Granny Flat Builders Pennant Hills

Monstructions specialises in granny flats Pennant Hills, building quality secondary dwellings for homeowners across this established Upper North Shore region. Our licensed team proudly serves Turramurra, Wahroonga and Hornsby, handling everything from DA approval through to handover.

10+ years experience guarantee

10 years guarantee

100% customer satisfaction

Get A Free Quote Now!

🔥 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 Pennant Hills on the generous blocks that define this leafy Upper North Shore suburb, delivering quality secondary dwellings that complement established family homes. We’re proud to serve homeowners throughout Pennant Hills and nearby suburbs including Turramurra and Wahroonga, with our licensed team handling everything from DA approval through to handover.

    Fully licensed bonded general contracting

    Quality Workmanship

    Over a decade of renovation and building experience across Sydney

    Pennant Hills Granny Flats Built Around Your Property

    Pennant Hills features predominantly brick homes from the 1960s to 1980s, set on generous blocks typically ranging from 700 to 1200 square metres. These established properties often include large backyards with level to gently sloping terrain, making them ideal candidates for secondary dwellings. The spacious block sizes provide ample room for a granny flat while maintaining private outdoor areas for the main residence.

    We build granny flats throughout Pennant Hills, Turramurra, Wahroonga, Thornleigh, Beecroft and Hornsby, with extensive knowledge of Hornsby Council requirements and approval processes. Our designs are specifically tailored to suit the larger blocks common in the Upper North Shore, from compact studio configurations to spacious two bedroom layouts. Every project is customised to complement the established character of your property and neighbourhood.

    The Pennant Hills property market remains strong due to excellent schools, transport links and family appeal, driving consistent rental demand across the Upper North Shore. Quality granny flats in the area achieve weekly rents from $450 to $650, providing excellent returns for homeowners. With housing affordability pressures and limited supply, now is an ideal time to add a secondary dwelling to your 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 Pennant Hills?

    Every granny flat is different. Click the button below to hear back from us within 2 hours!

    Why Pennant Hills 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.

    Turramurra

    "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.

    Wahroonga

    "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.

    Hornsby

    Products we use

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    FAQS

    Got a question?

    How much does a granny flat cost in Pennant Hills?

    Granny flat costs in Pennant Hills typically start from $120,000 for a studio, $150,000 for a one bedroom, and $180,000 for a two bedroom design. Final pricing depends on your specific block conditions, choice of finishes, and Hornsby Council requirements. We provide detailed quotes after assessing your property and discussing your needs.

    How long does it take to build a granny flat in Pennant Hills?

    The complete process for building a granny flat in Pennant Hills typically takes 12 to 20 weeks from start to finish. DA or CDC approval through Hornsby Council usually takes 4 to 8 weeks, followed by 8 to 12 weeks for construction. We manage the entire timeline and keep you informed at every stage.

    Do I need council approval for a granny flat in Pennant Hills?

    Yes, all granny flats in Pennant Hills require council approval under NSW planning regulations, either through Development Application or Complying Development Certificate pathways. Monstructions handles the entire approval process with Hornsby Council on your behalf. Our experienced team ensures all documentation meets requirements for a smooth approval.

    Can sloping blocks in Pennant Hills accommodate granny flats?

    Yes, many Pennant Hills properties have sloping terrain that can successfully accommodate granny flats with appropriate design and site preparation. Our team assesses your specific block to determine the most cost effective foundation solution, whether slab on ground or suspended floor systems. We regularly build on sloping Upper North Shore blocks and tailor designs to suit the topography.

    Do you service all areas of Pennant Hills and surrounding suburbs?

    We service all areas of Pennant Hills and surrounding suburbs including Turramurra, Wahroonga, Hornsby. Call 1300 098 730 to discuss your project.

    Monstructions provides granny flat building across Upper North Shore, including North Wahroonga, Pymble and all surrounding suburbs.