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. 

Multi-Award Winning Home Builder Perth

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

See our Awards

Pool area of a luxury custom home renovation in Perth

Home Renovations Perth

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

Sertorio Homes are the luxury builder and home renovations experts in Perth, WA, who instil 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 a master luxury home builder in Perth.

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.

Award-winning Luxury Builder and
Home Renovations Company Perth

A kitchen area within a lovely character home nested in Mount Hawthorn, Perth which has received a custom renovation

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. As a luxury home builder, we then take these ambitious ideas and deliver on our promise of making your dream home, extension or renovation in Perth a reality.

A bathroom which has received a custom renovation in Dalkeith. Perth

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.

A house in Menora, Perth with a luxury custom renovation of the dining and alfresco area

Luxury Home Builder and Renovator Perth

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 luxury builder and home renovations contractors in Perth for our workmanship, innovation and professionalism.

Custom granny flat extension in Kardinya, Perth utilising our Gaudi floor plan

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. Contact Sertorio Homes today on 9244 1993.

Granny Flats

Looking for inspiration?

Dive into our lookbook for some innovative home renovation ideas.

Latest News

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