Build Granny Flat
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Our Popular Granny Flat Designs in WA
We offer over 100+ fully customisable floorplans for:
check-mark-black-outline Studio Granny Flats
Compact, self-contained, ideal for singles or offices
check-mark-black-outline 1-Bedroom Designs
Great for older parents or downsizers
check-mark-black-outline 2-Bed Granny Flats
Perfect for couples or shared living
check-mark-black-outline 3-Bedroom Units
For extended families or high-yield rentals

How it Works

1
Choose your Design
2
Book your free consultation
3
We match you with the right builder
4
We manage delivery and approvals
5
Build begins!
Top 20 FAQs

Granny Flats & Kit Homes in Australia (2025)

General Questions Costs & Finance Design & Construction Regulations & Location-Specific Maintenance & Value
1. What’s the difference between a Granny Flat and a Kit Home?
A Granny Flat is a self-contained secondary dwelling typically built in your backyard. A Kit Home is a pre-designed, flat-packed house delivered to your site for assembly — often used as a primary or secondary residence.
2. Can I live in a Granny Flat or rent it out?
Yes. In WA, you can live in it or rent it out, subject to local council rules. Renting is increasingly popular for passive income.
3. Do I need council approval for a Granny Flat in Perth?
Yes, all Granny Flats in WA require local council approval. We assist with this process as part of your build journey.
4. What is the minimum land size required to build a Granny Flat?
Typically, you need at least 450m² of land, with sufficient backyard space and setbacks. Each council has specific requirements.
5. How long does it take to build a Granny Flat?
Most builds take 12–16 weeks after approval. The full process, including planning and approvals, can take 4–6 months.
6. How much does a Granny Flat cost in Perth?
Prices range from $90,000 to $180,000, depending on size, finishes, and site conditions.
7. How much does a Kit Home cost to buy and build?
Kit Homes can start from $50,000 for basic studios to $200,000+ for larger modular designs, excluding site prep and assembly.
8. Are there finance options for Granny Flats or Kit Homes?
Yes. We work with finance partners offering personal loans, construction finance, and low-deposit options.
9. Is GST included in the quoted prices?
Yes, we provide GST-inclusive quotes for transparency.
10. Can I use my super to build a Granny Flat?
Only in very specific SMSF investment structures. Speak to a licensed financial adviser.
11. Can I customise the floorplan?
Yes, most of our Kit Homes and Granny Flats can be customised to suit your needs and site conditions.
12. Do Kit Homes include plumbing and electrical?
Yes. Our kits include complete plans and provisions for plumbing and electrical, though site work must be arranged separately.
13. Who installs the Kit Home once delivered?
We help connect you with trusted local builders who specialise in Kit Home assembly.
14. Do you help with site preparation and foundation?
Yes, we can help coordinate siteworks, foundations, and service connections as part of your build.
15. Are Granny Flats energy efficient?
Absolutely. Many designs exceed 6-star energy ratings and can include solar, insulation, and passive cooling options.
16. Can I build a Granny Flat on a strata-titled property?
Usually not without written consent and shared land use rules. Some councils may restrict this.
17. What’s the maximum size of a Granny Flat in WA?
Generally, 70m² of living space (excluding alfresco areas), but this may vary by council.
18. Do I need a separate electricity or water meter?
Not always required, but recommended for rentals. We help advise on what’s best for your setup.
19. Does building a Granny Flat increase property value?
Yes. A well-built Granny Flat can add significant resale and rental value, especially in high-demand suburbs.
20. Is a Kit Home durable and compliant with Australian standards?
Yes. All our Kit Homes are engineered and certified to meet or exceed Australian Building Code and cyclone/wind zone requirements.
Top 20 FAQs

Granny Flats & Kit Homes in Australia (2025)

What’s the difference between a Granny Flat and a Kit Home?
A Granny Flat is a self-contained secondary dwelling typically built in your backyard. A Kit Home is a pre-designed, flat-packed house delivered to your site for assembly — often used as a primary or secondary residence.
Can I live in a Granny Flat or rent it out?
Yes. In WA, you can live in it or rent it out, subject to local council rules. Renting is increasingly popular for passive income.
Do I need council approval for a Granny Flat in Perth?
Yes, all Granny Flats in WA require local council approval. We assist with this process as part of your build journey.
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    Ready to Build Your Granny Flat / Kit Home?

    • Let’s talk. We offer a free 20-minute consultation to help you plan the perfect build.
    • Speak to a Perth-based advisor and get answers on cost, approvals, and builder options.