for your compliance records.

Our Fire Alarm Installation Process

A clear, step-by-step installation workflow designed to keep your building compliant, protected and fully operational with minimal disruption.

1. Site assessment
We carry out a detailed survey of your building layout, occupancy and fire risks to determine the correct alarm category and system type.

2. System design
Our engineers specify the correct devices, zoning strategy, panel type and cause-and-effect programming in line with BS 5839-1.

3. Preparation
Cable routes, mounting positions and installation areas are prepared to ensure a clean, efficient and compliant installation.

4. Installation
Detectors, call points, sounders, panels and interfaces are fitted by accredited specialists using fully certified components.

5. Testing and commissioning
We test every device, check signalling, verify sound levels and program the alarm panel before completing a full commissioning report.

6. Certification and handover
You receive full compliance documentation, commissioning certificates and operational guidance for your fire safety file.

‍

FAQs

Do you provide maintenance after installation?

▼

Yes , we offer ongoing servicing, testing and emergency support to keep your system compliant and reliable.

‍

Will installation disrupt my building?

▼

We plan works around your operations, often completing installations in live environments with minimal disruption.

How long does installation take?

▼

Smaller properties are usually completed in 1 day. Larger or multi-floor sites may take 2–5 days depending on device count and cable routing.

Which fire alarm category does my building need?

▼

We assess the layout, occupancy and risk level to determine whether you need a Category L1, L2, L3, L4, L5, or M system in line with BS 5839-1.

Do I legally need a fire alarm system in my building?

▼

Most commercial buildings, HMOs and multi-occupancy sites are required to have a fire alarm under the Regulatory Reform (Fire Safety) Order. Our team can advise exactly what category your premises requires.

More related Services

Fire Alarm Maintenance & Servicing

Routine testing, inspection and servicing to ensure your fire alarm system remains compliant, reliable and fully operational.

View Service
Fire Doors

Installation, inspection and maintenance of certified fire doors to protect escape routes and maintain fire compartmentation.

View Service
Evacuation Alert Systems

BAFE-accredited evacuation alert systems designed for high-rise and complex buildings in line with BS 8629.

View Service

Not Sure If We Cover Your Area?

If your location is not listed above, please contact us. Our team will confirm coverage and advise on availability for your project or maintenance requirements across London and the South East.

About us

Since 2005, Indigo Systems has provided expert fire, electrical, and security solutions – from design to service – all under one roof, across London and the South East.

Contact Us
+020 8681 1616
sales@indigosystems.ltd.uk
Quick Links
Home
About
Projects
Services
Contact
Areas We Cover
Legal
Privacy Policy
Cookie Policy
©Copyright Indigo Systems Ltd 2025