Knowledge base

    Fire and security guides

    Plain-English guides on fire alarms, CCTV, intruder alarms, access control, and fire safety compliance, written by London's fire and security experts.

    Fire Safety6 min read

    Fire Alarm Panel Showing a Fault? What the Common Messages Mean

    A fault light on a fire alarm panel is not a fire, but it does mean part of the system may not work when it is needed. Here is what the common fault messages usually mean, what you can safely check, and when it needs an engineer.

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    Fire Safety6 min read

    Emergency Lighting Testing: The Monthly and Annual Tests Explained

    Emergency lighting needs a short test every month and a full three-hour test every year, both written in the logbook. Here is what each test involves, who is responsible, what usually fails, and what the 2025 edition of BS 5266-1 added.

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    Fire Safety7 min read

    How Much Does an HMO Fire Alarm System Cost in London? (2026 Guide)

    A Grade D LD2 fire alarm system for a London shared house is priced per device: interlinked smoke alarms from £230 + VAT, full systems from £1,200 + VAT, installed and certificated. Here is what the price includes, what pushes it up, and what it costs to keep the certificate current every year.

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    Fire Safety8 min read

    HMO Licensing Inspection: The Fire Safety Checklist London Landlords Need

    Licensing officers in London boroughs work through the same fire safety points on almost every HMO visit. Here is the list, what they expect to see for each item, and how to fix the common failures before the inspection rather than after it.

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    Fire Safety6 min read

    Grade D LD2 or Grade A? Choosing the Right Fire Alarm for Your HMO

    Licence conditions and fire risk assessments talk about grades and categories, and getting them wrong costs money twice. This is a plain-English guide to BS 5839-6 for HMO landlords and agents.

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    Guides7 min read

    Fire Alarm Servicing for HMO Portfolios: A Guide for Letting Agents and Management Companies

    If you manage HMOs for landlords, the fire alarm certificate in every property is your problem as well as theirs. Here is how to keep a whole portfolio compliant without a spreadsheet full of expiry dates.

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    Fire Safety6 min read

    What Is a Fire Alarm System and How Does It Work?

    A fire alarm system is one of the most important safety features in any building. Here's everything you need to know, from how detectors work to which system your property needs.

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    Fire Safety5 min read

    What Is a Fire Alarm Callout and What Should You Expect?

    A fire alarm callout is when a qualified engineer attends your property to respond to a fault, false alarm, or emergency. Here's what it involves and when you need one.

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    Fire Safety7 min read

    HMO Fire Alarm Requirements: A Complete Landlord's Guide

    Renting out an HMO in London? Fire alarm compliance is a legal requirement, not optional. This guide explains exactly what you need, what the law says, and how to stay on the right side of your local council.

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    CCTV6 min read

    What Is CCTV? A Plain-English Guide for Homes and Businesses

    CCTV stands for Closed-Circuit Television. But what does that actually mean, and how do you decide what your property needs? Here's everything you need to know in plain English.

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    Intruder Alarms6 min read

    Intruder Alarm Systems Explained: Types, Costs and Benefits

    Thinking about a burglar alarm for your home or business? Here's a clear breakdown of the different types, how they work, and what to look for when choosing a system.

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    Fire Safety5 min read

    Fire Risk Assessment: What It Is and Does Your Property Need One?

    A fire risk assessment is a legal requirement for most non-domestic premises and HMOs. Here's what it involves, who needs one, and what assessors actually look at.

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    Access Control5 min read

    Access Control Systems: What They Are and Why Your Business Needs One

    Access control replaces keys with smart credentials, fobs, cards, PINs, or biometrics. Here's how the different systems work and which one is right for your property.

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    Guides5 min read

    How to Choose a Reliable Fire and Security Company in London

    With dozens of fire and security companies in London, it can be hard to know who to trust. Here's what to look for, and the red flags to avoid.

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    Fire Safety4 min read

    How Long Does Fire Alarm Installation Take?

    One of the most common questions we get asked before a fire alarm installation is: how long will it take? The honest answer depends on the property, but we'll walk you through what to expect.

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    Fire Safety4 min read

    Smoke Alarm vs Fire Alarm System: What's the Difference?

    People often use 'smoke alarm' and 'fire alarm' interchangeably, but there is an important difference, and understanding it could affect whether your property is legally compliant.

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    Fire Safety5 min read

    Do Landlords Have to Provide Smoke Alarms? UK Law Explained

    Yes, UK landlords are legally required to provide smoke alarms in rented properties. But the specifics depend on the type of tenancy and property. Here's what the law actually says.

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    Fire Safety4 min read

    How Often Should a Fire Alarm Be Serviced?

    Fire alarm servicing isn't optional, it's a legal requirement for commercial premises and good practice for all rented properties. Here's exactly how often your system needs attention.

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    Fire Safety5 min read

    What Is Carbon Monoxide and Why Is It So Dangerous?

    Carbon monoxide kills around 40 people in the UK every year and sends hundreds more to hospital. It has no colour, no smell, and no taste, which is exactly what makes it so deadly.

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    Guides5 min read

    How Much Does a Home Security System Cost in London?

    Security system costs in London vary widely depending on what you need. Here's an honest breakdown of what you should expect to pay, and where people often end up over or underpaying.

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    Fire Safety4 min read

    What Happens When a Fire Alarm Goes Off? A Step-by-Step Guide

    When a fire alarm activates, the clock starts. Here's exactly what happens, both what you should do, and what happens automatically behind the scenes in a properly configured system.

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    Intruder Alarms5 min read

    How Does a Monitored Alarm System Work?

    A monitored alarm means someone is always watching, even at 3am on Christmas Day. Here's how the technology works and why it makes such a big difference.

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    Fire Safety5 min read

    How to Prevent False Fire Alarms: Causes and Solutions

    A fire alarm that keeps going off for no reason is more than an annoyance, it erodes the trust of occupants and can lead to the worst habit in fire safety: ignoring the alarm. Here's how to fix it.

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    Fire Safety7 min read

    Fire Safety for Businesses: A Complete Guide for London Employers

    As a business owner or employer, you have a legal duty to protect your staff, customers, and visitors from fire. Here's exactly what the law requires, and how to meet it without the jargon.

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    Access Control4 min read

    What Is a Door Entry System and How Does It Work?

    A door entry system lets you screen visitors before letting them in, without leaving your flat or office. Here's how the different types work and which is right for your building.

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    Guides5 min read

    How to Secure Your Home While on Holiday

    Burglaries increase during summer and holiday periods. These are the practical steps that make a real difference, ranked by how much of a deterrent each one actually provides.

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    Fire Safety5 min read

    Top 10 Fire Safety Tips for London Landlords

    Fire safety isn't just a legal obligation for landlords, it's a moral one. These 10 practical tips will help you protect your tenants, avoid enforcement action, and keep your portfolio compliant.

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    Guides5 min read

    Wired vs Wireless Security Systems: Which Is Better?

    The wired vs wireless debate comes up in almost every security consultation. There's no universal right answer, it depends on your property, your priorities, and your budget.

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    CCTV4 min read

    Do I Need Planning Permission for CCTV at My Property?

    The rules around CCTV installation can be confusing. Here's a clear, straightforward guide to when you need planning permission, when you don't, and what GDPR requires.

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    Guides4 min read

    What Is SSAIB and Why Does It Matter for Your Security System?

    When you see 'SSAIB approved for intruder alarms' on a security company's website, it means something real, not just a logo. Here's what SSAIB actually is and why it should matter to you.

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    Intruder Alarms4 min read

    7 Signs Your Burglar Alarm Needs Replacing

    Most alarm systems have a lifespan of around 8 to 10 years. After that, reliability drops sharply. Here are the warning signs that it's time for an upgrade.

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    Fire Safety5 min read

    Fire Alarm Installation in South London: Areas We Cover

    We're based in South London and know the area inside out, from Victorian terraces in Clapham to HMOs in Croydon. Here's everything you need to know about fire alarm installation across South London.

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    CCTV4 min read

    CCTV Installation Across South London: What You Need to Know

    South London homeowners and businesses are increasingly investing in CCTV to protect their properties. Here's what you need to know, from camera types to costs, plus the areas we cover.

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    Guides4 min read

    Security Company Covering Croydon, Sutton and Wandsworth

    Security Red Alert has been protecting homes and businesses in Croydon, Sutton and Wandsworth for over 20 years. Here's what we offer and why local customers keep coming back.

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    Fire Safety5 min read

    Fire Safety During Building Renovation and Construction Work

    Building works increase fire risk dramatically, hot works, temporary electrics, and disabled alarm systems all create hazards. Here's how to manage fire safety during a renovation.

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    CCTV4 min read

    Night Vision CCTV: What Is It and Do You Actually Need It?

    Most burglaries happen after dark. Your CCTV system needs to work at night, but not all night vision technology is equal. Here's what actually works and what to look for.

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    Fire Safety5 min read

    How to Get a Fire Safety Certificate for Your Property

    A fire safety certificate proves your property meets the required fire safety standards, essential for HMO landlords, commercial property owners, and anyone undergoing a council inspection.

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    Intruder Alarms4 min read

    Intruder Alarm Installation in Wimbledon, Kingston and Richmond

    Wimbledon, Kingston, and Richmond are among the most sought-after residential areas in South West London, and that makes them targets. Here's how we protect homes and businesses across these areas.

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    Access Control5 min read

    Access Control for Blocks of Flats in London: A Complete Guide

    Access control in a block of flats needs to work reliably for dozens of residents while still being manageable from a landlord or building manager's perspective. Here's what works.

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    Fire Safety7 min read

    Fire Alarm Servicing Contracts in London: Costs and What's Included

    Installing a fire alarm is only half the job, BS 5839 expects it to be serviced regularly, and insurers and licensing officers will ask for the paperwork. Here's what a servicing contract involves and what it costs in London.

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    Fire Safety8 min read

    How Much Does a Commercial Fire Alarm System Cost in London? (2026 Guide)

    Budgeting for a commercial fire alarm in London? Here are the realistic price ranges for 2026, what drives the cost up or down, and the mistakes that make systems more expensive than they need to be.

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