Granny Flat Builders Narwee
Monstructions specialises in granny flats Narwee, building quality secondary dwellings for homeowners across this convenient St George suburb. Our licensed team proudly serves Narwee, Beverly Hills, Hurstville and Riverwood, 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 Narwee’s established family homes, delivering quality secondary dwellings that suit the generous blocks and convenient location of this accessible St George suburb. We’re proud to serve homeowners throughout Narwee, Beverly Hills and Hurstville with our licensed team handling everything from DA approval through to handover.
Narwee Granny Flats Built Around Your Property
Narwee features established family homes built predominantly from the 1950s through to the 1980s, sitting on generous blocks typically ranging from 550 to 700 square metres. These spacious properties with deep backyards and side access are ideal for granny flat construction. Most homes follow a traditional layout with rear gardens that easily accommodate a quality secondary dwelling.
We build granny flats throughout Narwee, Beverly Hills, Riverwood, Hurstville, Penshurst and Mortdale, bringing extensive knowledge of Georges River Council requirements to every project. Our designs are specifically tailored to suit the established block sizes common throughout the St George area. From compact studios to full two bedroom configurations, we deliver granny flats that maximise your property’s potential.
The Narwee property market benefits from excellent train access to the city and proximity to Hurstville’s shopping and services, driving strong rental demand. Granny flats in the area typically achieve $450 to $550 per week, providing excellent returns for homeowners. With housing affordability pressures across Sydney, now is an ideal time to add a secondary dwelling to your Narwee property.
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 Narwee?
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 Narwee 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 Narwee?
Granny flat costs in Narwee start from $120,000 for a studio, $150,000 for a one bedroom, and $180,000 for a two bedroom configuration. Final pricing depends on your specific block conditions, chosen finishes and Georges River Council requirements. We provide detailed fixed price quotes tailored to your property and needs.
How long does it take to build a granny flat in Narwee?
The complete process typically takes 12 to 20 weeks from start to finish in Narwee. Development approval through Georges River Council usually takes 4 to 8 weeks, followed by 8 to 12 weeks for construction. We manage the entire timeline to ensure your granny flat is delivered efficiently.
Do I need council approval for a granny flat in Narwee?
Yes, all granny flats in Narwee require either Development Approval or a Complying Development Certificate under NSW planning laws. Monstructions handles the entire approval process with Georges River Council on your behalf. Our experienced team ensures all documentation meets council requirements for a smooth approval.
Will a granny flat fit on my established Narwee block with the existing home and pool?
Most established Narwee blocks between 550 and 700 square metres can accommodate a granny flat even with existing structures like pools and sheds. We conduct a thorough site assessment to determine the optimal placement that meets setback requirements and maximises your usable space. Our designs work with your property’s specific layout and constraints.
Do you service all areas of Narwee and surrounding suburbs?
We service all areas of Narwee and surrounding suburbs including Beverly Hills, Hurstville, Riverwood. Call 1300 098 730 to discuss your project.


