building a unit cost
Unit/townhouse building costs. The cost of building units on a subdivided property will depend on several factors. On an average, build prices for a unit or townhouse in Geelong would be around $10,000 â $18 000 per square.The final price depends on the land, fixtures and finishes chosen.Apart from this, any defect in the drainage or water supply lines would add to the price. Hence choosing wisely.n an average, build prices for a unit or townhouse in Geelong would be around $10,000 â $18 000 per square. The final price depends on the land, fixtures and finishes chosen.