Looking for the best smart extension lead in the UK? Whether you’re upgrading your home office, managing your entertainment setup, or cutting down on standby power, smart extension leads offer a simple way to save energy and take control of your devices.
In this guide, we’ll explain what smart extension leads do, why they’re essential for UK households, and how to choose the right one. We’ll also recommend top-rated models available now.

What Is a Smart Extension Lead?
A smart extension lead is a multi-socket power strip with built-in smart features. Unlike traditional extension cords, these allow you to:
- Control sockets remotely via app
- Schedule power on/off times
- Monitor energy usage
- Use voice commands with Alexa, Google Assistant, or Siri
- Charge devices via USB ports
- Protect against surges and overloads
Smart leads are ideal for UK homes where multiple devices are used daily. They help reduce energy waste, improve safety, and simplify your routines.
Why Smart Extension Leads Matter for UK Homes
✅ Reduce Standby Power Costs
Many UK households lose money to devices left on standby. TVs, consoles, printers, and chargers all draw power even when not in use. Smart extension leads let you cut this waste automatically, saving up to 10% on your electricity bill.
✅ Automate Your Daily Routines
Set your kettle to power up at 7am or your gaming setup to shut down at bedtime. Smart scheduling makes your home more efficient and convenient.
✅ Improve Safety
Cheap multi-plug adapters can overload sockets and pose fire risks. Smart extension leads from trusted brands include surge protection and meet UK safety standards (BS1363).
✅ Monitor Energy Usage
Some models offer real-time energy tracking, helping you identify which devices use the most power. This is especially useful in home offices or gaming setups.
Smart Extension Lead vs Smart Plug
Smart plugs are great for single devices. But if you’re powering a cluster—like a TV, soundbar, console, and lamp—a smart extension lead is the better choice. It offers:
- Multiple sockets
- Grouped or individual control
- Fewer wall sockets used
- Cleaner cable management
How to Choose the Best Smart Extension Lead UK
When shopping for a smart extension lead, consider the following:
🔌 Number of Sockets and USB Ports
Most leads offer 3–4 sockets and 3–4 USB ports. Choose based on your setup—living rooms and offices often need more.
📱 App Compatibility
Check which app the lead uses (e.g. TP-Link Tapo, Meross, Smart Life). Look for reliable connectivity and good user reviews.
🗣️ Voice Assistant Support
Make sure the lead works with your preferred assistant: Alexa, Google Assistant, or Apple HomeKit.
⚡ Energy Monitoring
Not all models offer this, but it’s a valuable feature for tracking usage and reducing waste.
🔒 Safety Features
Look for surge protection, overload protection, and UK plug compliance. Avoid unbranded imports with vague specs.
🧠 Individual Socket Control
Some leads let you control each socket separately. This gives you more flexibility and helps avoid powering down devices you still need.
Smart Extension Lead Setup Ideas
🛋️ Living Room
- TV, soundbar, console, lamp
- Schedule auto-off at midnight
- Use voice control for movie nights
💻 Home Office
- Monitor, printer, laptop charger, desk lamp
- Power down after work hours
- Track energy usage for budgeting
🛏️ Bedroom
- Phone charger, lamp, fan
- Schedule lights off at bedtime
- USB ports reduce clutter
🎮 Kids’ Room
- Console, monitor, speakers
- Limit gaming time with schedules
- Group control for easy shutdown
🍳 Kitchen
- Kettle, toaster, coffee machine
- Cut phantom load overnight
- Schedule morning power-up
FAQs About Smart Extension Leads
Can I use a smart extension lead with high-wattage appliances? Most support up to 13A (around 2990W). Avoid plugging in space heaters unless the lead explicitly supports it.
Do I need Wi-Fi? Yes—most smart leads require a 2.4GHz Wi-Fi connection. No hub is needed.
What happens if Wi-Fi drops? Manual control still works. Some schedules may continue running offline.
Is setup difficult? No. Most leads pair via QR code or app prompt. Setup takes 2–5 minutes.
Best Smart Extension Leads UK: Top Picks
Here are four smart extension leads we recommend for UK homes. Each offers great features, safety, and value.
1. HBN Smart Extension Lead
- 4 UK sockets + 4 USB ports
- Remote app control and scheduling
- Works with Alexa and Google Assistant
- Surge protection included
- Ideal for living rooms or multi-device setups
- Approx. £25
2. Meross Smart Power Strip
- 4 sockets + 4 USB ports
- Compatible with Alexa, Google, and Apple HomeKit
- Overload protection and energy monitoring
- Great for Apple users and smart home integration
- Approx. £30
3. ANTELA Smart Extension Lead
- 3 sockets + 3 USB ports
- Compact design with app + voice control
- Timer and scheduling features
- Perfect for bedrooms or minimalist setups
- Approx. £20
4. TP-Link Tapo P304M
- 3 individually controlled sockets
- Energy monitoring and scheduling
- Works with Tapo app, Alexa, Google
- Zero-crossing detection for safety
- Ideal for home offices or energy tracking
- Approx. £28

⚡ Want to Track Your Energy Use in Real Time?
If you’re serious about cutting costs and understanding where your electricity goes, pairing your smart extension lead with a smart energy monitor is the next step. These devices show you live usage data for your entire home—perfect for spotting hidden energy drains and building smarter habits.
→ Read next: Best Smart Energy Monitors
🔍 Need Precision for Individual Appliances?
For plug-level insights, a power usage meter is a must-have. Just plug it in, connect your device, and see exactly how much energy it’s using. Ideal for testing appliances, comparing costs, or identifying energy hogs.
→ Explore: Best Power Usage Meters
Final Thoughts
Smart extension leads are one of the easiest ways to make your home more energy-efficient. They’re affordable, simple to install, and packed with features that help you save money and reduce waste.
Whether you’re automating your morning routine, cutting down on standby power, or simplifying your setup, a smart extension lead is a smart move. Choose one of the recommended models above and start saving energy today.
Learn how to monitor and control electricity use in every room with the Smart Energy Monitors & Plugs Hub from smart plugs to power meters and automation tips that lower your bills.
