Independent guide — not a contractor. Planning information only. Confirm licences, waterproofing, and quotes with qualified trades and the relevant state authority.
| Room leftover | Honest vanity start | Usually too wide |
|---|---|---|
| Tight ensuite after shower + WC | 600–750 mm or a wall basin | 1500 mm double basin |
| Comfortable single wall | 900–1200 mm | Anything that collides with the shower door |
| True two-person morning | Double only if two people stand there | Two cramped bowls in a 1.8 m room |
