Extend and Add

With single- and double-storey home extension experience, we’ll turn your ideas into additions that add value to the home you already love. 


Our hassle-free house renovations embrace your imagination and combine it with our experience in complete or partial home redesign. 

Granny Flats

We build one to three-bedroom granny flats designed to meet your lifestyle, space and budget. 


From visualisation to realisation, our design and construction specialists envision and build your bespoke dream home from the ground up. 

Click To View All Our Awards

2021 Winner – MBA Housing Excellence Awards – Alterations and Additions $150,000 to $200,000
2020 Winner – MBA Housing Excellence Awards – Alterations and Additions $150,000 to $200,000
National Excellence in Building and construction Awards - 2018 National Finalist
2018 National Finalist – National Excellence in Building and Construction Awards
HIA Award
HIA Finalist – Alterations and Additions – $300,000 to $400,000

Home Renovations Perth

Where ambitious, value-adding ideas turn to award-winning homes

Sertorio Homes are the luxury new build and home renovations experts in Perth, WA, who instill family values into every home. With over four decades of experience and three generations of builders, we build custom homes, craft bespoke extensions and renovate-to-regenerate existing properties.

We understand that building can be a daunting experience. That’s why our dedicated team of home renovation and building professionals combine their wisdom with the latest technology to ensure your new home or additions become a reality (without any nasty surprises or hidden costs). With us, you know what you’re getting up-front and can rest assured you’re in the hands of the masters.

No matter how big or small, our home renovation, extension and building services deliver the best results every time. With a portfolio of award-winning work, expect the building precision, excellence and passion to achieve your property dreams.

An Award-Winning New Build &
Home Renovations Company

Build, Design, Extend, Renovate

From building your custom home or adding an extra bedroom to a major two-storey home extension, our experienced design team will create a stunning, modern aesthetic that makes the most of your space. Our master-builders then take these ambitious ideas and deliver on our promise of making your dream home, extension or renovation a reality.


See Your Dream Before It’s Made Reality

Our award-winning work begins with a full 3D-render of your design, allowing you to see your dream before it’s made real. Our portfolio of completed projects stands testament to the fact that we deliver on our promise, time and time again.


Perth’s Premier Home Builders & Renovators

Sertorio Homes is a family-owned custom home renovations company backed by 40 years of experience. We’ve built a trusted team of supervisors (all registered builders themselves) and a network of tradesmen who’ve been with us for the past 28 years. Working together, we’ve become one of the industry’s most-awarded home renovations contractors for our workmanship, innovation and professionalism.


We Build Granny Flats

Building a granny flat in Perth can be more affordable than selling or buying a bigger home. Whether you need extra room for your growing family, a studio space or have an ageing loved one joining your home, a granny flat creates room while maintaining independence and privacy from the main house. Rest assured; we’ll create a customised solution to perfectly suit your needs.

Backed by a wealth of experience, a trusted network and access to the latest technology and modern designs, Sertorio Homes encapsulates excellence to exceed your expectations. Call Sertorio Homes today on 9244 1993.

Granny Flats

What our clients say about us

Told Bruce of our needs and he took those into consideration and the end result was much better than expected.

Mr and Mrs Chidgzey of Bateman

The success of this project, and the joy and satisfaction of the whole experience, have been beyond our wildest dreams, as is the quality of the work.

Carolyn of Nedlands

I am very happy with the quality and price. I love my new functional design. My quality of life has improved due to the renovation.

Donna of Coolbellup

Whole process was very smooth with no delays. Fantastic tradesmen – brilliant job! Great staff!

Barbara of Carine

My vision is now my reality.

Kay of Girrawheen

3D design presentation was very helpful for visualizing proposed design.

Scott of Inglewood

We were well informed by our Site Manager all the time.

Jan of Greenwood

Top standard. Site Manager very helpful and respondent.

Andy of Quinn Rocks

Told Bruce of our needs and he took those into consideration and the end result was much better than expected.

Debra of Kingsley

Sertorio Homes helped us transform an extension into an exceptional renovation.

Judith of Willetton

I found Sertorio Homes as a very professional company and would recommend them to anyone I may know considering doing a home extension. Thank you.

David of Atwell

Good quality of work.

Monica of Padbury

Sertorio Homes staff were exceptional

Sid of Hillarys

We found the design team’s suggestions and advice most helpful.

Tom of Heathridge

Rapid completion. Looks great, what we envisioned.

Leesa of Kingsley

The sales consultant listened to our ideas and provided back a set of plans almost identical to what we had told him.

Tony of Joondalup

We are extremely pleased with the extension to our house. Many friends and family have commented on how wonderful it looks and how well it matches the original building.

Shaun of Attadale

Workmen were cheerful & polite. Good quality of work.

Naomi of Kingsley

Looking for inspiration?

Dive into our lookbook for some innovative home renovation ideas.

Latest News

  • Trigg
    Second storey
  • Swanbourne
    Second storey extension maintaining character
  • Beldon
    This home that was built in the late 80s has been fast-tracked to 2021.
  • Padbury
    Indoor alfresco and living area overlooking the pool area.

Renovate or move?

Wondering which option leaves you with the dream home that suits your lifestyle? Take the quiz that helps you weigh up your options between house renovations or building new based on your needs.

Return to Top