DIY installing a smart home security kit

Are there any downsides to installing a complete smart security system from a kit? So, one including a doorbell with camera, indoor cameras, motion sensors and alarm with keypad.

Asked by minesh on 8th Dec 2022
Expert Trade Answers
"There is no harm, so long you are fine with the outcome of your work. If it involves electrical connection then you got to be competent and comfortable doing that."
Answered on 8th Dec 2022 - Member since Oct 2022 - report
"Hi,

Smart security kits can be a great option as they’re easy to install and give you remote access to cameras and alerts from your phone.

However, there are a few downsides to consider:

They rely heavily on Wi-Fi, so performance can drop if the connection is poor
Batteries need regular charging or replacing
They can be more limited in terms of coverage and customisation compared to professional systems
Some features may require ongoing subscriptions
They may not meet insurance or compliance requirements

For basic home use they work well, but for higher security or larger properties, a professionally installed system is usually more reliable.

If you’d like, we can advise on the best option for your setup.

Thank you."
Answered on 15th Apr 2026 - Member since Apr 2026 - report
"DIY smart security kits can be a good option, but there are a few downsides to be aware of. The biggest issue is that the effectiveness of the system depends heavily on correct installation and positioning. A badly positioned motion sensor or camera can create blind spots, nuisance alerts or unreliable detection.
Many smart systems also rely on Wi-Fi, cloud services and batteries, so internet outages, flat batteries or poor wireless coverage can affect certain features. It is also worth checking whether features such as cloud recording, cellular backup or professional monitoring require an ongoing subscription.
Security is another consideration. Use strong unique passwords, enable two-factor authentication where available and keep all devices and apps updated.
For higher-risk properties, insurance requirements or where police/ARC monitoring is required, a professionally installed system complying with the relevant UK standards may be more appropriate.
For an average home, though, a good-quality DIY system can work very well if it is installed correctly, regularly maintained and tested."
Answered on 22nd Aug 2026 - Member since Aug 2026 - report
"Honest answer is fit a professional system and avoid DIY as most of it is rubbish and not even insurance approved"
Answered on 11th Dec 2022 - Member since Jun 2022 - report
"Be very careful of the system you use. Try looking at www.ajax.systems or call M Crane for more info."
Answered on 13th Dec 2022 - Member since Dec 2018 - report
"Yes and no. They are classed as DIY therefore not recognised by insurance. Also can be tampered with where as a professional solution is harder to tamper with. Consider an Ajax System for an integrated system or Tyco IQ System. Professional solution will cost more, but are worth it in the long run."
Answered on 28th Aug 2026 - Member since Aug 2026 - report
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