7 Best Alarm Systems No Monthly Fee [UK] (2025)

2025 Expert Picks

Last Updated: July 2025

Sort by

Last Updated: July 2025

Sort by

Best Alarm Systems No Monthly Fee

Premium Pick

AOSU 3K Security Camera Outdoor Wireless with Battery Solar Powered, 2 Wifi Cameras with Homebase 32GB Local, 166° View, 5MP Home Security System, No Monthly Fee, IP67, Color Night Vision

AOSU

Available in 3 Colors

9.7

AOSU 3K Security Camera Outdoor Wireless with Battery Solar Powered, 2 Wifi Cameras with Homebase 32GB Local, 166° View, 5MP Home Security System, No Monthly Fee, IP67, Color Night Vision

Color: 2-cam+1 Homebase - 7s

Dimensions: 10.00 x 5.00 x 10.01 Inches

Picked by 397 people today

Reolink Home Hub Pro with 2TB HDD for Security Cameras, All-in-one Centre, Local Expandable Storage up to 16TB, AES-128 Encryption, 2.4/5GHz Wi-Fi 6, 120dB Siren, No Monthly Fees, Alarm System

Reolink

9.5

Reolink Home Hub Pro with 2TB HDD for Security Cameras, All-in-one Centre, Local Expandable Storage up to 16TB, AES-128 Encryption, 2.4/5GHz Wi-Fi 6, 120dB Siren, No Monthly Fees, Alarm System

Color: White

Dimensions: 8.74 x 7.28 x 5.24 inches

OSI Go Direct

9.5

OSI Alarm System for Home Security (Gen 2)11 piece. DIY, Touch Screen, Motion Detection, Contact sensors, Wireless Siren, Remotes, Phone App, Compatible with Alexa, Continuous Updates,NO Monthly Fees

Color: White

Dimensions: 0.70 x 7.20 x 5.30 inches

eufy Security

9.2

eufy Security S380 HomeBase (HomeBase 3),eufy Edge Security Center, Local Expandable Storage up to 16TB, Product Compatibility, Advanced Encryption, No Monthly Fee

Color: Gray+white

Dimensions: 5.65 x 4.33 x 3.09 inches

Weight: 1.46 pounds

Release Date: 05/10/2023

Unit Count: 1

Save 9%

Check Price

LWOHSI

Available in 2 Unknown

9.0

WiFi + GSM Home Security Alarm System, Alarm Kit with PIR Detector, Remote Controls, Door/Window Sensor Compatible with Alexa, No Monthly Fee

Color: White

Dimensions: 7.28 x 0.58 x 4.92 inches

Weight: 2.54 Pounds

Unit Count: 1

Check Price

Reolink

8.8

Reolink Home Hub All-in-one Centre, Works Security Cameras, No Monthly Fee, Alarm System, Live View & Playback Up to 4K, Expandable Local Storage, Wi-Fi 6 Tech, Encryption Algorithm

Color: White

Dimensions: 6.38 x 3.74 x 3.74 Inches

Weight: 0.00

Unit Count: 1

Check Price

tolviviov

8.6

tolviviov Home Alarm System(2nd Gen), 12 Pieces Smart Home Alarm Security System DIY No Monthly Fee, Phone Alert, Alarm Siren, Door/Window Sensors, Remotes, Work with Alexa, for House Apartment Office

Color: C-12pack

Dimensions: 1.77 x 9.45 x 6.50 inches

Weight: 1.46 pounds

Unit Count: 12

Check Price

Our Top Choice

Best Alarm Systems No Monthly Fee

Premium Pick

AOSU

Available in 3 Colors

9.7

AOSU 3K Security Camera Outdoor Wireless with Battery Solar Powered, 2 Wifi Cameras with Homebase 32GB Local, 166° View, 5MP Home Security System, No Monthly Fee, IP67, Color Night Vision

Color: 2-cam+1 Homebase - 7s

Dimensions: 10.00 x 5.00 x 10.01 Inches

Popular Categories

How It Works

Expert Reviews

At 7-Best, we meticulously analyze and compare products, partnering with top retailers. Our aim is to deliver unbiased, comprehensive reviews to assist your informed decisions.

Intelligent Rankings

Using advanced data analysis, we pinpoint top-rated products based on real purchase trends.

Why Trust Us?

We leverage expert analysis and advanced technology to evaluate thousands of products. Our unbiased reviews are designed to save you time and ensure you find the best options with confidence.

+1000

Hours of research

+1 Million

Purchases analyzed

+5000

Brands Compared

+100

Categories Covered

2025 Expert Picks

Finding the perfect product can be challenging. That’s why our team invests countless hours in research, breaking down key insights into clear, side-by-side comparisons. Our top pick is based on what matters most to our readers, the most popular products in each category, and a data-driven assessment of all available options. We aim to provide you with all the details you need to make the best choice—quickly and confidently.

Release Date

Compare Features

Release Date	Premium Pick AOSU 3K Security Camera Outdoor Wireless with Battery Solar Powered, 2 Wifi Cameras with Homebase 32GB Local, 166° View, 5MP Home Security System, No Monthly Fee, IP67, Color Night Vision AOSU On Amazon	Reolink Home Hub Pro with 2TB HDD for Security Cameras, All-in-one Centre, Local Expandable Storage up to 16TB, AES-128 Encryption, 2.4/5GHz Wi-Fi 6, 120dB Siren, No Monthly Fees, Alarm System Reolink On Amazon	Popular OSI Alarm System for Home Security (Gen 2)11 piece. DIY, Touch Screen, Motion Detection, Contact sensors, Wireless Siren, Remotes, Phone App, Compatible with Alexa, Continuous Updates,NO Monthly Fees OSI Go Direct On Amazon	Best Value eufy Security S380 HomeBase (HomeBase 3),eufy Edge Security Center, Local Expandable Storage up to 16TB, Product Compatibility, Advanced Encryption, No Monthly Fee eufy Security On Amazon	WiFi + GSM Home Security Alarm System, Alarm Kit with PIR Detector, Remote Controls, Door/Window Sensor Compatible with Alexa, No Monthly Fee LWOHSI On Amazon	Reolink Home Hub All-in-one Centre, Works Security Cameras, No Monthly Fee, Alarm System, Live View & Playback Up to 4K, Expandable Local Storage, Wi-Fi 6 Tech, Encryption Algorithm Reolink On Amazon	tolviviov Home Alarm System(2nd Gen), 12 Pieces Smart Home Alarm Security System DIY No Monthly Fee, Phone Alert, Alarm Siren, Door/Window Sensors, Remotes, Work with Alexa, for House Apartment Office tolviviov On Amazon
Deal
Deal	-	-	-	Save 9%	-	-	-
Color	2-cam+1 Homebase - 7s	White	White	Gray+white	White	White	C-12pack
Color	2-cam+1 Homebase - 7s	White	White	Gray+white	White	White	C-12pack
Dimensions	10.00 x 5.00 x 10.01 Inches	8.74 x 7.28 x 5.24 inches	0.70 x 7.20 x 5.30 inches	5.65 x 4.33 x 3.09 inches	7.28 x 0.58 x 4.92 inches	6.38 x 3.74 x 3.74 Inches	1.77 x 9.45 x 6.50 inches
Dimensions	10.00 x 5.00 x 10.01 Inches	8.74 x 7.28 x 5.24 inches	0.70 x 7.20 x 5.30 inches	5.65 x 4.33 x 3.09 inches	7.28 x 0.58 x 4.92 inches	6.38 x 3.74 x 3.74 Inches	1.77 x 9.45 x 6.50 inches
Weight	0.00	0.00	0.00	1.46 pounds	2.54 Pounds	0.00	1.46 pounds
Weight	0.00	0.00	0.00	1.46 pounds	2.54 Pounds	0.00	1.46 pounds
Unit Count	1	1	11	1	1	1	12
Unit Count	1	1	11	1	1	1	12
Energy Class	A+++	-	-	-	-	-	-
Energy Class	A+++	-	-	-	-	-	-
Release Date	-	-	-	2023-10-05T00:00:01Z	-	-	-
Release Date	-	-	-	05/10/2023	-	-	-

Trusting our TOP Pick

+1000

Hours of research

+1 Million

Purchases analyzed

+5000

Brands Compared

+100

Categories Covered

We leverage expert analysis and advanced technology to evaluate thousands of products. Our unbiased reviews are designed to save you time and ensure you find the best options with confidence.