Granny Flat Builders Kurnell
Monstructions specialises in granny flats Kurnell, building quality secondary dwellings for homeowners across this historic beachside suburb. Our licensed team proudly serves Kurnell, Cronulla, and surrounding coastal areas, handling everything from DA approval through to handover.
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🔥 June Special! Free site inspection + council feasibility check included. Limited to 3 jobs this month. Call 1300 098 730
IS YOUR PROPERTY READY FOR A GRANNY FLAT?
Monstructions specialises in building granny flats in Kurnell’s coastal homes, delivering quality secondary dwellings that complement the generous block sizes and relaxed beachside atmosphere of this historic suburb. We’re proud to serve homeowners throughout Kurnell and nearby suburbs including Cronulla and La Perouse, with our licensed team handling everything from DA approval through to handover.
Kurnell Granny Flats Built Around Your Property
Kurnell features predominantly coastal homes built from the 1960s onwards, with many properties sitting on generous blocks that provide excellent scope for granny flat construction. The relaxed beachside atmosphere and larger than average land sizes make these properties ideal for adding a secondary dwelling. Most homes enjoy spacious backyards with side access, perfect for self-contained studio, one or two bedroom granny flats.
We service Kurnell and surrounding suburbs including Cronulla, Greenhills Beach, La Perouse, Bundeena, and Matraville with expert granny flat construction tailored to coastal living. Our team has extensive experience with Sutherland Shire Council requirements and understands the specific needs of beachside properties. From compact studios to full two bedroom designs, we create granny flats that complement the relaxed coastal character of the area.
Kurnell’s beachside location and proximity to Cronulla drives strong rental demand, with granny flats commanding around $450 to $550 per week. The suburb’s limited housing supply and appeal to professionals and families creates excellent opportunities for homeowners seeking rental income or multigenerational living. With property values rising steadily, adding a granny flat now maximises your investment while meeting growing demand for coastal accommodation.
Our Granny Flat Services
Whether you’re adding a studio for rental income or a full 2 bedroom dwelling for family, our licensed team delivers quality granny flats across Sydney.
Detached Granny Flat
A fully self-contained dwelling separate from your main home.
Attached Granny Flat
Built onto your existing home, sharing one wall.
Studio Granny Flat
A compact, cost-effective single-room secondary dwelling.
2 Bedroom Granny Flat
Spacious secondary dwelling perfect for family or rental income.
Garage Conversion
Transform your existing garage into a fully liveable granny flat.
Council Compliant Builds
We handle all DA approvals and council paperwork for you.
Benefits of Granny Flats
Investing in a granny flat is one of the smartest decisions you can make as a homeowner.
Increased Property Value
Adds $150,000+ to your home’s value
Generate Rental Income
Earn $400-$600+/week from a quality granny flat
House Family
Keep loved ones close with their own private space
Fast DA Approval
We handle all council paperwork for you
Get Started with Monstructions Today!
Are you ready to transform your land into a beautiful and functional space? Contact us today for a free quote and let our granny flat experts bring your vision to life. Experience the quality and dedication that set us apart from the rest.
Our Renovation Process
Initial Consultation
We start with a free consultation to discuss your ideas and requirements. Our team will guide you through the design possibilities, ensuring your vision is captured.
Design & DA Approval
We design your granny flat and manage the full council approval process.
Construction
Our licensed team builds your granny flat to the highest standard.
Final Inspection
Thorough inspection before handover to ensure everything is perfect.
How Much Does a Granny Flat Cost in Kurnell?
Every granny flat is different. Click the button below to hear back from us within 2 hours!
Studio Granny Flat
Everything you need in a compact, smart design.- Single open-plan living space
- Kitchenette
- Bathroom
- Fully self-contained
- Council compliant
- Fixed price contract
- Tailored to your budget
1 Bedroom Granny Flat
One bedroom design for rental income or family.- Separate bedroom
- Full kitchen
- Full bathroom
- Living area
- Council compliant
- Fixed price contract
- Tailored to your style & needs
2 Bedroom Granny Flat
Two bedrooms for maximum space and rental return.- Two separate bedrooms
- Full kitchen
- Full bathroom
- Living area
- Council compliant
- Fixed price contract
- Fully customised to your vision
Why Kurnell Homeowners Choose us?
As leading granny flat builders in Sydney, we pride ourselves on our commitment to quality and customer satisfaction. We make building simple, stress-free and done right the first time.
10+ Years of Building Experience
Our team has delivered hundreds of successful builds across Sydney; on time and within budget.
On Time, On Budget
We keep you informed at every step and never surprise you with hidden costs.
Trusted by Sydney Homeowners
From Sutherland Shire to the North Shore, homeowners trust us to deliver.
Licensed and Fully Insured
Every job is handled by licensed professionals. You get quality workmanship backed by full insurance.
Don't Take Our Word For It
"It took me a couple of months of research before choosing Monstructions. They have been nothing but amazing. They were extremely helpful throughout the process, made great suggestions to help me overcome some obstacles, assisted with any changes I wanted made to the flat and was very quick with responses. They took care of all the permits and made it was very easy and smooth process. Quality finish and craftsmanship. I'm so happy and I would highly recommend them to everyone. Thank you to the team for completing the flat in a matter of months, thank you for giving me a beautiful space I can call home. I absolutely love it."
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Joanne T.
"We recently received handover of our granny flat and we all couldn't be happier! From the initial meetings about design and budget right through to completion, everyone has been an absolute pleasure to deal with. The project was delivered early, on budget and the finishes are immaculate. My mum is thrilled to move into her house, we highly recommend Monstructions to anyone looking to build a granny flat!"
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Kimberly R.
"We found our experience with Monstructions to be excellent, from start to finish. Communication lines always open, clear and organised, delivered on everything they said they would in a timely fashion. The quality of workmanship is outstanding, and the final result exceeded our expectations. Our new space is not only beautifully designed but also incredibly functional. Thank you for making this such a positive experience!"
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Chris C.
Products we use
FAQS
Got a question?
How much does a granny flat cost in Kurnell?
Granny flat costs in Kurnell start from $120,000 for a studio, $150,000 for a one bedroom, and $180,000 for a two bedroom design. Final costs depend on your specific block characteristics, chosen finishes, and Sutherland Shire Council requirements. We provide detailed fixed-price quotes after assessing your property.
How long does it take to build a granny flat in Kurnell?
Building a granny flat in Kurnell typically takes 12 to 20 weeks from start to finish. Development application approval through Sutherland Shire Council takes 4 to 8 weeks, followed by 8 to 12 weeks of construction. We manage the entire process to ensure your project stays on schedule.
Do I need council approval for a granny flat in Kurnell?
Yes, all granny flats in Kurnell require either a Development Application or Complying Development Certificate under NSW planning laws. Monstructions handles the entire council approval process on your behalf, liaising with Sutherland Shire Council to ensure compliance. Our experienced team makes the approval process straightforward and stress-free.
Are coastal block granny flats suitable for Kurnell properties?
Absolutely. Kurnell’s larger coastal blocks are ideally suited to granny flat construction, offering ample space for quality secondary dwellings. We design granny flats specifically for beachside conditions, using materials and finishes that withstand coastal weather while complementing the relaxed character of the area.
Do you service all areas of Kurnell and surrounding suburbs?
We service all areas of Kurnell and surrounding suburbs including Cronulla, Greenhills Beach, La Perouse. Call 1300 098 730 to discuss your project.


