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Second Storey Additions

Whether you wish to take advantage of potential views or you have simply run out of space at ground level, Addstyle can design and build a second storey addition that not only provides space but also adds value and street-appeal to your home.

Addstyle is proudly Perth’s most awarded second storey addition builder. We credit our success to the attention to detail put into every design concept, and the careful craftsmanship that goes into every build.

Our mission is to create seamless second storey additions…that don’t look like second storey additions. Well considered design and quality craftsmanship ensure that an Addstyle second storey addition, looks like it’s always been there.

Addstyle Master Builders will bring your second storey vision to life, and in most cases all work can be undertaken while you continue to live comfortably in the home.

Why Add A Second Storey in Perth?

There are many reasons Perth homeowners choose a second storey addition instead of extending or moving house:

  • Growing their family in a neighbourhood they love
  • Capitalising on water, sunset, or tree-top views
  • Providing separate living spaces for teenagers or extended family
  • Creating a private parent’s retreat
  • Increasing property value with an improved street appeal
  • Renovating on a narrow lot
  • Adding more space to a character home
  • Adding space without losing the backyard

Our team of renovation-specialist, multi-awarded designers, including an in-house architect, work with a client’s brief and budget to create a bespoke design to suit their needs and blend seamlessly into the existing home. Addstyle then uses 3D visualisation technology to allow homeowners to walk through their project and get a clearer sense of space and layout.

Where seamless integration and balance of scale is paramount to our design principles, precision and quality craftsmanship is integral to our construction process. It is for this reason that Addstyle preferences traditional building techniques rather than pre-fabricated drop-ins, to ensure that quality and finish are uncompromised.

To this end, Addstyle also offers all second storey addition clients the option to use a state-of-the-art aerated concrete floor-base in lieu of the compressed timber sheeting used by most other builders in the market. This revolutionary product has superior acoustic and thermal properties including the elimination of the drummy sound underfoot that is experienced with a timber floor base. Furthermore, Addstyle is one of the few second storey additions builders in Perth to offer the option of a brick exterior finish.

Excellence In Customer Service

At Addstyle we always maintain a low ‘client to project-supervisor ratio’ and cap the number of home renovation projects we undertake each year. This ensures every client receives personalised service and the highest quality renovations in Perth.

Our experienced team includes an in-house architect as well as an in-house interior designer to ensure design is expertly considered from start to finish. Our building professionals and tradespeople are genuine renovation specialists, including experience in Perth character and heritage home extensions.

Addstyle have been elevating homes and lifestyles with Perth’s best second storey additions since 1988. In that time we have collected more than 220 industry awards for excellence in design, construction and customer service – far surpassing any other building or renovation company in Perth – thanks to our commitment to ‘quality without compromise’.

Browse our project gallery and testimonials to see the dream home renovations Addstyle have completed for happy clients.

Elevate Your Lifestyle with Addstyle

Perth’s best second storey extensions will do more than add value to your home; it will give your family room to grow without needing to move house.

Ready to discuss your second storey addition costs and design, or just have questions about renovating? Call our team on (08) 9345 2333 or use the contact form on the right to schedule a complimentary consultation with our design team.

Enquire for your complimentary consultation

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Tristan Harmer

I was introduced to Addstyle through one of their young architects who bought a guitar from me! I was considering building a small home studio on a spare bit of land I had behind my garage. He recommended Addstyle for the sort of project that i envisaged. The decision was sound. Between Joe, the architect, and myself we concocted the best way to use the available space. The construction team headed by Simon Hill and John Peacock proved to be very helpful and flexible. The workmanship was excellent and the contractors considerate and friendly. The project was completed on time and the site was left tidy. Some areas of the contract were ambiguous, however Addstyle did everything in their power to make me happy with the finished result. The whole team is very professional , including the Dee and the rest of the office staff. Special thanks go to Simon for being always available and personally taking care of any misunderstandings. Good company!!

Teena Dyer

A pleasure to deal with from the very beginning in getting quotes to the final handover and follow up. Great team of Tradies who were always polite and friendly and fantastic guidance and advice from Dee in the office. Would not hesitate to recommend Adstyle!

Gianni, Perth

Absolutely cannot fault this company. From start, with never ending questions to the end this company goes above and beyond what you would expect. Cannot fault in any way.

Lara Skinner

Addstyle did our kitchen renovation earlier this year in our Claremont house! I was blown away with the service from their tradies and the site supervisor. Addstyle understood from the very beginning the image we wanted to create and it was so well delivered. The workmanship was second to none. I highly recommend such a professional company to anyone that is a little hesitant of renovating. Lara and Russell Skinner

Kate Ranson

Best Reno team in Perth! They converted my single garage into an amazing laundry/scullery and the end result is fantastic. The service was next to none from the initial design stage, through the building and construction stage and to handover. All the staff and tradesmen we're exceptionally helpful and went over and above to make this process smooth and efficient. Thankyou for such a great service and probably the best laundry in Perth.

Ted Currie

Extremely happy with the new look. Overall, an enjoyable experience, especially considering the challenges we gave the Construction Team. A pleasure to meet these friendly, flexible & efficient individuals.

Wayne Dwyer

The team at Addstyle were amazing. Very professional with great advice on what options were available to us throughout our renovation.

Fiona Harvey

Addstyle was the last on my list as I searched and got several quotes from other builders to carry out an extension to our very old and treasured home. I walked the streets of Menora and having seen their work I thought they would be far from my budget. After my first consult with Simon I was sold! The experience with Addstyle has been a very positive and the final finish product has surpassed all our expectations. The build has not interfered with our life and we have found ALL Addstyle staff have gone far beyond to create such beautiful extension. Rede has been a huge support to me and his knowledge and expertise has made my life easier. Nothing has been too much for him to do. I would also like to mention Dee and thank her for all her help to get this project on its way. From my initial meeting with Simon Pullen to my daily contact with Rede I hold Addstyle in the highest regard as a builder, workmanship, contractors etc will recommend them to anyone. The feedback from family, friends and strangers to the finished renovation make me very glad I chose Addstyle and I will continue to use them to complete my home.


We are so glad to have chosen Addstyle to design and build our carport and workshop, to our federation style property. From the start, the advice and support has been superb, making the the whole process easy and uncomplicated. The build quality and attention to detail is outstanding, and we are extremely delighted with the result. All stages of the development and build were wonderfully managed. We'd especially like to thank Liam, our site manager, for his exceptional help and support in making this an even more streamlined and easy process. We felt that Liam went above and beyond to assist with our queries, giving us sound advice and guidance as well as liaising with other trades on our behalf. We consider Liam to be an asset to the Addstyle team. We highly recommend Addstyle, for their professionalism, vision and expertise.