Home Extensions Northwood
If you’re looking for home extensions Northwood homeowners trust, you’ve found the right team. Monstructions handles everything from initial design through to final handover, proudly serving Northwood, Longueville, Greenwich and all neighbouring suburbs across the North Shore area.
10+ years experience guarantee
10 years guarantee
100% customer satisfaction
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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 Northwood, expertly designing and building additions that suit the homes and families throughout the North Shore area. We’re proud to serve homeowners throughout Northwood, Greenwich and Longueville with our licensed team managing everything from initial design through to final handover.
Fully licensed general contracting
Quality Workmanship
Over a decade of renovation experience across Sydney
Home Extensions Northwood
Built For The Way You Live
Northwood is home to a mix of early to mid 20th century houses, from Federation styles through to solid brick homes from the 1950s and 60s. Most blocks are around 550 to 700 square metres, offering good scope for extending at ground level or adding a second storey. Many original homes here have smaller rooms and limited living space by today’s standards, making an extension the smartest way to create the room your family needs.
We work throughout Northwood and across the lower North Shore, building everything from rear ground floor extensions to complete two storey additions. Our team understands the local housing stock and what works best for these established properties. Whether you’re opening up the back of the house for better flow or going up to capture Lane Cove River views, we handle the entire build from concept to completion.
Northwood sits in a tightly held pocket with excellent schools and easy access to the city, which keeps property values strong. Extending your existing home is often more cost effective than selling and buying bigger, especially given the high entry point in this area. A well designed extension lets you stay in the location you love while creating a home that actually works for your family.
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 Northwood?
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 Northwood 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 Northwood?
A single room addition typically starts from around $80,000, while a full ground floor extension generally ranges from $150,000 upwards depending on size and finishes. Second storey additions usually start from $250,000. We provide a detailed, obligation free quote once we understand your specific project and requirements.
How long does a home extension take in Northwood?
Most home extensions take between 3 to 6 months from council approval through to final handover. The timeframe depends on the scope of your project, with larger two storey additions taking longer than single room ground floor builds. We provide a clear timeline during the quoting process so you know exactly what to expect.
Do I need council approval for a home extension in Northwood?
Most home extensions in NSW require either Development Approval or a Complying Development Certificate from Lane Cove Council. The approval path depends on the size and type of extension you’re planning. Our team manages the entire council approval process for you, including all documentation and liaison with certifiers.
Can I add a second storey to my Northwood home?
Most homes in Northwood can support a second storey addition, though it depends on your existing structure and block dimensions. Many properties in the area benefit from added height to capture water views towards the Lane Cove River. We assess your home’s suitability during the initial consultation and design stage.
Do you service Northwood and surrounding suburbs?
Yes we service Northwood and all surrounding suburbs. Call 1300 098 730 to discuss your project.
Monstructions provides home extensions across North Shore, including Northbridge, Riverview and all surrounding suburbs.