Open-Plan Studios
Perfect for a home office or rental unit.
Residential Services · Perth, WA
Granny Flat Building Services in Perth, WA
Looking to add extra space to your property without the hassle of moving? A well-designed granny flat is the perfect choice - smart, affordable and functional.
What Is a Granny Flat
Self-Contained Homes, Endless Uses
Granny flats are self-contained small homes built on the same block as your existing property, including a kitchen, bathroom, living room, bedroom and even a laundry.
- Family living give parents or relatives a safe and private home.
- Rental income turn your unused backyard into a steady income stream.
- Property value increase the value and appeal of your property.
- Flexible use ideal as a home office, studio or guest accommodation.
Granny Flat Designs
Popular Granny Flat Designs in Perth
One-Bedroom Flats
Great for singles, couples or elderly parents.
Two-Bedroom Granny Flats
Spacious layouts for families or long-term rentals.
Custom Designs
Tailored floor plans that match your lifestyle.
Our Process
How We Build Your Granny Flat
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Building Your Granny Flat with BD Living
A granny flat is more than just extra space - it's a wise investment and a flexible living solution. Call us to discuss your project and get a free consultation.
FAQs
Frequently Asked Questions
Got more questions? Don't hesitate to contact us for any information you require.
Ask a QuestionHow long does it take to build a granny flat?
The average timeframe is 12-16 weeks: design phase (2-3 weeks), council approvals (4-6 weeks), construction (8-12 weeks), then final inspections and handover.
Do I need council approval to build a granny flat?
Yes, all granny flats in Perth require council approval. We handle the entire application process, including building permits, planning approvals and zoning compliance.
What sizes can a granny flat be?
Common sizes include studio layouts (25-40 sqm), one-bedroom designs (40-50 sqm) and two-bedroom designs (60-70 sqm), depending on council regulations and your block size.
How much does it cost to build a granny flat in Perth?
On average: studio granny flats from $80,000-$110,000, one-bedroom from $120,000-$150,000, and two-bedroom from $160,000-$200,000+, depending on site conditions, materials and inclusions.
What are the benefits of building a granny flat?
Extra living space for family members, rental income potential, increased property value, flexible use as a home office, studio or guesthouse, and long-term savings compared to buying a new property.
Locations
Building Quality Homes Across Perth's Suburbs
Your local Perth home construction company - serving homeowners across the metro and surrounding areas.
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- Baldivis
- Canning Vale
- Claremont
- Como
- Duncraig
- Floreat
- Forrestfield
- Hammond Park
- Harrisdale
- Nedlands
- Piara Waters
- Scarborough
- South Perth
- Southern River