| 18 Tyler Street, Preston | | Land size: | 2,781 sqm | | Backyard: | north facing | | Slope: | Nearly Level |  |
| | Elevation Data | | Front [A] | Center | Back [B] | | 59.07m | 61.77m | 62.19m |
| The back of the land is 3.12m higher than the front.
Degree of slope is 4 percent.
(Average building cost of $6,000 for every 1 metre of fall) | | | | Left [C] | Center | Right [D] | | 61.39m | 61.77m | 60.17m |
| The left of the land is 1.22m higher than the right.
Degree of slope is 3 percent.
(Average building cost of $9,000 for every 1 metre of sideway fall) |
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