Home Extensions
Sydney’s Eastern Suburbs, Inner West and Lower North Shore Home Extension Builders
FREE SYDNEY RENOVATION GUIDE:
5 Renovation Traps That Can Wreck Your Forever Home
Don't just add space.
Create a seamless, beautiful extension
that’s structurally sound
- and guaranteed for life.
Our holistic approach blends structural expertise with thoughtful design - ensuring your extension doesn’t just add square metres, but creates beautifully integrated living spaces that feel like they were always meant to be there. Here's what makes a Lumiere extension different:
THE KEY TO EXTENSION SUCCESS and why most Sydney extensions fall short of their potential
If you're thinking about extending your home, chances are you've been collecting ideas for some time. You've imagined the extra living space. You've researched open-plan designs. You've pictured what life will be like with more room for your growing family.
But here's something most people don't discover until it's too late: A successful extension doesn't begin with the extension itself. It begins with understanding what's possible with your existing home and land.
Why most extensions never reach their full potential
Without realising it, most people engage a builder to add an extension… without fully exploring how the extra space will work with existing rooms in their home.
They focus on square meters and basic additions, while missing opportunities to optimise flow and create a truly integrated living space that transforms their lifestyle.
Why does this happen? Because most extensions are treated like modular add-ons.
As a result, even after investing hundreds of thousands on extensions, many families end up with:
- Disconnected spaces that feel awkward and out of place
- Extensions that don't match their existing home's character
- Poorly planned layouts that waste valuable space
- Comfort issues between old and new areas
- Dark zones where natural light should flow
- Lost building footprint due to regulatory oversights
Before you extend, discover what's possible
We don't say this to alarm you. But it's important to know: You only get one chance to make these decisions. And some mistakes (like demolishing parts of your home without understanding current building regulations) can't be undone.
At Lumiere, we bring deep structural and design knowledge, European craftsmanship, and local regulatory expertise to every extension. That means you can:
- Maximise your existing space before extending
- Create seamless flow between old and new areas
- Preserve your home's character while adding modern comfort
- Protect valuable building footprint rights
- Ensure consistent comfort throughout your entire home
- Add space that enhances your lifestyle, not just square meters
The result? Not just an addition to your home, but a thoughtful transformation that makes the most of your existing home, your land, and local regulations, creating space that feels like it was always meant to be there. All backed by our lifetime structural guarantee.
Recent extension TRANSFORMATIONS:
From seamless additions to complete home reimagining.
Whether you're planning a modest extension or dreaming of a major transformation, it helps to see how other Sydney homeowners have expanded their living spaces. These recent projects showcase how our structural expertise and European craftsmanship ensure extensions integrate perfectly with existing homes – creating spaces that look and feel like they were always meant to be there.
Each project began with homeowners like you, who needed more room for their growing family and by combining their vision with our holistic approach, we discovered ways to maximise their existing home with added space, function, and comfort. The results speak for themselves:
See how our holistic approach transforms homes – creating bright, open living spaces that blend perfectly with existing rooms. These extensions don't just add space, they create natural gathering spots where families connect, share meals, and enjoy daily life together.
"Totally redesigned kitchen… Chantelle and her team were very patient re designing and scheduling to suit our timeframe, re-thinking requirements… At all times, responsive to our texts, emails and phone calls."
- Tibor Lendvai
Discover how we've added modern comfort while preserving period charm. Note how carefully matched details and materials create perfect harmony between old and new sections.
"Chantelle and team helped move fridges and furniture (as favours for us), went up onto roof to check tiles which was not their brief…At all times, responsive to our texts, emails and phone calls. Always helpful but always professional… both knew what they were doing on professional but also explained in layman's terms."
- Tibor Lendvai
From covered alfresco areas to full living space extensions, see how we've helped families expand their living area while maximising natural light and connecting with outdoor spaces.
For inspiration about maximising your land, these projects show how thoughtful two-story additions can dramatically increase living space while maintaining your home's street appeal and character.
"I strongly recommend using Lumiere for your home renovations. The team are attentive, reliable and highly professional. Chantelle and Michal are extremely knowledgeable and great problem-solvers. We felt like we were in safe hands throughout the project."
- Sam Cowan
These projects showcase our holistic approach – how optimising existing spaces while extending strategically delivers better results than simply adding on.
"They managed the entire renovation project and worked cohesively with various vendors… We were pleased with the overall execution of the work and for delivering on our design requirements. After moving in we identified some minor defects and Chantelle ensured it was addressed within a couple of days."
- Jenny Nair
"Highly professional, attention to details, genuine care to deliver customer satisfaction with flexibility and patience."
- Michiyo Lendvai
Three steps to getting your extension right.
Through generations of experience, we've developed an extension process that maximises your existing space, perfectly integrates new areas, and protects your valuable building footprint.
Starting with a thorough assessment of your current home and land, we'll help you explore extension possibilities you might not have considered.
Our structural expertise and knowledge of design flow and local regulations often reveals smarter ways to add space while preserving your home's character:
This complimentary consultation isn't just about gathering requirements, it's about finding the perfect way to extend your home.
"I strongly recommend using Lumiere… Chantelle and Michal are extremely knowledgeable and great problem-solvers. We felt like we were in safe hands throughout the project."
- Sam Cowan
Once your vision is clear, we handle everything, from council applications to final finishing touches. Our European-trained team ensures your existing home is protected while extension work progresses.
You'll enjoy clear communication at every stage through our WhatsApp service, ensuring you're always informed about progress.
From matching heritage details to integrating modern comfort features, we maintain uncompromising standards throughout.
"They managed the entire project and worked cohesively with various vendors… We were pleased with the overall execution of the work and for delivering on our design requirements."
- Jenny Nair
The real joy begins when you experience how perfectly your extension integrates with your existing home.
Enjoy seamless flow between old and new spaces, consistent comfort throughout thanks to European building quality, and the peace of mind that comes with our lifetime structural guarantee.
This isn't just an addition – it's a thoughtful transformation of your entire home.
"The quality of the work is exceptional, and the space has been transformed exactly as I hoped… The team was professional, kept me updated, and made sure everything was perfect."
- Erik Mai
What to look for in your extension builder and how
LUMIERE gives you more than just extra space
Building an extension is about more than just adding square meters - it’s about creating a seamless, thoughtful flow between your existing home and the new space.
In a city like Sydney, where heritage considerations, tricky site access, and evolving family needs all play a role, it helps to have a builder who understands how to balance structure, style, and local know-how.
At Lumiere, we bring together structural insight, design clarity, and deep planning experience to make sure your extension doesn’t just add on - it elevates how your entire home works for your family.
Your Extension
Questions Answered
What You Need To
Know Before You Begin
Your Extension Questions Answered:
What You Need To Know Before You Begin
Over the years, we've received and gladly answered hundreds of questions about extending Sydney homes. Here are the most common questions and answers that we hope help you. For expert advice specific to your extension, book your complimentary Extension Planning Session.
Q: How do I know if my extension plans are possible under current regulations?
A: Local building codes, heritage overlays, and setback requirements all affect what's possible. Before designing your extension, we conduct a thorough assessment of your property and current regulations. This prevents you from losing valuable building rights and ensures your extension plans will be approved.
Q: What's the biggest mistake people make when extending?
A: The biggest mistake is focusing solely on adding space without considering how to optimise existing areas first. Many homeowners build larger (and more expensive) extensions than necessary, smarter additions combined with interior reconfiguration could deliver better results for less investment.
Q: How do you ensure the extension matches our existing home?
A: We carefully document all existing architectural details (from cornices and ceiling roes to skirting boards and stain glass windows) and source materials that create seamless transitions. Our European-trained team has special expertise in matching heritage features while integrating modern comfort features.
Q: Can we live at home during the extension?
A: It depends on the project scope and your home's layout. We often create staging plans that allow families to remain in part of their home during construction. During your consultation, we'll discuss options and help you make the best decision for your family's comfort and convenience.
Q: How accurate are your timelines and budgets?
A: Our thorough pre-extension assessment and detailed planning process allow us to provide reliable timelines and budgets. While unexpected issues can arise (especially when connecting new construction to an existing home), our proactive approach means we identify potential challenges early and build contingencies into both schedule and budget.
Q: What makes your extensions more comfortable than others?
A: We use European building standards that ensure consistent comfort throughout your entire home. This means superior insulation, thermal bridging control between old and new sections, and careful attention to ventilation. The result? No temperature differences between your existing home and extension.
Q: How do you handle integration points between old and new?
A: These junction points are critical to extension success. We use specific techniques and materials to ensure structural integrity, prevent cracking, and maintain consistent comfort. Our lifetime structural warranty covers these integration points, going beyond the 6-year standard.
Q: What if we discover issues with our existing home during extension?
A: Our thorough pre-extension assessment usually identifies potential issues early. However, if we discover anything during construction, our proactive communication means you'll know immediately. We'll present solutions, explain implications, and help you make informed decisions.
Why Choosing The Right
Extension Builder Matters
A Side-By-Side Comparison
To Help You Decide
Why Choosing The Right Extension Builder Matters
(A Side-By-Side Comparison To Help You Decide)
Extending your Sydney home is one of the biggest investments you'll make – not just financially, but in your family's future. With so much at stake and only one chance to get it right, choosing the right builder is crucial.
To help you make an informed decision, here's how Lumiere compares to typical extension builders:
| Initial Assessment | Basic measurements and visual inspection | Comprehensive evaluation of existing home, land potential, and building regulations |
| Space Optimisation | Focus solely on new addition | Optimise existing space first, then extend strategically |
| Integration Approach | Treat extension as separate addition | Seamless blending of old and new, matching materials and details |
| Building Rights | Limited understanding of regulations | Expert knowledge protecting valuable building footprint |
| Design Process | Execute provided plans | Active collaboration to maximise opportunities and value |
| Comfort Engineering | Basic insulation requirements | European standards ensuring consistent comfort throughout |
| Heritage Expertise | Limited experience with period homes | Specialist knowledge in matching and preserving character |
| Project Load | Multiple extensions simultaneously | Maximum 2-3 projects at once |
| Quality Control | Rely on trades | Both owners personally verify critical elements |
| Site Protection | Basic dust sheets | Comprehensive system protecting existing home |
| Living Arrangements | Basic timing advice | Detailed staging plan to minimise disruption |
| Council Applications | Basic documentation | Expert handling of all regulatory requirements |
| Integration Points | Standard construction methods | Specialised techniques for joining old and new |
| Temperature Control | Separate systems for extension | Integrated comfort throughout entire home |
| Budget Management | Focus on extension cost only | Value engineering of entire project |
| Timeline Planning | Basic scheduling | Strategic staging with family-focused planning |
| Warranty | Standard 6-year warranty | Lifetime structural guarantee including integration points |
| Post-Completion Support | Limited to warranty period | Ongoing relationship and support |
Your Extension
question answered
What You Need To
Know Before You Begin
Your Extension Questions Answered:
What You Need To Know Before You Begin
Over the years, we've received and gladly answered hundreds of questions about extending Sydney homes. Here are the most common questions and answers that we hope help you. For expert advice specific to your extension, book your complimentary Extension Planning Session.
Q: How do I know if my extension plans are possible under current regulations?
A: Local building codes, heritage overlays, and setback requirements all affect what's possible. Before designing your extension, we conduct a thorough assessment of your property and current regulations. This prevents you from losing valuable building rights and ensures your extension plans will be approved.
Q: What's the biggest mistake people make when extending?
A: The biggest mistake is focusing solely on adding space without considering how to optimise existing areas first. Many homeowners build larger (and more expensive) extensions than necessary, smarter additions combined with interior reconfiguration could deliver better results for less investment.
Q: How do you ensure the extension matches our existing home?
A: We carefully document all existing architectural details (from cornices and ceiling roes to skirting boards and stain glass windows) and source materials that create seamless transitions. Our European-trained team has special expertise in matching heritage features while integrating modern comfort features.
Q: Can we live at home during the extension?
A: It depends on the project scope and your home's layout. We often create staging plans that allow families to remain in part of their home during construction. During your consultation, we'll discuss options and help you make the best decision for your family's comfort and convenience.
Q: How accurate are your timelines and budgets?
A: Our thorough pre-extension assessment and detailed planning process allow us to provide reliable timelines and budgets. While unexpected issues can arise (especially when connecting new construction to an existing home), our proactive approach means we identify potential challenges early and build contingencies into both schedule and budget.
Q: What makes your extensions more comfortable than others?
A: We use European building standards that ensure consistent comfort throughout your entire home. This means superior insulation, thermal bridging control between old and new sections, and careful attention to ventilation. The result? No temperature differences between your existing home and extension.
Q: How do you handle integration points between old and new?
A: These junction points are critical to extension success. We use specific techniques and materials to ensure structural integrity, prevent cracking, and maintain consistent comfort. Our lifetime structural warranty covers these integration points, going beyond the 6-year standard.
Q: What if we discover issues with our existing home during extension?
A: Our thorough pre-extension assessment usually identifies potential issues early. However, if we discover anything during construction, our proactive communication means you'll know immediately. We'll present solutions, explain implications, and help you make informed decisions.
Why Choosing The Right
Extension Builder Matters
A Side-By-Side Comparison
To Help You Decide
Why Choosing The Right Extension Builder Matters
(A Side-By-Side Comparison To Help You Decide)
Extending your Sydney home is one of the biggest investments you'll make – not just financially, but in your family's future. With so much at stake and only one chance to get it right, choosing the right builder is crucial.
To help you make an informed decision, here's how Lumiere compares to typical extension builders:
| Initial Assessment | Basic measurements and visual inspection | Comprehensive evaluation of existing home, land potential, and building regulations |
| Space Optimisation | Focus solely on new addition | Optimise existing space first, then extend strategically |
| Integration Approach | Treat extension as separate addition | Seamless blending of old and new, matching materials and details |
| Building Rights | Limited understanding of regulations | Expert knowledge protecting valuable building footprint |
| Design Process | Execute provided plans | Active collaboration to maximise opportunities and value |
| Comfort Engineering | Basic insulation requirements | European standards ensuring consistent comfort throughout |
| Heritage Expertise | Limited experience with period homes | Specialist knowledge in matching and preserving character |
| Project Load | Multiple extensions simultaneously | Maximum 2-3 projects at once |
| Quality Control | Rely on trades | Both owners personally verify critical elements |
| Site Protection | Basic dust sheets | Comprehensive system protecting existing home |
| Living Arrangements | Basic timing advice | Detailed staging plan to minimise disruption |
| Council Applications | Basic documentation | Expert handling of all regulatory requirements |
| Integration Points | Standard construction methods | Specialised techniques for joining old and new |
| Temperature Control | Separate systems for extension | Integrated comfort throughout entire home |
| Budget Management | Focus on extension cost only | Value engineering of entire project |
| Timeline Planning | Basic scheduling | Strategic staging with family-focused planning |
| Warranty | Standard 6-year warranty | Lifetime structural guarantee including integration points |
| Post-Completion Support | Limited to warranty period | Ongoing relationship and support |
Free expert advice for
your extension plans.
Extending your home is a significant decision. And while you might have ideas about the extra space you want, there's always that nagging concern: Will the extension integrate seamlessly with your existing home? Or will you discover (too late) that better options were missed or valuable building rights were lost due to unknown council regulations?
That's why we offer a complimentary extension consultation with Chantelle Boutros – a builder who grew up solving structural challenges alongside her father and sees the new design potential every home needs and now (with her husband Michal) brings European precision to Sydney home extensions.
Free Expert Advice For Your Extension Plans
Extending your home is a significant decision. And while you might have ideas about the extra space you want, there's always that nagging concern: Will the extension integrate seamlessly with your existing home? Or will you discover (too late) that better options were missed or valuable building rights were lost due to unknown council regulations?
That's why we offer a complimentary extension consultation with Chantelle Boutros – a builder who grew up solving structural challenges alongside her father and sees the new design potential every home needs and now (with her husband Michal) brings European precision to Sydney home extensions.
In Your Complimentary Extension Planning Session You'll:
- Learn how to maximise your existing space before extending, potentially reducing the size and cost of your extension
- Discover smart ways to integrate new with old, ensuring your extension feels like it was always meant to be there
- Get expert advice about local building regulations, protecting your valuable building footprint rights
- Explore opportunities for better flow, natural light, and indoor-outdoor connection
- Understand how European building standards can ensure consistent comfort throughout your entire home
- Receive practical guidance about staging, timeline, and living arrangements during construction
- Have all your extension questions answered by builders who understand both heritage preservation and modern construction
"I strongly recommend using Lumiere… Chantelle and Michal are extremely knowledgeable and great problem-solvers. We felt like we were in safe hands throughout the project." - Sam Cowan
This is a friendly conversation with our owners, not a sales presentation. Drawing on generations of building experience, Chantelle and Michal will help you avoid costly mistakes and make informed decisions about your extension. You'll leave with clarity about your options and practical next steps, whether you choose to work with Lumiere or not.
No pressure. No obligations. Just expert advice to help you get your extension right.
No pressure. No obligations. Just expert advice about creating your perfect home.