Roof, cladding and doors are on and the plasterer is next. This is the last look behind the lining.
Lock-up catches damage done after the frame passed: bracing cut by a following trade, studs and noggings damaged, and roof tiles broken or with broken underlaps.

Annotated findings from Lock-up (pre-plaster) inspections on Rockbank builds. Client addresses withheld.




1Bored piersAfter boring and cage placement, before concrete
2Slab pre-pourThe day before the pour, with steel and formwork open
3FrameOnce frame and trusses are up and the roof is on, before sarking
5FixingAfter mouldings, doors and joinery, before painting
6WaterproofingAfter the membrane is applied and cured, before tiling
7Pre-handover (PCI)About a week before practical completionInstant online pricing, or talk to the booking team on 1300 471 805.
Someone on a later trade puts a service straight through it. It removes the stability the brace provided, which is why lock-up matters even where the frame passed.
A broken underlap lets water past the tile into the roof space, and it is not visible from ground level.
Between the external doors going on and the plaster turning up, which is frequently a matter of days.
Yes, two names for one point in the build.
Plumbing and electrical rough-in are not tested; those are certified by their trades.
Easily at this point, which is why the timing is worth chasing.