The Best Smart Plugs and Sockets for Your Smart Home System
Smart technology is reshaping how we live — from thermostats and lighting to full smart home systems. For anyone not ready to install a complete setup, smart plugs are a great entry point into home automation, letting you control, monitor, and schedule your appliances from anywhere.
If you’re currently studying Law Lesson 9, you’ll recognise how product standards and consumer safety r egulations tie into domestic electrical technology.
What are smart plugs?
Smart plugs act like modern versions of the old timer switches. You simply plug a device into one, connect it to your Wi-Fi, and control it through an app or a smart hub such as Google Home, Amazon Alexa, or Apple Home.
From switching off lamps remotely to scheduling energy-intensive devices, they bring flexibility and energy awareness to everyday living. Some models even learn your routine, turning multiple appliances on or off with a single command.
For electricians, understanding how smart home systems integrate with existing wiring and protection measures links directly to safe installation practices covered in Conflict Resolution Lesson 3, where client communication and troubleshooting are key.
Recommended smart plugs in the UK
TP-Link Smart Plug (HS100 & HS110)
Both models connect via Wi-Fi and feature scheduling and remote control through the Kasa app. The HS110 includes real-time energy monitoring, producing weekly and monthly usage reports.
They integrate smoothly with Alexa or Google Assistant, and TP-Link’s “Away” mode switches devices on and off at intervals to deter burglars.
- HS100 – £29.99 (Argos)
- HS110 – £34.99 (Argos)
Hive Active Smart Plug
Perfect for homes already running a Hive Hub, this plug allows up to six on/off schedules per day and can link several devices together. It operates via Wi-Fi or mobile data and supports Alexa voice control. The only limitation is that a Hive hub is required.
- Price: £39.99 (Currys)
Elgato Eve Energy Smart Plug
Tailored for Apple users, this plug uses Bluetooth instead of Wi-Fi and works with Siri voice commands. You can track daily, monthly, and yearly energy reports and create “scenes” that automate multiple devices together.
- Price: £44.95 (Argos)
Orvibo B25 Smart Socket
An affordable way to explore smart control. It works through the HomeMate app, offering timers, scheduling, and energy reminders. It also integrates with Alexa. Elec Training has tested these sockets at our Wolverhampton centre — they’re simple, cost-effective, and ideal for beginners.
- Price: £19.14 (inc VAT, CEF)
Safety and communication considerations
As smart devices become common in UK homes, installers and users alike must ensure they comply with the BS 7671 Wiring Regulations and proper load m anagement. Any installation should be tested safely before use, and landlords in rented properties must confirm that connected sockets remain RCD-protected.
Understanding how to discuss safety checks with clients is equally important. Conflict Resolution Lesson 4 explores how to manage conversations around electrical faults or warranty concerns professionally — an essential skill for every modern installer.
For a broader legal and safety overview, see Manual Handling Lesson 1, which ties directly into safe working practices when handling smart devices and electrical accessories.
Smart plugs are an easy, affordable route into home automation. Whether you’re fitting them for a client or experimenting in your own home, always check manufacturer ratings, verify app permissions, and ensure correct installation practices.
At Elec Training, we continue to help learners understand the balance between innovation and safety — building knowledge that keeps homes efficient, compliant, and secure.
What are smart plugs and how do they work?
Smart plugs are compact, internet-enabled devices that plug into a standard wall socket, transforming ordinary appliances into “smart” ones by allowing remote control and automation. They typically feature a standard plug on one end (to connect to the wall) and a socket on the other (to plug in your device, like a lamp or fan). How they work: Once plugged in, the smart plug connects to your home Wi-Fi (or a hub like Zigbee/Z-Wave for some models) via a companion app on your smartphone. The app sends signals to the plug, which acts as a relay switch to turn the connected device on or off. Advanced models include energy monitoring (tracking kWh usage in real-time), scheduling (e.g., auto-off after 2 hours), and integration with voice assistants for hands-free control. For example, a TP-Link Kasa plug uses Wi-Fi to communicate directly with your phone or Alexa, enabling features like geofencing (auto-on when you arrive home). Installation is plug-and-play: insert into an outlet, download the app, and connect—taking under 5 minutes. They consume negligible power themselves (1-2W standby) and are rated for 10-15 amps (up to 1,800-3,600W), suitable for most household items.
Can smart plugs help reduce my household energy bills?
Yes, smart plugs can help reduce energy bills by eliminating “vampire energy” (standby power from idle devices like TVs or chargers, costing UK households £65-£147 annually) and enabling automation to cut unnecessary usage by 10-20%. For instance, scheduling a space heater to run only when needed or monitoring a gaming console’s 10-20W standby can save £50-£100/year. Energy-monitoring models (e.g., TP-Link HS110) provide usage insights, helping identify high-drain items for further cuts. However, savings depend on habits—proactive users see more benefits, while the plugs’ own 1-2W draw is minimal (£3/year max). Elec Training recommends them alongside smart thermostats for net-zero homes.
Do all smart plugs need Wi-Fi, or can they work offline?
Most smart plugs require Wi-Fi for remote control, app scheduling, and voice integration, but some can work offline for basic functions like local timers or manual switches if connected to a hub (e.g., Zigbee/Z-Wave models like Philips Hue, which use a bridge for local network operation). Pure Wi-Fi plugs (e.g., TP-Link Kasa) lose remote access without internet but retain physical on/off capability. Offline hubs enable automation without cloud reliance, ideal for privacy-focused setups. Elec Training advises hybrid systems for reliability.
Which smart plug is best for Alexa or Google Home users?
For Alexa or Google Home users in 2025, the TP-Link Kasa EP25 is the best overall, praised for its compact design, Matter support (seamless integration with both ecosystems), energy monitoring, and reliable scheduling—available in 2-packs for £20-£25, with 4.5/5 ratings across reviews. It responds instantly to voice commands and works without a hub. For budget options, the Amazon Smart Plug (£13) excels with Alexa. Elec Training favors Matter-enabled plugs like EP25 for future-proofing.
What’s the difference between the TP-Link HS100 and HS110 smart plugs?
The TP-Link HS100 is a basic Wi-Fi smart plug for remote on/off control and scheduling (£10-£15), while the HS110 adds energy monitoring (real-time kWh tracking via app) for usage insights (£15-£20), both rated 15A/1,800W and compatible with Alexa/Google. The HS110’s m onitoring helps cut bills by 10-15%, but HS100 is slimmer and cheaper for simple needs. Elec Training suggests HS110 for energy-conscious users.
Are smart plugs safe to use with high-wattage appliances?
Smart plugs are safe for high-wattage appliances up to their rating (typically 13A/3,000W in UK, e.g., heaters or kettles) if UL/ETL/CE-certified with overheat/overcurrent protection, but avoid continuous loads over 80% capacity (2,400W) to prevent overheating—experts recommend against space heaters (1,500W+) due to fire risk (1 in 10,000 plugs fail). Use dedicated circuits. Elec Training advises electrician checks for high-load setups.
Do smart plugs comply with UK electrical safety regulations (BS 7671)?
Smart plugs must comply with BS 7671 for safe use in UK homes, requiring RCD protection on circuits, proper earthing, and surge protection (Regulation 443), with plugs rated BS 1363 (13A) and IP-rated for damp areas. CE/UKCA marking ensures low voltage directive compliance. Elec Training confirms BS 7671 alignment for wired installs.
Can smart plugs be used in rented properties, and what must landlords check?
Yes, smart plugs can be used in rented properties as portable devices (no fixed installation), but landlords must check tenancy agreements for alterations (e.g., no drilling for wiring), ensure compliance with electrical safety (Part P, EICRs every 5 years), and verify plugs don’t overload circuits (13A max). No permission needed for plugs, but fixed smart sockets require approval. Elec Training advises EICRs for rental safety.
What safety precautions should electricians follow when installing smart sockets?
Electricians should follow BS 7671 for fixed smart sockets: conduct risk assessments, use RCD-protected circuits (30mA), ensure IP-rated (IP65+ for outdoors), test for overloads (13A max), and verify Wi-Fi compatibility without compromising earthing. Wear PPE and document installs. Elec Training’s courses include these protocols.
How can I make sure my smart home setup remains secure and compliant?
Ensure security with strong passwords/2FA (reduces hacks 99%), separate IoT networks (isolates devices), regular firmware updates (patches 80% vulnerabilities), and GDPR-compliant data handling (e.g., no unnecessary recording). For compliance, use BS 7671-rated installs. Elec Training offers security-focused smart home training.
FAQs About Smart Plugs
What are smart plugs and how do they work?
Smart plugs are internet-enabled devices that fit between a standard electrical outlet and an appliance, allowing remote control via a smartphone app or voice assistant (e.g., Alexa, Google Home). They work by connecting to your home Wi-Fi network, using a built-in relay switch to turn power on/off, and often include features like scheduling or energy monitoring. For example, you plug the smart plug into the wall, connect the appliance to it, and control it wirelessly, transforming “dumb” devices like lamps or fans into smart ones without wiring changes.
Can smart plugs help reduce my household energy bills?
Yes, smart plugs can reduce bills by 5-10% on average (£50-£150/year for a typical UK household) by eliminating “vampire energy” (standby power from devices like TVs or chargers, wasting £100-£150/year) through scheduling, remote shut-off, and energy monitoring. For instance, turning off unused appliances or setting timers for space heaters can save £200+ annually, though savings depend on usage and tariffs; they’re most effective with high-consumption items but less so for always-on devices like fridges.
Do all smart plugs need Wi-Fi, or can they work offline?
Most smart plugs require Wi-Fi for remote control, app features, and voice integration, but many can operate offline for basic scheduling (stored locally on the device). For example, TP-Link Kasa or Wyze plugs maintain timers during outages but lose remote access until Wi-Fi returns. Hub-based options (Zigbee/Z-Wave like Philips Hue) work offline via a local hub, while fully offline plugs (e.g., mechanical timers) aren’t “smart” but mimic basic functions without internet.
Which smart plug is best for Alexa or Google Home users?
For Alexa users, the Amazon Smart Plug is best (£20, seamless integration, easy setup via Alexa app, reliable for scheduling/voice control). For Google Home users, the TP-Link Kasa EP25 (£15-£20) excels with energy monitoring, Matter support, and broad compatibility. Both work offline for schedules and save 5-10% on bills; if using both ecosystems, opt for Matter-enabled like Wyze Plug Outdoor (£25) for cross-platform flexibility.
What’s the difference between the TP-Link HS100 and HS110 smart plugs?
The HS100 (£15-£20) is a basic Wi-Fi plug for on/off control, scheduling, and Alexa/Google compatibility, without energy monitoring. The HS110 (£20-£25) adds real-time energy tracking (watts/kWh) and historical data via the Kasa app, ideal for bill savings, but it’s bulkier and blocks adjacent outlets more than the HS100. Both are 13A rated, Matter-compatible in newer versions, and work offline for timers.
Are smart plugs safe to use with high-wattage appliances?
Smart plugs are generally safe for appliances up to their rating (typically 13A/3,000W in the UK), but avoid continuous high-wattage use (e.g., >2,000W like kettles or heaters) to prevent overheating or fire risks. Use for short bursts or low-load items; UL/ETL-certified plugs (e.g., TP-Link Kasa) have overload protection, but experts recommend hardwired solutions for heavy appliances and regular checks for heat.
Do smart plugs comply with UK electrical safety regulations (BS 7671)?
Compliant smart plugs meet BS 1363 (plug standard) and BS 7671 (wiring regulations) if CE/UKCA marked and rated for 13A, with RCD protection recommended for outdoor use. They must not alter fixed wiring; for integrated installations, BS 7671 requires professional fitting. Non-compliant or cheap imports risk non-conformance, so choose UK-sold, certified models like those from TP-Link or Hive.
Can smart plugs be used in rented properties, and what must landlords check?
Yes, tenants can use smart plugs in rentals if they don’t alter fixed wiring or exceed circuit loads, but landlords must verify compliance with tenancy agreements and BS 7671 (e.g., no permanent modifications). Landlords should check for UKCA marking, safe usage (no high-wattage overloads), and insurance coverage; EICRs every 5 years confirm system safety, and tenants must return the property unchanged.
What safety precautions should electricians follow when installing smart sockets?
Follow BS 7671: isolate power before work, use RCD protection (30mA), ensure IP-rated sockets for damp areas, test for earth faults and overloads, and verify Wi-Fi compatibility without compromising wiring. Use VDE tools, label circuits, and conduct PAT testing; Elec Training stresses risk assessments to prevent shocks or fires.
How can I make sure my smart home setup remains secure and compliant?
Use strong, unique passwords and 2FA for apps/hubs, enable automatic updates, choose Matter/Thread-compatible devices for interoperability, and comply with GDPR (e.g., privacy notices for cameras). Install via qualified electricians per BS 7671, use secure Wi-Fi (WPA3), and monitor for vulnerabilities via NCSC guidance; regular audits ensure safety and data protection.
