Facebook-f Instagram Twitter Linkedin-in

Best Home
Security System

Request A Quote
  • NSI Gold & SSAIB certified installers

The Best Home Security System in the UK — Professionally Installed

Smart alarms, wireless CCTV and 24/7 monitoring, designed and fitted for your home by vetted UK engineers. Fixed pricing, next-day install and a lifetime of peace of mind.
Get a free home security quote
0800 1303528
  • Fixed, no-surprise pricing
  • Installed in a day
  • 3-year warranty

4.9 / 5 · 1,284 reviews

Trustpilot & Google verified

NSI Gold Approved

SSAIB Certified

BS 8243 Compliant

Which? Trusted Trader

Why homeowners choose us

Smart home security that actually feels intelligent

From wireless burglar alarms to full CCTV installation, every Best Home Security system is designed to protect your family, deter intruders and keep you in control — wherever you are.

Total property protection

Multi-layer defence combining smart alarms, motion sensors, door sensors and CCTV surveillance to secure every entry point of your home.

Full mobile app control

Arm, disarm, view live cameras, receive emergency alerts and manage users from anywhere in the UK — or the world — from a single dashboard.

24/7 monitored response

Optional professional monitoring by a UK Alarm Receiving Centre with keyholder and police-response escalation to BS 8243.

Fitted in a single day

Our wireless installation process is fast, tidy and mess-free. Most UK homes are fully protected in under six hours.

Family safety, first

Smoke, CO, leak and panic sensors keep loved ones safe from more than just intruders — a genuine whole-home safety system.

Future-proof smart home

Open-protocol hubs mean you can extend with smart locks, video doorbells, lighting and heating automation whenever you're ready.

Our services

Complete home security installation, under one roof

One expert team, one point of contact and a single integrated system — no piecing together kit from multiple installers.

Wireless Alarm Systems

Grade 2 wireless intruder alarms with encrypted signalling, tamper protection and pet-friendly PIR motion sensors — engineered for modern UK homes.

CCTV Installation

4K HDR IP cameras with colour night vision, AI person detection and 30-day secure cloud or NVR recording. Professionally sited for maximum coverage.

Smart Home Security

Voice-controlled, app-driven whole-home systems that link alarms, cameras, doorbells and lighting into one intelligent safety network.

24/7 Remote Monitoring

UK-based Alarm Receiving Centre monitoring with keyholder response, police escalation and instant emergency alerts to your phone.

Burglar Alarm Installation

Traditional and hybrid burglar alarm installation for homes, HMOs and small businesses — with insurance-approved certification.

Security Camera Installation

From single doorbell cameras to multi-camera perimeter surveillance, we design and install security cameras that see everything and miss nothing.

Best Home Security System In UK - Best Home Security Installations

Same-week install

Average 3-day lead time

Why Best Home Security System

Twelve years quietly protecting British homes

We’ve spent over a decade refining professional home security installation — from Edinburgh tenements to Cotswold farmhouses. Our engineers design each system around your property, not a call-centre script.
  • In-house engineers — never subcontracted
  • Fixed quote after your free survey — no upsells
  • Open-protocol kit you truly own
  • Every installer DBS-checked and NSI-vetted
  • Insurance-approved certification included
  • Genuine 3-year workmanship warranty

30k+

UK homes protected

4.9★

Verified customer rating

12 yrs

Installing across the UK

24/7

In-house support team

How it works

Our five-step installation process

Straightforward, respectful and completed in a day — the way home security installation should be.

01

Free home security survey

A local engineer visits, assesses vulnerable entry points and recommends the ideal alarm, CCTV and sensor layout for your property.

02

Fixed, transparent quote

You receive a fully itemised, no-obligation quote within 24 hours — no pressure sales, no hidden extras and no monthly lock-in.

03

Professional installation

Our vetted engineer fits your system in a single visit, connects it to your Wi-Fi and configures the app on every family member's phone.

04

Training and handover

We walk you through arming modes, camera views, user permissions and monitoring options — then hand over full certification for your insurer.

05

Ongoing care

24/7 UK technical support, annual maintenance visits and optional professional monitoring keep your system performing at its best, year after year.

The complete buying guide

How to choose the best home security system for your UK home

Buying a home security system in 2026 is more nuanced than it used to be. Wireless alarms, smart cameras, cloud monitoring and app-based control have transformed what’s possible — but they’ve also made the decision harder. This guide walks you through everything a UK homeowner, landlord or property manager needs to know before booking a professional installation.

Wired vs wireless alarm systems

The first choice most homeowners face is between wired and wireless. Traditional wired burglar alarm installation uses cables running from each sensor back to a central control panel. It’s rock-solid, immune to radio interference and preferred for new-build projects where cabling can be run inside walls. The downside is disruption: fitting a wired system into a finished home usually means lifting carpets, drilling joists and patching plaster.
Wireless alarm systems use encrypted radio signals — typically Grade 2 EN 50131 — to communicate between sensors and the hub. Modern wireless kit is virtually indistinguishable from wired in reliability, uses long-life lithium batteries (7–10 years) and can be extended in minutes. For 95% of existing UK homes, a wireless alarm system is now the recommended choice for its speed, tidiness and flexibility.

Monitored vs self-monitored systems

A self-monitored system alerts you and any nominated contacts directly via the mobile app when the alarm triggers or a sensor is disturbed. You decide whether to investigate, call a neighbour or ring the police. It’s the most affordable route and works well for smaller homes or tech-confident owners.
A professionally monitored system connects to a 24/7 UK Alarm Receiving Centre (ARC). Trained operators verify the activation — often using CCTV surveillance — then dispatch a keyholder, private security response or the police depending on your service level. Only monitored systems certified to BS 8243 with a Unique Reference Number qualify for direct police response. Expect to budget £15–£35 per month for professional monitoring.

CCTV vs burglar alarms — do you need both?

Alarms and CCTV solve different problems. Intruder alarms are about deterrence and detection: a visible bell box and loud siren stop most opportunist burglaries before they start, and motion sensors detect anyone who slips through. CCTV surveillance is about verification and evidence: it lets you (or your ARC) confirm what triggered the alarm and provides insurance-grade footage after the fact.
For the strongest home security we recommend a layered approach — smart alarms at the perimeter, motion and door sensors inside, and HD security cameras covering entry points, driveways and blind spots. Combined systems typically deter over 80% of attempted break-ins according to Home Office crime prevention data.

Understanding the true cost

A basic wireless burglar alarm installation for a small UK home starts around £499 fitted. A mid-range smart alarm with app control, four wireless door sensors, two motion sensors and a smart siren typically ranges from £799 to £1,299. Full CCTV installation adds £250–£500 per camera fitted depending on cabling and quality.

The best home security systems for larger family homes — combining smart alarms, six or more sensors, 4–6 4K cameras, video doorbell and 24/7 monitoring — usually fall between £1,500 and £2,800 including professional installation. Avoid quotes that seem far below these ranges: they typically use consumer-grade kit that won’t satisfy insurers or last more than a few years.

Maintenance and long-term ownership

A professionally installed system needs remarkably little attention, but annual maintenance is essential. Batteries in wireless door sensors and motion detectors should be tested yearly. The main control panel needs its backup battery replaced every 3–5 years. Camera lenses should be cleaned to prevent false alerts, and firmware updates should be applied as they release. A good installer will offer an annual service plan for £80–£150 that handles all of this and includes priority callout if anything fails.

Choosing the right system for your property

Match the specification to your home and lifestyle. Flats and small terraces are usually well served by a compact wireless alarm and a video doorbell. Semi-detached and 3–4 bed detached homes benefit from a full smart alarm with 4–6 sensors plus 2–3 outdoor security cameras. Larger or rural properties often need perimeter beams, external sirens, driveway cameras and monitored response due to longer emergency-services response times.
Landlords and property managers should specify tamper-resistant sensors, remote user management and cloud recording so the system can be handed cleanly between tenancies. Small business owners protecting a home office should look for systems that separate work and family zones and support multi-site management from one app.

Whatever your setup, the single most important decision is choosing a certified installer. Look for NSI Gold or SSAIB accreditation, ask to see a fixed written quote, and confirm the system will be certified to your insurer’s requirements. That’s the difference between a security system that looks good on paper and one that genuinely protects your family for years to come.

Fixed-price packages

Compare our home security packages

Transparent pricing with everything included — survey, equipment, installation, certification and warranty. No monthly contracts required.

Basic

Wireless alarm for smaller UK homes and flats

£699 Inc VAT

  • Smart Wireless Control Hub
  • Wireless Siren & Mobile App
  • Self Monitored Alerts
  • 1 × Door Sensor
  • 3 × Pet Friendly Room Sensors
Choose Basic

Most popular

Standard

Best-selling smart alarm + CCTV for family homes

£2,758.80 Inc VAT

  • Everything in Basic, plus:
  • 6 door / window sensors
  • 3 motion sensors + smart smoke sensor
  • 2× 4K wireless CCTV cameras
  • Video doorbell with two-way audio
  • 30-day secure cloud recording
  • Insurance-approved certification
Choose Standard

Premium

Whole-home protection with 24/7 monitoring

£3,190 Inc VAT

  • Everything in Standard, plus:
  • 6 door / window sensors
  • 4× 4K CCTV cameras (indoor & outdoor)
  • Smart lock & garage integration
  • 24/7 monitored ARC response (12 months)
  • Police-response URN registration
  • Priority engineer callout
  • Police Response
  • 24/7 Central Station Monitoring
Choose Standard

Basic

Wireless alarm for smaller UK homes and flats

£499 fitted

  • Smart wireless control hub
  • 3 door / window sensors
  • 1 pet-friendly motion sensor
  • Smart siren & mobile app control
  • Self-monitored alerts
  • 3-year workmanship warranty
Choose Basic

Most popular

Standard

Best-selling smart alarm + CCTV for family homes

£1,199 fitted

  • Everything in Basic, plus:
  • 6 door / window sensors
  • 3 motion sensors + smart smoke sensor
  • 2× 4K wireless CCTV cameras
  • Video doorbell with two-way audio
  • 30-day secure cloud recording
  • Insurance-approved certification
Choose Standard

Premium

Whole-home protection with 24/7 monitoring

£2,499 fitted

  • Everything in Standard, plus:
  • Unlimited door & motion sensors
  • 4× 4K CCTV cameras (indoor & outdoor)
  • Smart lock & garage integration
  • 24/7 monitored ARC response (12 months)
  • Police-response URN registration
  • Priority engineer callout
Choose Standard

What Our Customers Say

We take pride in delivering reliable security systems and exceptional service. Here’s what some of our customers say about working with us.
Sarah M.West London
They installed our home security system quickly and professionally. Everything was explained clearly and the system works perfectly. We feel much safer now.
James R.Hertfordshire
Very knowledgeable engineers and a smooth installation process. They designed a system that fits our property perfectly. Highly recommended.
Michael T.Essex
Great experience from consultation to installation. The team was friendly, efficient, and really focused on getting everything right.
Emma L.London
The fire alarm and CCTV installation gave us complete confidence in our home security. Excellent service and support throughout.

Frequently Asked Questions

Do you offer free quotes?

Yes, we provide free consultations and no-obligation quotes.

Most installations are completed within one day, depending on the system.

Yes, we offer ongoing support and maintenance services.

Yes, our systems allow remote access through mobile devices.

Get A Free Quote

Trusted Family-Run Security Experts Since 1960

Book Your Free Security Assessment & Call Back

Leave Us A Message

Best Home Security System has been protecting homes and businesses since 1960, when Graham Granley founded the company in Chelsea SW3. What began as a small family service quickly grew into one of the most trusted local security providers across London, Essex, and Hertfordshire. If you’d like professional advice or want to discuss a new installation, fill out the form and our team will call you back to arrange a free site survey.