The expensive part can be getting back into the wall
It is easy to postpone a switch decision because the fitting has not been chosen. But the position of a switch, the route of a cable and access to hidden equipment can be far harder to change once the walls are finished.
You do not need to arrive at an electrical meeting knowing the wiring terminology. Bring the furniture layout and describe the day: where you enter with shopping, where you read, how you get to the bathroom at night and which curtains you want to close together. Those ordinary details give the team something concrete to design around.
A lighting group is a set of fittings operated together. A driver is the power supply used by many LED fittings. Commissioning means setting up and testing how the installed equipment behaves. Agreeing those three things early avoids a surprising number of late questions.
Resolve the behaviour before the cable
An open wall is an opportunity, not a reason to buy every possible smart device. Decide what the room needs to do, then coordinate the provisions with your electrician and the rest of the build team.
This is a design checklist, not a wiring guide. Fixed electrical work in Victoria belongs with a licensed electrician. Cable selection, circuit design and compliance need professional assessment.
Switching and dimming
Agree which fittings belong together, which groups dim and where each is controlled. Include bedsides, entries and routes through the house. Test the intended lamp, driver and control combination before committing to a large order.
Ask the electrician what conductors, including neutrals where required, the selected controls need at each location. Do not assume a future device will work with whatever happens to be in the wall.
Data, sensors and panels
Mark network equipment and possible control-panel positions. Coordinate data cabling with an appropriately registered cabler. Consider power, ventilation and maintenance access for equipment locations.
Place sensors against the finished layout. Doors, cabinetry and furniture can affect what a sensor sees. Ask how a sensor will be powered and replaced, and how the room works while it is unavailable.
Drivers, blinds and access
Give LED drivers a documented location with the access and ventilation their manufacturer requires. Check that replacement is possible without dismantling finished joinery.
Coordinate blind or curtain power with the chosen system and the window detail. Keep maintenance access intentional. A concealed item should not become an inaccessible item.
Expansion and the final walk-through
Discuss sensible spare capacity or pathways for likely future changes. Leave provisions for a real use case rather than an imagined catalogue of upgrades.
Walk the plan on site before closure. Confirm switch heights and locations with the people using them. Record agreed changes and have the team document cable routes before they disappear. Keep those records with the final drawings.
The most useful outcome is a short list of resolved decisions: where things go, how they behave, who supplies them and how they can be maintained.