First Floor Additions &
Extensions in Sydney
When Should You Consider a Floor Additions & Extensions?
Cost-Effective Solution
Extending upwards, with a first-floor addition, can be a more economical way of creating additional space to your existing structure. The new extension makes use of the footprint of your existing house, avoiding access site costs associated with ground-floor extensions.
Increased Property Value
Placing a second storey on your existing house adds enormous value to your property, part icularly in a high-demand Sydney suburb. More rooms, more contemporary layouts, and additional living space make your home more attractive to potential buyers.
Customization to Fit Your Needs
Adding a new floor creates the potential to create new environments that fit your lifestyle. If the goal is to create new bedrooms, bathrooms, increased privacy via parents’ retreat, or even a powder room, every concept plan can be adjusted accordingly.
Less Disruption, More Convenience
First-floor additions are typically less intrusive to your daily lives than ground-floor extensions. Generally, you can continue living in your existing house during the renovation, reducing temporary relocations and added budget.
More Space Without the Move
First-floor additions open up the space you need without forcing you to move. Whether it’s to accommodate a new growing family or create a dedicated home office, building storey addition ensures you can get more space from your existing dwelling.

Contact our friendly team today to book your space renovations, you can trust our team to create the space of your dreams!
Our Step-by-Step Process for First Floor Additions
Initial Consultation
Initial consultation begins with understanding your needs — how much extra space you require, structural considerations of older houses, and budget. This involves a thorough conversation about your existing house and compliance with the development application standards.
Design and Planning
We handle architectural drawings, structural designs, and any required council approvals. We pay attention to space efficiency, design cohesion, and your vision, making sure that your home renovation ties together with the rest of your home.
Construction Phase
From demolition to framework and finishing, our licensed builders take care of all stages involved in the construction process. This allows for close monitoring of safety, quality, and timelines to make sure the build is clean and compliant and avoids cutting corners.
Final Inspection and Handover
After construction is complete, we do a final walkthrough, ensuring everything is up to our standards. Finally, we hand over your freshly completed dream home, ready for you to settle in and enjoy.
Why Choose Us for First Floor Additions & Extensions?
Quality Guaranteed Work
We focus on providing quality construction with industry warranties. The materials, finishes, and structural integrity in our construction services are of high standard. Your home addition is meticulously handled by our fully insured experts.
10+ Years of Experience
Having spent more than 10 years performing home additions in various locations throughout Sydney, our staff is well aware of the unique obstacles presented by existing residential buildings.
Stress-Free Experience
We know that building work is stressful, that's why we take care of everything such as careful planning, design and approvals, construction, and finishing. We also offer free advice and guide you in the right direction of the project.
Quality Workmanship
We are known for our reliable craftsmanship. From framing to floorboards, everything is handled with precision by our professionals. We construct trust by carefully planning a new first floor that is durable, functional, and well-made.
What Our Client Say About Us
EXCELLENT Based on 249 reviews Ecurb N2025-02-28Trustindex verifies that the original source of the review is Google. Professional effective efficient well recommend Maruf2025-02-24Trustindex verifies that the original source of the review is Google. It was a great and through service Micol Carmignani2025-02-24Trustindex verifies that the original source of the review is Google. Really great!! Staff were super friendly and the wasps at my window sill have successfully been removed!!! :)) Fabrizio Gottardo2025-02-17Trustindex verifies that the original source of the review is Google. Great service on time and received a any treatment and the boys where great Amazing pest control service thanks Mac and Jeff Katherine C.2025-02-17Trustindex verifies that the original source of the review is Google. Iconic Pest Solutions provided exceptional service in eliminating German cockroaches from my kitchen. They stood by their promise, returning for a second treatment at no extra cost to ensure the problem was fully resolved. Highly professional, reliable, and committed to customer satisfaction! natashya sherchan2025-02-12Trustindex verifies that the original source of the review is Google. Adam did a good job. Amazing customer service. Denzel Ndhlovu2025-02-10Trustindex verifies that the original source of the review is Google. Adam was great! He did a good job and had a very good attention to detail. He made sure everything was done to a high standard. Highly recommend! Aesun Jeon2025-02-06Trustindex verifies that the original source of the review is Google. Adam was friendly, and very helpful throughout the process. He explained everything clearly and made sure we felt comfortable and informed. Great service! Zabi Saedi2025-02-05Trustindex verifies that the original source of the review is Google. Adam did in an amazing job with my pest control needs. Providing friendly communication and overall quality service.
Other Services We Offer
Frequently Asked Questions
At Platform 88, we help you create the perfect design for your forever home. Contact us today to start your building journey with the right builder!
It typically ranges from $180,000 to $350,000, depending on the size, materials, and complexity. We provide a detailed quote after assessing your site, requirements, development approval, and local council regulations to ensure full cost transparency. Moreover, we also provide quotes for ground-floor extension options.
First floor extension is often more cost-effective in space-limited suburbs, while ground floor extensions may suit larger blocks. Costs vary depending on structural needs. We assess both options and recommend what best suits your property and budget.
Yes, if you have land space and want easier access. It’s ideal for adding living areas or guest rooms. However, in space-restricted areas, a second storey addition offers better value without losing your backyard.
Yes, you’ll need council approval for a second-storey extension. In every building project handle the design, documentation, and submission process to ensure everything meets local building codes and planning requirements from start to finish.
The full project duration of your second-storey extension usually takes 4 to 6 months, including planning, approvals, and construction. We work to a set limited time and keep you informed throughout to ensure minimal disruption during your home extensions.
Yes, we offer complete design support for home extensions. Our team works with you to create a functional layout of floor additions which meets building codes, and integrates well with your existing home.