You've lived in your house for a while, but now it feels too small and outdated. If moving isn’t an option, home extension builders can help you create the extra space you need with a well-designed extension.
If you are searching for 'house extension specialist near me' in Auckland, our team of skilled professionals at Advantage Projects is here to help. We create beautiful and functional extensions for your living space.
What We Offer:
We design and build all kinds of home extensions to match what you need. We can help you make your living area better in the following ways:

Single & Double-Storey Extensions
Our team knows how to build practical spaces that fit right in with the rest of your home—whether you're adding a room to the side or building upwards.

Kitchen & Living Space Expansions
We’ll help turn your home into a warm, open space where everyone feels welcome. Whether it’s a modern layout or more natural light, we’ll create a place you’ll truly love.

Rear & Side Extensions
Maximise your home’s space with a rear or side extension—ideal for adding a bedroom, creating a home office, or expanding your living area.

Garage Conversions & Granny Flats
Convert empty space into a useful asset. Our team can turn garages into comfortable flats for multigenerational living or modern offices.
With years of expertise in Auckland's unique building regulations, we ensures excellent craftsmanship on every project.
Why Choose Us as Your Home Extension Builders in Auckland?
We are home extension builders who know how to make new spaces blend naturally with your existing home. Here’s why Auckland homeowners trust us to add more space.
Increase Space
One of the most obvious reasons for planning a house addition is to create additional living area. Whether your family is growing, you need a home office, or you want more room for leisure activities, a well-designed extension can provide the extra space you need. Our home extension builders can accomplish this without the hassle of moving.
Licensed Building Practitioners (LBPs)
We’re licensed building practitioners, so all our work meets New Zealand’s strict building standards. You can count on us to prioritise safety and quality in every part of your project.
Enhance Functionality
A house extension allows you to tailor your living space to your specific needs. Whether you want a bigger kitchen, extra bedrooms, a home gym, or a dedicated entertainment area, our well-planned extensions can greatly enhance your home's functionality.
Avoid the Cost and Stress of Moving
Moving to a larger home can be a costly and stressful process. By extending your house, you can stay in your current home, maintain your community connections, and avoid the expenses and uncertainties associated with relocating.
Home Extensions Increase Property Value
Our well-executed property extensions can add value to older homes. It not only enhances the overall appeal of your home but also increases its market value.
Using high-quality materials and design can further boost its value. This ensures your property is both attractive and durable. An excellent investment, especially if you ever sell your property.
Personalised Design
Unlike moving to a new house, extending your home offer you the opportunity to remain in a location you love. You can then customise your living space to suit your preferences. Designing the extension according to your lifestyle, ensuring it meets your unique needs and aesthetic preferences.
Cost-Effective Solution
In many cases, extending your home can be more cost-effective than moving to a larger property. The expenses associated with selling, buying, and moving can quickly add up. A house extension specialist can help oversee the process smoothly, making an extension a more budget-friendly option.
Quick Return on Investment
A well-executed home extension by our builders can provide a quick return on investment by increasing your property’s value. This makes it a financially savvy decision for homeowners looking to invest strategically in their homes.
Avoid Permission Issues
Sometimes, extending your existing home might be easier than obtaining planning permission for a new build. Our experienced home extension builders can help you avoid the challenges of getting planning permission for a new build, as extensions usually have fewer restrictions.

How It Works: Our Step-by-Step Process
When you decide to work with us, constructing your ideal home extension will be simple and hassle-free. This is how we work with you from start to finish.
1. Free Consultation
Tell us what you have in mind. Our friendly team visit your home, takes a look at the space, and chat about what you need for the extension. Once we understand your goals, we’ll suggest the best options and next steps.
2. Custom Design & Quote
We develop designs that fit your lifestyle needs and provide a detailed, transparent price that covers labour, materials, and timelines.
3. Council Approvals
Dealing with council permits can be challenging, but we handle it for you and make sure everything meet the legal requirements.
4. Home Extension Builders Begin Construction
Our qualified home extension builders start the job as soon as it is approved. We keep lines of communication open at all times so you’ll aware of the project's development.
5. Final Walkthrough & Handover
Once the work is done, we’ll walk you through the space to ensure everything meets your expectations. We’re only satisfied when you are.
Frequently Asked Questions
Depending on its size, the materials used, and other factors, an extension may cost differently. On average, a single-storey extension starts at around $2,400 per square metre. Please get in touch with us for a quote that suits your needs.
The complexity of the project determines the timeline. From concept to completion, most extensions take three to six months.
Yes! We make sure your new spaces blend in perfectly with the current design and architecture of your house.
Absolutely. We take care of everything—from early design ideas to getting council approval—so your project can get started smoothly.
Yes, building consent is required for most extensions or renovations. We'll handle this for you to make the process more easier for you, so don't worry.
Generally, yes. We aim to work quickly and keep disruptions to a minimum, but we’ll go over the details of your project to make sure you’re comfortable.
Got more questions? Contact our friendly team, and we'll be pleased to assist you!
What Our Clients Say About Their House Extensions
"We had Chad and his brilliant team work for us for 13 months doing a complex house move and a large 450sqm renovation with a 100sqm extension on a high end house in Titirangi. His work is incredible they took alot of pride in this job especially when it came to the finishing where we had a very high quality control plan. Chad meet every expectation we had and he handled the job from start to finish so professionally. I highly recommend this company to do renovations and extensions they nail it…"
Piet
"I can not thank the Team at Advantage Projects enough for all of their hard work! Chad, Josh and Dylan have done an outstanding job and I could not be more pleased with our home renovations! It was a huge project that included a full internal renovation of the house and a large deck, I had a small time frame yet nothing was too much for this team. The workmanship of the job was to a very high standard and everything they said they would do they did and their quote was spot on even though extra work popped up as the job unfolded."
Jennifer Birch
"Chad and his team have just completed a minor house attached to our house and have done a fabulous job, the work is to very high standard, Chad come under completion time and stayed within the budget. We had a couple of minor issues with the building plans but Chad found a great solution each time. I am more than happy to provide references and for anyone to view. Many thanks Chad this is going to change our lives."
Linda
"Returning to Chad for about the forth time now to work on a major alteration and addition. I just cannot speak highly enough about Chad and team. We appreciate the effort that Chad goes to in order to deliver an excellent job. He has a great eye for detail, communicates any concerns quickly, and keeps his team on task. Out 'go to' Builder in Auckland for sure. "
Carolyn
"Chad was very prompt in arranging a quote and gave a detailed account of what would be needed for the job. Rob was very diligent in getting the work done and came up with a solution on a tricky problem. Great people to work with."
Megan
"Chad is not only highly compitent at his job but also an excellent communicator.The job was problematic but Chad made it seem easy. He was very professional and cannot be faulted."
Michelle
Ready to Transform Your Home?
Take the first step towards enhancing your living space with Advantage Projects. Schedule a free consultation with our expert home extension builders to discuss your ideas and get personalised advice.
At Advantage Projects, we don't just build extensions; we create spaces that inspire and elevate your daily living. Your dream home is just an extension away! Contact us today, and let's turn your vision into reality.