Home Extensions Sydney
If you’re looking for home extensions Sydney homeowners trust, you’ve found the right team. Monstructions handles everything from initial design through to final handover, proudly serving Sydney and all neighbouring suburbs.
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 Sydney, expertly designing and building additions that suit the homes and families throughout the Sydney area. We’re proud to serve homeowners throughout Sydney and surrounds 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 Sydney
Built For The Way You Live
Sydney’s housing stock ranges from federation homes in the inner west to post war brick cottages and 70s and 80s project homes across the suburbs. Most residential blocks sit between 450 and 700 square metres, which leaves plenty of room to extend rather than uproot your family. With Sydney’s median house price well over $1.4 million, extending your current home makes far more financial sense than selling and buying bigger.
We’ve completed extensions across the entire Sydney metro area, from Cronulla to Hornsby and Parramatta to the eastern suburbs. Whether you’re in Baulkham Hills, Sutherland Shire, Canterbury Bankstown, or anywhere in between, we understand local council requirements and the specific challenges of building in your area. Our team has worked on everything from heritage listed properties in Glebe to modern knock down rebuilds in Kellyville.
Sydney families are staying put longer, which means homes need to work harder for growing families and changing needs. An extra bedroom, larger living area, or second storey can add $200,000 to $400,000 in property value while giving you the space you actually need. You keep your established neighbourhood, your kids stay in their schools, and you avoid stamp duty and moving costs that can easily exceed $60,000.
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 Sydney?
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 Sydney 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 Sydney?
A single room addition typically starts from $80,000, while a full ground floor extension ranges from $150,000 depending on size and finishes. Second storey additions generally start from $250,000 due to structural requirements and access challenges. We provide a free quote after assessing your property and discussing your specific needs.
How long does a home extension take in Sydney?
Most home extensions take between 3 to 6 months from council approval through to final handover. The timeline depends on the scope of work, weather conditions, and any structural challenges discovered during construction. We provide a detailed schedule during the quoting process so you know exactly what to expect.
Do I need council approval for a home extension in Sydney?
Most extensions in Sydney require either a Development Application or Complying Development Certificate from your local council. The approval pathway depends on your property’s zoning, heritage status, and the size of your proposed extension. Our team manages the entire approval process including architectural plans, engineering reports, and council submissions.
Can you extend a brick veneer home in Sydney?
Absolutely. Most homes built across Sydney from the 1960s through to the 2000s are brick veneer construction, and they’re well suited to extensions. We assess the existing foundation and structure to determine the best way to tie in your new addition. These homes typically have straightforward floor plans that make extending the rear or adding a second storey relatively straightforward.
Do you service all areas of Sydney?
Yes we service all suburbs across Sydney. Call 1300 098 730 to discuss your project.
Home Extensions Across Sydney
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