How Much Does a Granny Flat Cost in Victoria? 2026 Price Guide

Understanding the true cost of building a granny flat in Victoria is essential before you commit. Prices have shifted significantly since 2024, with material costs stabilising but labour remaining tight.

Size-Based Pricing (2026)

A one-bedroom granny flat (40–50m²) typically costs $100,000–$140,000. A two-bedroom (55–70m²) runs $140,000–$200,000. Larger designs with premium finishes can exceed $250,000.

What's Included?

Most quotes include slab, frame, roofing, internal fit-out, plumbing, electrical, and basic landscaping. What's often extra: site preparation (especially sloped blocks), demolition of existing structures, upgraded appliances, and council application fees.

Hidden Costs

Don't forget soil testing ($500–$1,500), surveying ($800–$1,200), energy efficiency reports ($500–$800), and connection to existing services. These can add $5,000–$10,000 to your total.

Always get at least three quotes and make sure they're comparing like-for-like inclusions.