Best Home Alarm Systems — Wireless (HomeBase required) + Budget (2026)
1 home alarm systems matching connectivity “Wireless (HomeBase required)” + price tier “Budget”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Home Alarm Systems UK (2026) guide.

#1 Pick
eufy Security Keypad, Home Security System, 180-Day Battery, Home & Away Security Modes, Custom Security Modes (Requires eufy Security HomeBase)- Wireless (HomeBase required)
Currently unavailable
Pros
- Up to 180-day battery life on a single charge
- SOS button instantly triggers the HomeBase alarm in an emergency
- Up to 3 keypads can be linked per HomeBase for multiple entry points
Cons
- Requires an existing eufy Security HomeBase, sold separately
These wireless home alarm systems offer basic security for your property without the hefty price tag. Designed for straightforward installation and operation, they provide a foundational level of protection using reliable wireless technology. Each system requires a HomeBase unit to function; this central hub manages communication between sensors and allows you to arm/disarm the system via a key fob or smartphone app (app availability may vary). These budget-friendly options are ideal for renters, first-time homeowners, or those seeking an affordable entry point into smart home security.
FAQ
What does the HomeBase unit do?
The HomeBase is the central control unit. It receives signals from the sensors and allows you to arm/disarm the system using a key fob or, in some cases, through a smartphone app. Without the HomeBase, the sensors won’t communicate effectively.
How many sensors are included?
Typically, these systems include one or two motion detectors and one or two door/window sensors. Exact sensor counts may vary depending on the specific model; always check the product details for confirmation.
Do I need a smartphone to use this system?
While some models offer smartphone app control via Bluetooth, many operate solely through the included key fob. Check the specifications before purchase to ensure compatibility with your phone.
How do I install this alarm system?
Installation is generally straightforward and doesn’t require professional assistance. Most systems include clear instructions for mounting sensors and connecting them to the HomeBase. However, basic DIY skills are beneficial.
What happens if a sensor battery dies?
The system will typically alert you via a beep from the HomeBase. You'll then need to replace the battery in the affected sensor. Replacement batteries are readily available.
Is this system compatible with other smart home devices?
Compatibility varies depending on the specific model and its features. Some systems may integrate with voice assistants like Alexa or Google Assistant; check the product documentation for details.
What security protocols does this use?
These systems primarily utilise rolling code technology to prevent signal jamming, offering a degree of protection against malicious interference. However, they are not designed to replace professional monitored alarm systems.
Are there any subscription fees associated with this system?
No, these budget-friendly systems typically operate without ongoing subscription fees. All functionality is accessible through the base unit and key fob – no monthly charges apply.
What kind of power source does the HomeBase require?
The HomeBase requires a standard UK mains electricity supply (50Hz, 230V). It also includes a battery backup in case of a power outage, ensuring continued operation for a limited time.
How long do the batteries in the sensors last?
Sensor battery life varies depending on usage and environmental factors but generally lasts between six to twelve months. Regular monitoring of battery levels is recommended to ensure optimal system performance.