can my 7 year old sit in the front seat

Short answer: yes—across Australia a 7‑year‑old may sit in the front seat, but it’s safer in the back and that’s where they should be if there’s room.

They must use an approved booster seat or a properly adjusted seatbelt that fits their size; airbags and seating position matter more than who called shotgun.

If the car only has one row of seats, front it is; otherwise, keep them in the rear unless it’s genuinely unavoidable.

State rules are broadly aligned, but always check your local road authority for any quirks—then enjoy the peace and quiet while they argue with the glovebox instead of you.