The early weeks
Strip out and foundations are the most disruptive. Skip in the drive, scaffold up, neighbours noticing. Brace for it.
The slow middle
First fix often feels like nothing visible is happening. It is — pipes, cables, insulation. This is when independent oversight catches the most.
The fast finish
Second fix and finishes look fast because so much is visible. Snagging starts now. Resist the urge to move in before it is properly finished.