Short answer
Nuki Smart Lock Ultra is works with Home Assistant. For most users, the practical path is to pair the device to a matter controller.
Compatibility summary
| Device | Nuki Smart Lock Ultra |
|---|---|
| Platform | Home Assistant |
| Status | Works |
| Required hubs | Home Assistant Green or Yellow, Thread border router, Home Assistant Matter setup with Thread access |
| Protocols | Matter, Thread, Bluetooth, HomeKit |
| Confidence | high |
How to connect
- Pair the device to a Matter controller.
- Share or commission it to Home Assistant Matter.
- Confirm entities appear in Home Assistant.
What may not work
- Requires Thread Border Router for Thread path
- Access code management in vendor app — limited via Matter API
- EU lock format — not compatible with US deadbolts
Troubleshooting checklist
- Confirm the exact product SKU and firmware version.
- Keep the target controller and phone on the same network during pairing.
- If Matter pairing fails, factory reset the device and retry with a fresh setup code.
- Check whether the hub is only acting as a bridge or also as a Thread border router.
FAQ
Does Nuki Smart Lock Ultra work with Home Assistant?
Works. The best path is: Pair the device to a Matter controller. Share or commission it to Home Assistant Matter. Confirm entities appear in Home Assistant.
Does Nuki Smart Lock Ultra need a hub?
Usually yes: Home Assistant Green or Yellow, Thread border router, Home Assistant Matter setup with Thread access.
What features may be missing in Home Assistant?
Requires Thread Border Router for Thread path Access code management in vendor app — limited via Matter API EU lock format — not compatible with US deadbolts