Home Extensions Warriewood
If you’re looking for home extensions Warriewood homeowners trust, you’ve found the right team. Monstructions handles everything from initial design through to final handover, proudly serving Warriewood, Narrabeen, Mona Vale and all neighbouring suburbs across the Northern Beaches area.
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 HOME READY FOR AN EXTENSION?
Monstructions specialises in home extensions Warriewood, expertly designing and building additions that suit the homes and families throughout the Northern Beaches area. We’re proud to serve homeowners throughout Warriewood, Elanora Heights and Narrabeen with our licensed team managing everything from initial design through to final handover.
Home Extensions Warriewood
Built For The Way You Live
Warriewood is home to a real mix of housing stock, from older brick and tile homes built in the 70s and 80s through to newer townhouses and duplex developments. Many properties sit on decent sized blocks around 500 to 700 square metres, giving you good scope for an extension without eating up all your outdoor space. With many of these older homes featuring smaller living areas and dated layouts, an extension makes far more sense than moving, especially given today’s property prices.
We’ve completed extensions right across Warriewood and neighbouring suburbs like Narrabeen and Mona Vale, working with families who need more room as kids grow or parents want to age in place. Our team knows the local building requirements and what works with the typical housing stock in the area. We handle everything from single storey rear extensions to full second storey additions, all designed to match your existing home and suit how your family actually lives.
The Northern Beaches lifestyle keeps people in Warriewood long term, with the beach, Warriewood Square and good schools all close by. Property values have climbed steadily over the past decade, making a well planned extension a smart investment that adds serious value to your home. You get the extra space you need without the massive disruption and cost of selling and buying elsewhere.
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 Warriewood?
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 Warriewood 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."
![]()
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!"
![]()
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."
![]()
David
Products we use
FAQS
Got a question?
How much does a home extension cost in Warriewood?
A single room addition typically starts from around $80,000, while a full ground floor extension starts from $150,000 depending on size and finishes. Second storey additions generally start from $250,000. We provide a free, no obligation quote after an initial consultation at your property.
How long does a home extension take in Warriewood?
Most home extensions take between 3 to 6 months from council approval through to final handover, depending on the scope of work. The design and approval phase typically adds another 2 to 4 months before construction starts. We’ll give you a realistic timeline during your initial consultation.
Do I need council approval for a home extension in Warriewood?
Most extensions in Warriewood require either a Development Application or Complying Development Certificate from Northern Beaches Council. Some minor additions may qualify for exempt development, but this is rare. Our team manages the entire approval process for you, including all architectural drawings and submissions.
Can I add a second storey to my Warriewood home?
Many Warriewood homes are suitable for a second storey addition, particularly the older single level brick homes on larger blocks. We’ll assess your existing structure, check local height restrictions and floor space ratio limits, then design an addition that works with your property. A structural engineer inspects your home as part of our standard process.
Do you service Warriewood and surrounding suburbs?
Yes we service Warriewood and all surrounding suburbs. Call 1300 098 730 to discuss your project.
Monstructions provides home extensions across Northern Beaches, including Terrey Hills, Whale Beach and all surrounding suburbs.


