Custom-built granny flat in a Melbourne backyard with modern design finishes
GRANNY FLAT BUILDERS MELBOURNE

Custom Granny Flats Melbourne

Brownlow Building designs and builds custom granny flats, backyard studios and secondary dwellings across Melbourne and Victoria, with council-compliant designs, fixed pricing and high-quality workmanship.

  • Custom Granny Flats & Backyard Studios
  • Council Compliant Designs Across Melbourne
  • Fixed Price Building Contracts
  • 10-Year Structural Warranty
  • Turnkey Granny Flat Packages
Registered Victorian Builder — CDB-U 100870
Fully Insured
5★ Google Reviews

CUSTOM BUILT FOR YOUR LIFESTYLE

Custom Granny Flats, Backyard Studios & Secondary Dwellings Across Melbourne

Brownlow Building designs and builds custom granny flats across Melbourne, including one-bedroom granny flats, two-bedroom granny flats, backyard studios and fully self-contained secondary dwellings.

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Custom Designed for Your Needs

Tailored designs to suit your lifestyle, block and budget.

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Council Compliant & Hassle-Free

We manage the entire process from design to approval.

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Turnkey Solutions

End-to-end service with fixed pricing and no surprises.

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Fast Build Times

Efficient construction with minimal disruption.

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Quality You Can Trust

High-quality finishes backed by a 10-year structural warranty.

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Add Value to Your Property

Increase property value and create new opportunities.

Granny Flat Options to Suit Every Need

1 Bedroom Granny Flats
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1 Bedroom Granny Flats

Perfect for singles, elderly family members or rental income.

2 Bedroom Granny Flats
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2 Bedroom Granny Flats

Ideal for small families, guests or long-term accommodation.

Backyard Studios
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Backyard Studios

Versatile spaces for work, hobbies, or teenage retreats.

Secondary Dwellings
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Secondary Dwellings

Fully self-contained homes that provide independence and comfort.

Our Designs

The Retreat Series

Smartly designed. Beautifully built. Purpose-built granny flats for the way you live.

RETREAT 35 Studio

Perfect for guests, teens
or a private workspace.

🛏 1 Living/Bed🚿 1 Bath📐 Open Plan
Retreat 35 Studio Floor Plan

Area Schedule

Living/Bed24.0m²
Bathroom4.5m²
TOTAL35.0m²
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Total Area (Gross)

35.0m²

RETREAT 50 1 Bedroom

⭐ Most Popular

Ideal for independent living
or rental income.

🛏 1 Bedroom🚿 1 Bath📐 Open Plan Living
Retreat 50 1 Bedroom Floor Plan

Area Schedule

Living / Dining22.3m²
Kitchen6.2m²
Bedroom12.0m²
Bathroom4.4m²
TOTAL49.9m²
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Total Area (Gross)

49.9m²

RETREAT 60 2 Bedroom

More space for family,
visitors or house sharing.

🛏 2 Bedrooms🚿 1 Bath📐 Open Plan Living
Retreat 60 2 Bedroom Floor Plan

Area Schedule

Living / Dining / Kitchen31.0m²
Bedroom 110.5m²
Bedroom 210.5m²
Bathroom / Laundry4.3m²
TOTAL59.8m²
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Total Area (Gross)

59.8m²

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Council Compliant

Built to meet all Victorian standards and regulations.

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Turnkey Solution

We manage everything from design to handover.

Fast Build Times

Efficient processes to get your granny flat completed sooner.

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Fixed Price Contracts

No surprises. Transparent pricing from the start.

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10-Year Structural Warranty

Quality workmanship you can trust for years to come.

Our Designs

The Coastal Series

Coastal facade with Australian hardwood timbers. Built for the way you live.

COASTAL 40 1 Bedroom

Coastal facade with Australian
hardwood timbers.

🛏 1 Bedroom🚿 1 Bathroom🏠 Open Plan Living🪵 Roofed Verandah
Coastal 40 - Floor Plan

Specifications

Width8,200 mm
Depth4,900 mm
Deck2,000 mm (front)
TOTAL51.8m²
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Total Area (Gross)

51.8m²

COASTAL 50 1 Bedroom

⭐ Most Popular

Coastal facade with Australian
hardwood timbers.

🛏 1 Bedroom🚿 1 Bathroom🏠 Open Plan Living📚 Study Nook🪵 Roofed Verandah
Coastal 50 - Floor Plan

Specifications

Width9,800 mm
Depth5,100 mm
Deck2,000 mm (front)
TOTAL57.5m²
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Total Area (Gross)

57.5m²

COASTAL 60 1 Bedroom

Coastal facade with Australian
hardwood timbers.

🛏 1 Bedroom🚿 1 Bathroom🏠 Open Plan Living🌿 Outdoor Living🌺 Open Arbour
Coastal 60 - Floor Plan

Specifications

Width10,800 mm
Depth5,500 mm
Outdoor ArbourN/A
TOTAL59.4m²
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Total Area (Gross)

59.4m²

Facade Styles

4 Facade Options

Same smart layout. 4 distinct styles.

Traditional facade style
1. TRADITIONAL

Traditional

Brick with Colourbond Roof

Brick
Monument® Roof
Surfmist®
Black
Dune®
Hamptons facade style
2. HAMPTONS

Hamptons

Weatherboard with Colourbond Roof

Weatherboard
Surfmist®
White
Dusk®
Palladium®
Modern facade style
3. MODERN

Modern

Render Finish with Flat Roof

White Render
Limestone Brick
Timber Door
Grey Aluminium
Cream Trims
Coastal facade style
4. COASTAL

Coastal

Natural Finishes with Skillion Roof

Natural Timber
Sandstone
Surfmist® Roof
Dune® Trims
Seafoam Door
Our Process

How We Work

We keep the process simple, transparent, and stress-free — from your first call to the final handover.

1

Free Consultation

We start with a free, no-obligation consultation to understand your goals, needs, and budget.

2

Step-by-Step Planning

You receive a clear plan, timeline, and quote. We guide you through design, material selection, and approvals.

3

Expert Construction

Our experienced in-house team manages everything — no outsourcing. You'll always know who's on-site.

4

Quality Handover

We finish with a full walkthrough and quality check, ensuring every detail meets our high standards.

Transparent Process

Clear communication every step of the way.

In-House Team

No outsourcing. Dedicated to quality.

On Time & On Budget

We respect your time and investment.

Quality Guaranteed

Built to the highest standards, every time.

Local & Trusted

Proudly building across Melbourne and Victoria.

Ready to get started? Let's bring your granny flat vision to life.

Start Your Project Conversation

Custom Granny Flats, Backyard Studios & Secondary Dwellings Across Melbourne

Brownlow Building designs and builds custom granny flats across Melbourne and Victoria, helping homeowners create flexible, high-quality living spaces that add real functionality and long-term value.

Whether you're planning a one-bedroom granny flat, two-bedroom granny flat, backyard studio, or fully self-contained secondary dwelling, our team delivers council-compliant designs, fixed-price building contracts, and turnkey construction solutions tailored to your block, lifestyle, and budget.

We build granny flats for:

  • Ageing parents seeking independent living
  • Adult children needing additional space
  • Rental income and investment opportunities
  • Home offices and backyard studios
  • Guest accommodation and multigenerational living

Granny Flat Builders Across Melbourne & Victoria

We design and construct granny flats across:

  • Inner West Melbourne — Yarraville, Seddon, Footscray
  • Inner North Melbourne — Brunswick, Northcote, Fitzroy
  • Inner East Melbourne — Hawthorn, Kew, Camberwell
  • Bayside Melbourne — Brighton, Hampton, Sandringham
  • Regional Victoria — Geelong, Ballarat, Mornington Peninsula

Our Granny Flat Packages Include

  • Site assessment and feasibility advice
  • Design, drafting and council approvals
  • Engineering and permit coordination
  • Fixed-price building contracts
  • Full construction and project management
  • Turnkey handover ready for occupancy

For planning regulations, visit Planning Victoria. See similar projects in our build behind homes portfolio.

Frequently Asked Questions About Granny Flats

How much does a granny flat cost in Melbourne?

Costs vary depending on size, finishes, services, site conditions and council requirements. Most granny flat projects require detailed site assessment before final pricing.

Can I build a granny flat in my backyard in Victoria?

In many cases, yes. Site dimensions, overlays, zoning and planning controls will determine feasibility.

How long does it take to build a granny flat?

Most projects are completed within approximately 16–24 weeks depending on approvals, design complexity and site conditions.

Do granny flats add value to property?

A well-designed granny flat can increase usability, rental potential and overall property appeal.

Testimonials

What Our Clients Say

Don't just take our word for it. Hear from homeowners across Victoria who've trusted Brownlow Building for their renovation and building projects.

"Impressed with the speed and quality of their insurance repair work. Everything was handled efficiently, and the result exceeded expectations. The team was professional from start to finish."

Lisa Tran

Melbourne · Insurance Repair

"We added a home extension and decking area, and Brownlow delivered top-quality work on time and within budget. Highly recommend their team for any building project."

Mark Delaney

Camberwell · Home Extension

"Brownlow Building made the entire renovation process smooth and stress-free. The team was friendly, professional, and delivered exactly what we envisioned for our dream kitchen."

Jenna Campbell

Croydon · Kitchen Renovation

Ready to Add a Granny Flat?

Let's discuss how a granny flat can enhance your property and meet your family's needs.

1

We Call You

We'll call you to discuss your project, scope of works, timeframes and budgets, and to book a time to visit the site.

2

Detailed Quote

Receive a comprehensive quote with clear timelines.

3

Expert Delivery

Our in-house team delivers exceptional results.

Start Your Project Conversation

Fill out the form and a director will visit your site, assess the scope, and provide a detailed fixed-price quote. Response within 24 hours.

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