1. centralised all network equipment into single area.
modem, router, nvr, nas, etc etc
2. consider add conduit for cabling on ur ceiling and wall trunking for maintenanbility.
3. Use PoE for everything, CCTV, AP (dont use Mesh), door bell, auto gate, etc. U will need CAT6 23AWG.
4. For smarthome, add Neutral wiring to ALL ur wall switch.
5. Plan for power saving or go green...
Electric appliances, consider use inverter for everything.
Ceiling fan, air con, refrigerator, washing machine.
6. For landed, consider wiring grid for solar panel.
If u planned for EV car, start plan to tap the power directly there.