Smart Home Electrical Wiring — 2026 London Buyer’s Guide
Smart lighting, automated blinds, voice control, security integration — modern London renovations increasingly include smart home wiring. Here’s what’s actually worth fitting and what costs are in 2026.
Smart switches vs smart bulbs
Smart switches (Lutron Caseta, Shelly, LightwaveRF): £40-120 per switch, control any bulb. Smart bulbs (Hue, IKEA Tradfri): £8-25 each, but need power constantly on. For multiple bulbs per room, smart switches win.
Wired vs wireless protocols
Wired (KNX, Loxone): £8,000-30,000 for whole house, ultra-reliable, no batteries. Best for new builds and rewires. Wireless (Hue Bridge, Zigbee, Matter): £500-3,000, retrofit-friendly, batteries needed for some sensors.
What to wire during a rewire
Cat6 to each room (£8-12/m), neutral wire to every switch (now mandatory for smart switches), USB-C wall sockets (£25-50 each), smart relay locations behind switches.
Call 07407 627542 to design your install.
