Home Extensions Mascot
If you’re looking for home extensions Mascot homeowners trust, you’ve found the right team. Monstructions handles everything from initial design through to final handover, proudly serving Mascot, Rosebery, Alexandria and Eastlakes and all neighbouring suburbs across the Eastern Suburbs 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 Mascot, expertly designing and building additions that suit the homes and families throughout the Eastern Suburbs area. We’re proud to serve homeowners throughout Mascot, Rosebery and Alexandria and surrounds with our licensed team managing everything from initial design through to final handover.
Home Extensions Mascot
Built For The Way You Live
Mascot is packed with post war brick homes and older semi detached properties on smaller blocks, many around 400 to 550 square metres. With the suburb sitting so close to the city and airport, many of these homes have good bones but haven’t been updated in decades. An extension lets you stay in this convenient location while getting the space and modern layout your family actually needs.
We’ve completed extensions right across Mascot and neighbouring areas like Rosebery and Alexandria, working with everything from single storey brick cottages to older semis that need extra living space. Our team knows the local building requirements and how to maximise every square metre on these compact blocks. Whether you need a new kitchen and living area out the back or a second storey addition, we handle the full process from design to completion.
Living this close to the CBD and major employment areas means property values in Mascot continue to climb. Many families are choosing to extend rather than move because finding something bigger in the same location costs significantly more. A well planned extension adds serious value to your home while letting you keep the lifestyle benefits of being in such a connected suburb.
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 Mascot?
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 Mascot 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 Mascot?
A single room addition in Mascot typically starts from around $80,000, while a full ground floor extension usually begins at $150,000. Second storey additions generally start from $250,000 depending on size and finishes. We provide a free detailed quote after assessing your property and discussing your specific needs.
How long does a home extension take in Mascot?
Most home extensions in Mascot take between 3 to 6 months from council approval through to final handover. The exact timeframe depends on the scope of your project, whether it’s a single storey or double storey addition, and any specific design requirements. We’ll give you a clear timeline during the quoting process so you know exactly what to expect.
Do I need council approval for a home extension in Mascot?
Most home extensions in Mascot require either a Development Application or Complying Development Certificate through Bayside Council. The approval pathway depends on the size and type of extension you’re planning. Our team manages the entire approval process for you, working with experienced designers and certifiers to get your project approved as quickly as possible.
Can you extend older brick homes in Mascot?
Absolutely. We regularly extend post war brick homes and older semi detached properties throughout Mascot. These homes are typically very solid and well suited to extensions, though we always conduct a thorough structural assessment first. Many of these properties benefit from adding modern open plan living areas that connect to the backyard.
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Yes we service Mascot and all surrounding suburbs. Call 1300 098 730 to discuss your project.
Monstructions provides home extensions across Eastern Suburbs, including Botany, Rosebery and all surrounding suburbs.


