Most triplex designs in Perth are drawn on 720 square meters to 1000 square meter blocks. Therefore, the price will not vary by much. The cheapest triplex unit designs will cost around $135,000 each or could cost as much as $195,000 each depending on the customer's expectation of quality finish such as high ceilings and room sizes.

Buying the wrong block can cost you thousands of dollars more if you fail to do proper due diligence. Our checklist covers everything you need to know about making your block buying journey a memorable one.