| 13 Iona Avenue, Toorak | | Land size: | 1,090 sqm | | Backyard: | south west facing | | Slope: | Moderately Inclined |  |
| | Elevation Data | | Front [A] | Center | Back [B] | | 48.6m | 46.94m | 44.12m |
| The front of the land is 4.48m higher than the back.
Degree of slope is 10 percent.
(Average building cost of $6,000 for every 1 metre of fall) | | | | Left [C] | Center | Right [D] | | 48.23m | 46.94m | 46.13m |
| The left of the land is 2.1m higher than the right.
Degree of slope is 9 percent.
(Average building cost of $9,000 for every 1 metre of sideway fall) |
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