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    London · Greater London

    Fire Alarms in London

    Professional fire alarms services in London, Greater London. SSAIB-certified engineers covering All London postcodes. Free site surveys and no-obligation quotes.

    Postcodes covered: All London postcodes

    SSAIB Certified
    Fast Response Times
    15+ Years Experience
    500+ Commercial Clients

    Professional fire alarms across London

    We serve commercial clients across Greater London, from offices and retail premises in Central London to schools and industrial units across North London boroughs. Our engineers are experienced working in high-density urban environments, multi-storey buildings, and sites that require careful planning around access and working hours.

    Whether you need a new fire alarms installation, a system upgrade, or ongoing servicing and maintenance, our SSAIB-certified engineers are ready to help across London and the wider Greater London area.

    Who this service is for

    • Commercial offices in London
    • Retail chains and high street shops in London
    • Multi-site organisations in London
    • Schools and universities in London
    • Construction sites and developments in London

    Coverage area

    We cover London and all surrounding areas in Greater London.

    Postcodes covered
    All London postcodes
    Areas we regularly serve
    North London boroughsCentral London commercial districtsCity of LondonIslington and Camden
    Call for availability in your area

    What's included in our fire alarms service

    Fire Alarm Design

    System design to BS 5839 standards, specifying the correct category (L1-L5, M) for your property type.

    Detection Devices

    Smoke detectors, heat detectors, and multi-sensor devices positioned for optimal detection coverage.

    Sounders & Beacons

    Audible and visual warning devices to alert all occupants throughout the building.

    Control Panel

    Conventional or addressable fire alarm panel with zone indication and fault monitoring.

    Manual Call Points

    Break-glass call points at all exits and escape routes as required by BS 5839.

    Certification

    Installation certificate, test records, and compliance documentation for your fire risk assessment.

    Need fire alarms in London? Speak to an engineer today.

    Why choose DC Fire & Security for fire alarms in London

    BS 5839 compliant design and installation
    Protects lives and property with early detection
    Meets legal fire safety obligations
    Conventional, addressable, and wireless options
    24/7 monitoring with fire brigade response
    Regular maintenance and testing contracts
    Full certification for insurance and compliance
    SSAIB-certified installation engineers

    How it works

    01

    Site Assessment

    We assess your property and determine the correct BS 5839 category and system type.

    02

    System Design

    We design detector layouts, sounder positions, and cable routes to meet compliance.

    03

    Installation

    Our engineers install the complete system with minimal disruption to your operations.

    04

    Commissioning

    Full system testing, verification, and handover with all certification documentation.

    05

    Maintenance

    Twice-yearly servicing to maintain compliance and system reliability.

    Fire Alarms projects in London

    Twinflex fire alarm panel installed in Dunstable

    Twinflex fire alarm control panel installed at block of flats, Dunstable

    Fire alarm and intercom system at block of flats, Hitchin Road, Luton

    Fire alarm and intercom system installed at flats, Hitchin Road, Luton

    Emergency lights and fire alarm installed in block of flats

    Emergency lighting and fire alarm system for block of flats

    Fire alarm system servicing by DC Fire & Security

    Routine fire alarm servicing and maintenance visit

    Recent work in London

    School Fire Alarm

    New addressable fire alarm system installed across a primary school in London to BS 5839 Category L2 during summer holiday.

    38 devices
    4 days
    Office Fire Alarm Upgrade

    Upgraded conventional system to fully addressable fire alarm with new control panel in a London office building.

    24 devices
    2 days
    Case study
    Case Study

    Addressable fire alarm installation in London

    Office building in London

    Challenge: The building's existing conventional fire alarm was outdated and no longer met the requirements of the current fire risk assessment. A fully addressable system was specified.
    Solution: We designed and installed a new addressable fire alarm system to BS 5839 Category L2, including detectors, sounders, call points, and a new control panel.
    BS 5839 Category L2 compliant
    42 devices installed across 3 floors
    Full certification documentation provided
    Ongoing 6-monthly servicing arranged

    Fire Alarms equipment we use in London

    Industry-leading products from trusted manufacturers

    Advanced MxPro 5

    Addressable fire alarm panel with touchscreen interface and network capability

    Apollo Discovery Detectors

    Multi-sensor fire detectors with high sensitivity and low false alarm rates

    Hochiki Detectors

    Commercial-grade optical smoke and heat detectors for industrial environments

    Gent S-Quad Sounders

    Combined sounder and visual alarm devices with addressable capability

    C-Tec Fire Panels

    Conventional and two-wire fire alarm control panels for smaller installations

    KAC Manual Call Points

    Break-glass call points compliant with BS EN 54 for manual alarm activation

    Frequently asked questions about fire alarms in London

    What category of fire alarm do I need in London?
    The category depends on your property type. L1 provides full protection, L2-L5 offer partial protection. M systems are manual only. Our engineers will assess your property and recommend the appropriate category under BS 5839.
    Is a fire alarm legally required in London?
    Fire detection is required in all HMOs, commercial premises, and many rental properties under the Regulatory Reform (Fire Safety) Order 2005 and the Housing Act 2004.
    How often should fire alarms be serviced in London?
    BS 5839 recommends fire alarm systems are serviced twice per year (every 6 months). We offer service contracts covering inspection, testing, and certification.
    Do you cover the whole of London?
    Yes. Our engineers cover all of London and the surrounding Greater London area. We provide free site surveys and can typically attend within 24–48 hours of your enquiry.
    How quickly can you attend a site in London?
    We aim to respond to all enquiries within 24 hours. For fire alarms projects in London, we can usually arrange a site survey within 2–3 working days.
    Do you offer ongoing maintenance in London?
    Yes. We offer scheduled servicing and maintenance contracts for all systems we install in London. This ensures your equipment stays compliant and fully operational year-round.

    Get a free fire alarms quote in London

    Our local engineers cover London and all All London postcodes postcodes. Request a free site survey and no-obligation quote today.

    Request a free fire alarms quote

    Free no-obligation quote for London and surrounding areas

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    24-hour response
    SSAIB certified
    500+ commercial clients