Whats the best setup for my g+4 (9bhk bungalow)

Devices
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I am in the process of building a large-scale residential bungalow in Navi Mumbai, India. The structure is G+4 (Ground + 4 floors) with a total of 9BHK. I intend to automate the entire property, including the ground floor, using Homey Pro as the central hub.

​To ensure a robust and reliable installation, I have the following specific questions:

​Multi-Floor Strategy & Hardware Placement:

​Given the RCC construction across 5 levels, what is the best strategy for hub placement?

​Should I install a Homey Bridge on every floor to maintain a strong Zigbee/Z-Wave mesh, or can the Homey Pro handle this through a WiFi mesh backbone?

​Network Integration (TP-Link Deco):

​I will have a TP-Link Deco Mesh WiFi system on every floor. How does Homey Pro interact with a mesh WiFi environment, especially when moving between nodes?

​Is it recommended to connect the Homey Pro via the Ethernet Adapter for maximum stability in such a large setup?

​Device Capacity & Performance:

​With 9BHK, the total device count (switches, sensors, curtains, and lighting) will likely exceed 100-150 units. Can a single Homey Pro handle this volume without latency?

​In a multi-floor setup, how does Homey handle “Zones” for easy navigation in the app?

​Regional & Operational Queries:

​Are there any specific Z-Wave frequency considerations for the Indian market?

​Does the automation logic (Flows) run locally? This is crucial for us in case of intermittent internet connectivity.

​I want to ensure 100% coverage from the Ground Floor to the Terrace. I would appreciate your technical recommendations on the ideal architecture for this project.

​Best regards,

Vinayak Kharkar

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I would say, central in the house, so 3th level. My house is 3 levels, with the hub on the ground floor front of the house,. no problems on the 2nd floor.

Thats an expensive possibility. The Bridge acts as a normal zigbee/zwave router, just as a much cheaper lightbulb or plug or any other non-battery-fed device would.

Homey would just interact with one, to make a Wifi-connection for itself. But it is recommended to connect Homey using ethernet (the ethernet adapter you would buy separately).

So, yes.

Sorry, don’t know enough of these to answer sufficiently.

Yes. Supposing of course you would only use local devices. So no cloud-based wifi devices. Zigbee, |Zwave, and local wifi-devices would all run without internet, but of course your local wifi would be needed in case of wifi-devices. Zwave and Zigbee (and Thread) can run without Wifi. I think they can also be operated by Homey without any Ethernet, but I’m not sure.

Good luck!

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Solely about bridging zigbee over wifi techniques: Athom / Homey (devices) still lack such a possibility.
But, it can somewhat be done with an additional Pro, and import the ‘remote’ devices per HomeyLink app.
What’s different:
this creates 2 separate zigbee mesh networks.

Like Thunder mentioned already: you don’t need (a) Homey bridge(s) to expand your zigbee mesh.
If that’s the only purpose you have for the bridge, it’s an expensive choice, because almost any mains powered zigbee device acts as a zigbee router.

It’s best to put Homey as central as possible, and expand the zigbee mesh to all corners & floors by smart placing of zigbee routers. I think max. 4 meters is a rule of thumb when it comes to indoor signal range.

Note: there’s smart devices out there which don’t need a neutral wire, like wall switches / dimmers → often these do not have zigbee router functionality.