Fire Alarm Systems
From £200 Installed · Free Survey, Fixed Quote
- Free survey, fixed written quote
- SSAIB approved for intruder alarms
- 20+ years in London
Request a call back
Name and number are all we need. We call back within one working day to book a free survey.
- SSAIB approvedFor intruder alarms
- BS 5839 fire alarmsCertificated every visit
- Since 2004Family-run in SW17
- 20+ five-starGoogle reviews
How we work
Fire alarm installation, servicing and certification for homes, HMOs and businesses — BS 5839 compliant. Free survey, fixed quote, and certificates your insurer and licensing officer accept.
What's included
- Conventional and Addressable Fire Alarm Systems
- Smoke, Heat, and Multi-Sensor Detectors
- Manual Call Points and Break Glass Units
- Fire Alarm Control Panels (2 to 8 zones and beyond)
- Sounder and Visual Alarm Devices (VADs)
- Integration with Emergency Lighting Systems
- Wireless Fire Alarm Solutions for Listed Buildings
- BS 5839 Compliant Installation & Design
What you get from working with us
Life Safety First
Protect your family, employees, and customers with early detection systems that save lives and provide precious evacuation time.
24/7 Monitoring
Round-the-clock monitoring ensures immediate response when an alarm is triggered, even when you're away.
Insurance Compliance
Meet insurance requirements and potentially reduce premiums with professionally installed and maintained fire alarm systems.
Types of Fire Alarm Systems
Conventional Systems
Cost-effective solution for smaller properties. Divided into zones to quickly identify the general area of a fire. Ideal for small offices, shops, and residential properties.
Addressable Systems
Each device has a unique address, allowing pinpoint accuracy in locating fires. Perfect for larger buildings, hotels, hospitals, and multi-story commercial properties.
Wireless Systems
Minimal disruption during installation. Ideal for listed buildings, heritage sites, and properties where cabling is impractical.
Fire Alarm System Categories & Grades
Every fire alarm system in the UK is specified by a category (what it protects) and, for domestic systems, a grade (how it is powered and monitored). Your fire risk assessment or licensing officer will name one of these — here is what they mean.
L1 to L5 — life protection (commercial, BS 5839-1)
L1 covers the entire building and is the highest standard, typical for care homes and hotels. L2 adds high-risk rooms to escape routes. L3 protects escape routes and adjoining rooms — the most common specification for offices. L4 covers escape routes only, and L5 is a custom category targeted at a specific risk identified in the fire risk assessment.
P1 and P2 — property protection
P1 protects the whole building, P2 defined high-risk areas only. Insurers commonly require a P category alongside an L category for commercial premises. Fitting a system in a business? See commercial fire alarm installation.
Grades A to F — domestic systems (BS 5839-6)
Grade A is a full panel system with control equipment — required in larger HMOs. Grade D (mains-powered interlinked alarms with battery back-up) is the standard for most rented homes and smaller HMOs: D1 with sealed long-life batteries, D2 with replaceable ones. Grade F covers battery-only alarms, which most landlord licensing schemes no longer accept.
LD1 to LD3 — domestic coverage levels
LD1 covers every room and circulation space, LD2 the escape routes plus high-risk rooms such as kitchens and living rooms, LD3 the escape routes only. London HMO licensing typically requires Grade D, Category LD2 as a minimum.
Not sure which your property needs? The free survey answers that in one visit, and the quote names the exact category and grade so building control, your insurer and your licensing officer all see the same specification.
Maintenance & Support
British Standards Compliance
All our installations comply with BS 5839 standards for fire detection and alarm systems. We provide full documentation and certification for insurance purposes.
Fire Alarm Questions, Answered
How much does fire alarm installation cost in London?
Grade D interlinked smoke and heat alarms for a typical home cost £200–£500 installed. An HMO fire alarm system (Grade D, Category LD2) is from £600 installed and certificated, depending on storeys and rooms, and commercial panel systems start from around £1,200 depending on the number of zones. Every job starts with a free, no-obligation survey so you get an exact fixed quote before any work begins.
What fire alarm system does an HMO need?
Most London HMOs need a Grade D, Category LD2 system under BS 5839 Part 6 — mains-powered, interlinked smoke alarms in escape routes and living rooms plus heat alarms in kitchens. We install to this standard and issue the certification your licensing officer and insurer will ask for.
How often should a fire alarm be serviced?
Commercial fire alarm systems should be serviced at least every 6 months under BS 5839 Part 1. Domestic and HMO systems should be professionally checked annually, with a weekly user test. We offer servicing contracts with reminders, so compliance never lapses.
How long does installation take?
A typical home or flat takes one day. HMOs usually take 1–2 days depending on the number of storeys and rooms. Commercial installations depend on the zone count — we confirm the schedule at survey and work around your tenants or trading hours.
Do you provide fire alarm certificates?
Yes. Every installation and service visit is certificated to BS 5839 — accepted by insurers, building control, and HMO licensing teams across all London boroughs.
Which areas do you cover?
All 32 London boroughs from our base in Summerstown SW17, with fastest response across South and South West London — Wandsworth, Merton, Wimbledon, Croydon, Sutton, Kingston and surrounding areas.
Fire Alarm Installation Near You
Based in Summerstown SW17, we cover all 32 London boroughs. Popular areas for fire alarm installation:
Arrange a free site survey
Tell us about the building and we will call you back to book a free, no-obligation survey. You get a fixed written quote after every visit.
- Free survey, fixed written quote
- SSAIB approved for intruder alarms
- 20+ years in London
Phone answered 24/7