Smart-home integration sits in an awkward place on most residential drawings: too technical for the architectural team to specify confidently, too architectural for the MEP team to commit to early. The result on a typical Egyptian villa project is that smart-systems get deferred until fit-out — and then cost three to five times what they would have during structural works.
Decisions worth fixing at the drawings stage. Backbone wiring (Cat6A or fiber to every termination point), conduit routes between floors with pull strings, dedicated low-voltage panels, and ceiling penetrations for distributed audio and motorized shading. None of these are visible after fit-out, but all of them are 5x more expensive to add later. Noble Line's residential team flags every one of these on the structural drawings, even when the client hasn't yet committed to a specific smart-home platform.
Decisions safe to defer. Specific brand choices (Lutron vs Crestron vs KNX), keypad placement, scene programming, and even most lighting fixture selections can move to fit-out without penalty — provided the backbone above is in place. Locking these too early risks paying for last-year's product line when the project hands over.
The interface that always breaks first. In our experience, the single most-common smart-home failure isn't a device — it's the interface between the smart system and the conventional MEP. HVAC zones the smart panel can't see, switch banks that bypass the lighting controller, and emergency lighting that doesn't fail-safe to "on" when the smart system reboots. We coordinate those interfaces in the same workshops where we coordinate MEP-to-finishes, not as a separate exercise.
The smart-home bill of materials looks intimidating on a drawings package, but the meaningful cost driver is just: who decides what gets cabled when. Get that right at design stage and the rest of the system follows at a budget the client expects.


