| 1 Harris Road, Donvale | | Land size: | 4,192 sqm | | Backyard: | south west facing | | Slope: | Moderately Inclined |  |
| | Elevation Data | | Front [A] | Center | Back [B] | | 130.34m | 137.66m | 144.8m |
| The back of the land is 14.46m higher than the front.
Degree of slope is 16 percent.
(Average building cost of $6,000 for every 1 metre of fall) | | | | Left [C] | Center | Right [D] | | 139.46m | 137.66m | 136.17m |
| The left of the land is 3.29m higher than the right.
Degree of slope is 7 percent.
(Average building cost of $9,000 for every 1 metre of sideway fall) |
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