Granny Flat Cost per Square Metre — 2026 Sydney Rates
Based on Rawlinson data adjusted for 2026 Sydney, granny flat construction costs $2,195 to $3,315 per sqm for medium to high spec brick veneer. Buildana (Lic. 487805C) provides fixed-price granny flat contracts across Western Sydney.
Per-sqm Rates by Spec Level
Medium standard: Brick veneer $2,195–$2,370/sqm | Full brick $2,280–$2,455/sqm High standard: Brick veneer $3,075–$3,315/sqm | Full brick $3,130–$3,375/sqm
These rates tend toward the higher end for granny flats because smaller buildings have proportionally more expensive fixed elements (kitchen, bathroom, connections) relative to floor area. A 60 sqm dwelling at $2,370/sqm = $142,200 construction before site works and connections.
Quick Budget Using Per-sqm Rates
60 sqm, medium brick veneer: • Construction: 60 × $2,370 = $142,200 • Site works: $10,000–$20,000 • Service connections: $15,000–$30,000 • Approval: $5,000–$8,000 • External works: $5,000–$15,000 • Total: $177,200–$215,200
Buildana converts these into a fixed-price quote at your free site assessment. Contact us. For a full cost breakdown, see our comprehensive granny flat cost guide.
