Pre-leave (this week): Rough-in all cables, mount boxes, disconnect old fixtures. ~6-8h across evenings.
During leave: Route cables during gyprock (D1-D2), install fixtures after paint (D8-D9). ~4h total.
Pre-leave Thu/Fri: Cut wall opening, frame recess (1.5m x 1.2m x 600mm), install rondo, mount gyprock, square set (tape + 1 coat). ~7h across 2 evenings.
During leave D8: Cut IKEA PAX to size + install. Square set will have 7+ days drying by then. ~3h.