How Much Does It Cost to Build a Granny Flat in Sydney?
Building a granny flat in Sydney is a smart investment—whether you’re aiming to accommodate family, increase property value, or generate rental income. But how much does it really cost to build a granny flat in Sydney? Let’s break it down with clarity and confidence, so you can start your project without any surprises.
Average Costs for Granny Flats in Sydney
Granny flat prices can vary greatly depending on several factors including size, inclusions, and site-specific requirements. On average, you can expect:
- One-bedroom granny flat: From $120,000 – $150,000
- Two-bedroom granny flat: From $150,000 – $200,000
- Three-bedroom granny flat: From $180,000 – $250,000
These are base estimates and can increase depending on site access, utility connections, and finishes. Understanding what’s included (and what’s not) in your quoted price is essential.
What’s Included in a Turn-Key Granny Flat Price?
A turn-key package means the granny flat is fully finished and ready to live in. Our affordable, transparent pricing includes:
- Full design and council approval
- Site preparation and foundation
- Connection to sewer, water, and power
- Internal fit-out including bathroom, kitchen, flooring, and paint
- BASIX compliance (energy efficiency requirements)
Many builders exclude or under-quote these essentials. That’s why it’s important to work with specialists who offer transparent, turn-key build prices.
Related Reading: Learn more about often-overlooked costs in our Granny Flat Site Costs Revealed article.
Factors That Influence Granny Flat Costs
- Size & Design Complexity: More rooms and custom features mean higher costs.
- Site Conditions: Sloping land, access issues, and soil type can affect foundation and excavation costs.
- Utility Connections: Distance from existing services impacts cost.
- Inclusions: Quality of fixtures, fittings, and materials can vary significantly.
- Council Fees & Approvals: Fees can differ between councils and affect your budget.
Why Our Clients Save Thousands
At Granny Flats Sydney, we’ve removed the middleman. That means no inflated prices or confusing quote breakdowns. Our clients deal directly with the designers, approvers, and builders—the people who actually do the work. This approach saves thousands and ensures you know exactly what you’re paying for at every stage.
Our uniquely transparent system includes detailed property appraisals, approvals, and affordable, turn-key build packages—all under one roof.
Visit Our Display Granny Flat in Panania, Sydney
Want to see the quality of our work? Book a visit to our fully finished granny flat display and get inspired for your own project. Whether you’re at the planning stage or ready to build, we’re here to help every step of the way.
Call 1300 205 007 today to start your design, approval, and build process with Sydney’s most transparent granny flat builder.
FAQ – Granny Flat Costs in Sydney
Q: How much does a granny flat cost in Sydney?A: For a one-bedroom granny flat, expect $120,000–$150,000; for two bedrooms, $150,000–$200,000; and for three bedrooms, up to $250,000. Turn-key options provide the best value with no hidden costs.
