Home Extensions Leonay
If you’re looking for home extensions Leonay homeowners trust, you’ve found the right team. Monstructions handles everything from initial design through to final handover, proudly serving Leonay, Emu Plains, Erskine Park and all neighbouring suburbs across the Hills, Parramatta & Penrith 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 Leonay, expertly designing and building additions that suit the homes and families throughout the Hills, Parramatta & Penrith area. We’re proud to serve homeowners throughout Leonay, Emu Plains and Glenmore Park 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 Leonay
Built For The Way You Live
Leonay features a mix of older fibro and brick homes from the 1960s and 70s alongside some newer builds, sitting on generous blocks that often back onto bushland or open space. Many homes here were built when room sizes were smaller and living areas were closed off from the kitchen. An extension is often the most practical way to create the open plan living space and extra bedrooms families need without leaving this peaceful riverside suburb.
We’ve completed extensions throughout Leonay and nearby suburbs like Emu Plains and Glenmore Park, working with the sloping blocks and bushfire prone land classifications common to this area. Our team understands local building requirements and how to design extensions that work with the natural landscape. Whether you’re adding a second storey to capture mountain views or extending at ground level to create better indoor outdoor flow, we handle every stage from council approvals through to the final build.
Leonay offers a quiet lifestyle close to the Nepean River with good schools nearby and easy access to Penrith, making it popular with families who want space without the Sydney price tag. Extending your existing home here makes financial sense compared to buying a larger property in the current market. A well designed extension can add significant value while letting you stay in a location that’s become increasingly hard to find at an affordable price point.
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 Leonay?
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 Leonay 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 Leonay?
A single room addition typically starts from around $80,000, while a full ground floor extension begins at $150,000 and second storey additions from $250,000. These are guide prices only as every home and project is different. We provide a free detailed quote after assessing your property and understanding exactly what you want to achieve.
How long does a home extension take in Leonay?
Most home extensions take between 3 to 6 months from council approval through to final handover, depending on the size and complexity of your project. A single room addition will be quicker than a full second storey. We provide a clear timeline during the quote process and keep you updated throughout the build.
Do I need council approval for a home extension in Leonay?
Most extensions in Leonay require either a Development Application or Complying Development Certificate from Penrith Council. Some smaller works may qualify as exempt development but this depends on your specific plans and property. Our team manages the full approval process for you, including dealing with any bushfire attack level requirements common to this area.
Can you extend on sloping blocks in Leonay?
Yes, we regularly work with sloping sites throughout Leonay and the surrounding foothills area. Many blocks here have significant fall which can actually create opportunities for under house extensions or walk out lower levels. We’ll assess your site during the initial consultation and design an extension that works with the natural slope rather than fighting against it.
Do you service Leonay and surrounding suburbs?
Yes we service Leonay and all surrounding suburbs. Call 1300 098 730 to discuss your project.
Monstructions provides home extensions across Hills, Parramatta & Penrith, including Kingswood, Llandilo and all surrounding suburbs.