Fire alarms
Detection, installation, upgrades and ongoing care for your fire alarm system.
Explore fire alarmsLocal expertise. Lasting protection.
Safer homes.
Secure businesses.
Peace of mind.
Fire alarms and security systems, designed around you. Installation, upgrades and maintenance across Surrey, Sussex, London and beyond.
For your home, your workplace and everything you’re responsible for.
NSI GoldSecurity accreditation
BAFE SP203-1Fire alarm certification
ISO 9001:2015Quality management
FIA memberFire Industry Association
Local information
Crime in your area
Enter your postcode to explore published police data around your property, with monthly figures and an interactive map.
Customer feedback
Recommended by the people we protect.
5.0 out of 5 · 18 Google reviews
Read our reviews on Google
Rating and count as shown on 6 October 2026.
“Steve and Dan and the whole team are carrying our Fire System upgrade across multiple buildings for us. They are very detailed, very careful and respectful of all tenants and office staff.”
“Our alarm problem was sorted quickly and efficiently within the call-out time. Everything was explained clearly. Great service!”
“Excellent service from start to finish from all the team. Survey and quote were very thorough and brochure of equipment also provided, so you know what equipment would be installed.”
Protection that fits
Complete protection.
One experienced team.
Six services for your home or business, from the first installation to ongoing maintenance.
Intruder alarms
Practical protection, designed around your property and how you use it.
Explore intruder alarmsCCTV systems
See what matters, with carefully planned camera coverage and recording.
Explore CCTVAccess control
Manage who can enter your building, from one door to multiple entrances.
Explore access controlIntercoms & door entry
Know who is calling and manage visitor access with audio or video entry.
Explore door entryMaintenance & takeovers
Keep an existing system supported, even if we did not originally install it.
Explore maintenanceBuilt around your world
A family home.
A busy workplace.
A different approach.
The right system starts with understanding the people, property and routines it needs to protect.
Meet Southern Fire & SecurityFor your home
Simple everyday use, thoughtful installation and protection that works around family life.
Residential fire & securityFor your business
Planned systems and ongoing support for workplaces, schools and managed buildings.
Commercial fire & securityClose to the places we protect
Local expertise.
Wider reach.
Based in Leatherhead, we work predominantly across Surrey, Sussex and London, and also take on projects further afield. Tell us your location and what you need so we can confirm availability.
Surrey
Leatherhead, Bookham, Cobham, Epsom, Guildford, Woking and surrounding towns.
Explore Surrey coverageSussex
Enquiries across West and East Sussex, including Horsham, Crawley and the coast.
Explore Sussex coverageLondon
Homes, businesses and managed properties, from outer boroughs to central London.
Explore London coverageStraightforward advice
A clearer place to start.
Planning a fire alarm project
What to prepare before a survey, from drawings to information about your existing system.
Read the guideChoosing an intruder alarm
Start with your routines, access points and the way you want to manage your alarm.
Read the guideChanging maintenance provider
A practical checklist for handing over an existing fire or security system.
Read the guideLet’s talk about your property.
A new system, an upgrade or a fresh look at your maintenance.