| 18 Alva Avenue, Park Orchards |
| Land size: | 2,032 sqm | | Backyard: | south facing | | Slope: | Moderately Inclined |  |
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| Elevation Data |
| Front [A] | Center | Back [B] | | 140.36m | 145.46m | 148.76m |
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The back of the land is 8.4m higher than the front.
Degree of slope is 13 percent.
(Average building cost of $6,000 for every 1 metre of fall) |
| |
| Left [C] | Center | Right [D] | | 144.81m | 145.46m | 145.18m |
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The right of the land is 0.37m higher than the left.
Degree of slope is 1 percent. |