Knowledge hub → Retrofit

Retrofit a smart home without breaking walls

What wireless can do in a finished home, and where it can't.

Brand-neutral   6-min read

No chasing walls means no wired bus — but Zigbee, Z-Wave, Matter-over-Thread and Wi-Fi make a smart retrofit straightforward.

What retrofits cleanly

UpgradeHowRough AED
Smart lightingSmart bulbs or swap wall switches (no new wiring)from 39/bulb
Motorised curtainsBattery/retrofit curtain robots on existing tracksfrom 229/window
Climate controlSmart AC controllers over your existing remotefrom ~319
Security / CCTVWireless cameras, video doorbell, smart lockfrom ~200/unit
Whole-home scenesA hub (Matter/Home Assistant) ties it together~500–2,000

Cleanly vs with a compromise

Works cleanly

  • Smart switches (behind existing plates)
  • Retrofit curtain/blind motors
  • AC controllers & smart thermostats
  • Wireless cameras & smart locks
  • Scenes via a Matter/Home Assistant hub

Needs a compromise

  • New downlight positions (means ceiling work)
  • In-wall keypads where there's no back-box
  • Whole-villa wired KNX backbone
  • In-ceiling speakers in solid slabs
  • Very large homes on a single Wi-Fi network

The one upgrade to do first

Fix your network first. Most "unreliable smart home" complaints are weak Wi-Fi. A good mesh comes first.

Takeaways

  • Lighting, curtains, climate and security all retrofit cleanly — wireless.
  • New wiring, in-wall keypads and slab speakers are the real limits.
  • Fix the network first; it's the foundation of every wireless upgrade.

Send a floor plan for a retrofit plan with a BOQ.

Make your finished home smart

A retrofit design and BOQ tailored to what's possible without demolition.

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