Home Extensions Kenthurst
If you’re looking for home extensions Kenthurst homeowners trust, you’ve found the right team. Monstructions handles everything from initial design through to final handover, proudly serving Kenthurst, Glenhaven, Dural and all neighbouring suburbs across the Hills, Parramatta & Penrith area.
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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 HOME READY FOR AN EXTENSION?
Monstructions specialises in home extensions Kenthurst, expertly designing and building additions that suit the homes and families throughout the Hills, Parramatta & Penrith area. We’re proud to serve homeowners throughout Kenthurst, Round Corner and Annangrove and surrounds with our licensed team managing everything from initial design through to final handover.
Home Extensions Kenthurst
Built For The Way You Live
Kenthurst is dominated by large acreage properties and homes built from the 1980s through to the early 2000s, with many sitting on blocks ranging from 2 to 5 acres or more. The housing stock includes weatherboard cottages, brick ranch style homes and split level designs that often need updating to suit modern family living. An extension makes perfect sense here because the land is there, and it’s far more practical than relocating when you’ve got the space and privacy this suburb offers.
We’ve completed extensions across Kenthurst and neighbouring suburbs like Glenhaven and Dural, working with families who want to add extra bedrooms, open up living areas or create separate teenage retreats without losing their rural lifestyle. These projects often involve adding a second storey to capture views over the surrounding bushland or extending ground floor living spaces to connect better with outdoor entertaining areas. Every home is different here, and we design each extension to suit the block, the existing house and how the family actually uses their space.
Kenthurst homeowners value their acreage lifestyle and the strong sense of community that comes with semi rural living on Sydney’s fringe. With quality homes on large blocks holding and increasing in value, extending your existing property is a smart investment compared to selling and trying to find something similar elsewhere. A well planned extension can transform an older home into exactly what your family needs while keeping you in the area your kids go to school and where you’ve put down roots.
Our Home Extension Services
Whether you need a single room addition or a full second storey, our licensed team delivers quality extensions on time and within budget.
Ground Floor Extensions
Expand your living space with a ground floor addition tailored to your block and lifestyle.
Second Storey Additions
Add a full second storey to your home and double your living space without moving.
Rear & Side Extensions
Maximise your block with a rear or side extension designed to suit your existing home.
DA & CDC Approval Managed
We handle the full council approval process so you don’t have to deal with the paperwork.
Benefits of a Home Extension
Extending your home is one of the best investments you can make as a Sydney homeowner.
Significant Property Value Increase
A well-built extension adds substantial value to your property at resale
Stay in Your Suburb
Extend instead of moving and keep the location, school zone and community you love
More Space for Your Family
Get the extra bedroom, living area or open plan space your family actually needs
Cheaper Than Buying
In most Sydney suburbs, extending costs far less than buying a larger home
Get Started with Monstructions Today!
Ready to extend your home and create the space your family needs? Contact us today for a free quote and let our home extension specialists bring your vision to life.
Our Extension Process
Initial Consultation
Free consultation to discuss your extension ideas, block constraints and budget.
Design and DA Approval
We design your extension and manage the full council approval process on your behalf.
Site Preparation
Full site preparation, structural work and foundation ready for building.
Construction
Licensed builders construct your extension to the highest standard with all trades managed.
Final Handover
Full inspection and walkthrough before handover to ensure everything is built to specification.
How Much Does a Home Extension Cost in Kenthurst?
Every extension is different. Click the button below to hear back from us within 2 hours!
Single Room Addition
Smart upgrades that make a big impact.- Ground floor extension
- New bedroom, living or study
- Full council approval managed
- Licensed builder end to end
- Fixed price contract
- Tailored to your block and budget
Full Home Extension
Full transformation of your home footprint.- Multi-room ground floor addition
- Kitchen, living, bedroom combinations
- Full structural engineering
- Council DA approval managed
- Fixed price contract
- Tailored to your home and lifestyle
Second Storey Addition
Double your space without moving.- Complete second storey build
- Custom design and architecture
- Full structural and engineering
- Council DA approval managed
- All trades managed end to end
- Fixed price contract
- Fully customised to your vision
Why Kenthurst Homeowners Choose Us For Their Extension?
As home extension specialists across Sydney, we manage everything from design and approvals through to construction and handover.
10+ Years of Extension Experience
Our team has delivered ground floor extensions, second storeys and full home additions across Sydney.
We Manage the Full Process
From DA approval to final handover, we handle every step so you don’t have to.
Trusted by Sydney Homeowners
Homeowners across Sydney trust Monstructions to deliver their extension on time and to budget.
Licensed and Fully Insured
Every extension is built by licensed professionals with full insurance and a fixed price contract.
Don't Take Our Word For It
"I contacted Monstructions to get an idea of a price for doing an extension on my home. Of course I contacted many other people but they were the only ones who came back to me and assisted in giving me an idea of the price. I was so grateful. I wouldn't hesitate in recommending this company as we couldn't be more happy with the team, thank you for your help and support."
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Amanda
"We had a plan of what we wanted with our 2nd story + granny flat addition, but also had a budget to meet..the Monstructions team worked hard to make that happen for us. With a few little hiccups along the way from weather delays, the boys kept the job moving as smoothly as possible and the team were amazing in keeping mess to a minimum. Allowing us to stay at home during the reno. 100% highly recommended!"
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Angela
"Fantastic! Monstructions did an amazing job on my home extension, all the boys that worked on my house were professional and polite, and their quality of work was second to none. From drawings to completion it was a breeze working with them. They were easy to work with and extremely efficient and professional. Thank you for all the hard work and effort, I will recommend you to everyone I know."
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David
Products we use
FAQS
Got a question?
How much does a home extension cost in Kenthurst?
A single room addition typically starts from $80,000, while a full ground floor extension begins around $150,000 depending on size and finishes. Second storey additions generally start from $250,000 due to the structural work involved. We provide a free quote after assessing your property and discussing what you’re looking to achieve.
How long does a home extension take in Kenthurst?
Most home extensions take between 3 to 6 months from council approval through to final handover, depending on the scope and complexity of the build. Larger second storey additions or projects with custom details may take longer. We’ll give you a realistic timeline during the quoting process and keep you informed throughout the build.
Do I need council approval for a home extension in Kenthurst?
Most extensions in Kenthurst require either a Development Application or Complying Development Certificate through The Hills Shire Council. The exact approval pathway depends on your property, the size of the extension and setbacks from boundaries. We manage the full approval process for you, working with certifiers and council to get your project approved efficiently.
Can you extend homes on acreage blocks in Kenthurst?
Absolutely, and acreage blocks actually give us more flexibility with design and placement of the extension. We’ve worked on plenty of large rural blocks throughout Kenthurst where setbacks aren’t as restrictive as smaller suburban lots. The key is designing an extension that suits the land, complements the existing home and takes advantage of the views and space you’ve got available.
Do you service Kenthurst and surrounding suburbs?
Yes we service Kenthurst and all surrounding suburbs. Call 1300 098 730 to discuss your project.
Monstructions provides home extensions across Hills, Parramatta & Penrith, including Kellyville Ridge, Leets Vale and all surrounding suburbs.


