Our People

Meet the team of south west locals that will make your new home dreams a reality.
{South West} - {New Homes} - {Granny Flats} - {Developments} -

Our People

Who we are

Trusted by Western Australians for over 40 years, we consider it an honour and a privilege to be part of your building journey.

And with an award winning team of new home consultants, supervisors, management and administration staff, all offering unique and diverse experience, you can be assured you’re in safe hands when you build with Summit South West.

Meet the new homes consultants below and get in touch today.

Karen King

Sales Consultant

Karen has worked passionately in the building industry for over 30 years across rural and metro areas. Her varied roles include land and new home sales, custom design, unit developments, pre-start, construction liaison and management.

Karen brings a wealth of industry knowledge and experience to the team. She thrives on helping people, drawing on her diverse skill set to create functional and stylish home design solutions.

With her amiable demeanour and openness, Karen quickly builds rapport with her clients to achieve a positive home building experience.

Karen invites you to share in her industry knowledge and develop the perfect new home and lifestyle for you and your family.

Get in touch with Karen

Sarah Lloyd

Sales Consultant

Sarah is a multi-award winning sales consultant with over seven years’ industry experience entirely locally. Beginning in client liaison roles, she progressed quickly to sales consultant where her passion, expertise and professionalism became renowned.

Sarah’s transparency, flexibility and collaborative approach make her an asset to her clients.

Sarah has helped over 100 families and first home buyers into new homes of their own and has been passionately involved with every build, from start to finish and beyond.

With her years of experience, Sarah can help create your dream home without the stress, ensuring you truly enjoy your new home journey.

Get in touch with Sarah

Dean MacGregor

Sales Consultant

With qualifications in engineering and a background in project management, Dean brings over seven years’ experience in residential construction to the team.

His methodical approach to design and his client-centric nature makes Dean the perfect building partner for any client. Empathetic and driven to provide exceptional service, he takes even the trickiest builds calmly in his stride.

Over the years, he has assisted hundreds of clients into realising their new home dreams – from first home builders to downsizers and everything in between.

With his knowledge, Dean will expertly and collaboratively transform your house brief into an inspired new home.

Get in touch with Dean

Bill Shales

Sales Consultant

Bill’s impressive 14 year tenure at Summit is a testament to his passion for helping clients achieve their dream home.

Bill is a first home buyer’s best friend. His friendly demeanor combined with his design expertise make him the perfect ally when navigating the world of first home building.

He has seen it all and his impressive knowledge and positive approach means there are no problems that cannot be solved!

With a keen eye for detail and practical yet stylish design solutions, Bill is determined to make your new home building experience a rewarding one, with a laugh or five for good measure.

Get in touch with Bill

Scott Rudd

Sales Consultant

Bringing a wealth of diverse experience to the Summit team, Scott spent the last two years as Assistant Store Manager at Repco Margaret River. With an 11-year history at SERCO Immigration, Scott led the International Escort Team and managed an Alternative Place of Detention site, gaining a global perspective.

Before this, Scott dedicated a decade to Rudd Industrial & Farm Supplies, handling everything from sales to distribution in the family business. His academic background includes studying Construction Management and Economics at Curtin University.

Scott has also contributed to the building industry as a casual worker for a Margaret River builder. What fuels his passion is helping people achieve their dream of home ownership, guiding them through the process with expertise and dedication.

Beyond work, Scott is a sports enthusiast, favouring golf for its forgiving nature. Scott’s also an avid reader and music lover and enjoys mountain biking and hiking. Scott says, “Summit’s positive atmosphere and strong management direction align with my values, and I’m excited to contribute to the team’s success in helping clients build their dream homes.”

Darren Castelli

Sales Consultant

Darren’s journey in the building industry began in 1999 when he joined a project builder in Perth as a Scheduler, shortly after completing his Diploma of Building. Over the years, he progressed to roles such as Sales Estimator and later expanded his horizons with a Sydney-based position at Mirvac.

Now, with two young children adding joy to his life, Darren has returned to the realm of New Homes Sales, first in Perth and later in the South West with Summit Homes. With 24+ years of extensive experience spanning from sales, to construction, and property development, Darren is dedicated to leveraging his expertise to help clients achieve their vision for their next project. Whether you’re embarking on a new build or seeking guidance in the property market, Darren is here to support you every step of the way.

Get in touch with Darren

Justin Trewren

Regional Manager

Justin Trewren is a Regional Manager for Summit South West who grew up in Busselton. Justin obtained a diploma in drafting, building, and construction, which has helped him develop a comprehensive understanding of the field.

Throughout his 27 years’ in the industry, Justin has witnessed numerous changes in building. This exposure has instilled in him a deep passion for ensuring that every client has an enjoyable and stress-free experience.

In addition to his professional endeavours, Justin is a dedicated family man with three children. During his spare time, he enjoys playing cricket and embarking on various travel adventures. Whether it’s exploring different parts of Australia or venturing abroad, Justin finds joy in discovering new places.

Justin’s empathetic nature and warm personality make him an excellent fit for the team. With his extensive experience and dedication to customer satisfaction, Justin strives to make a positive impact.

Award Winning Team

We are immensely proud to have been honoured with the Housing Industry Association (HIA) Professional Major Builder award for the second year in a row. This award is in addition to receiving the Lyn Bennett Memorial Project Builder of the Year from Master Builders (MBA).

WINNER | 2022 HIA Professional Major Builder
WINNER | 2022 MBA Project Builder of the Year
WINNER | 2021 HIA Professional Major Builder
WINNER | 2021 MBA Project Builder of the Year
WINNER | 2020 HIA Professional Major Builder

These prestigious awards are a testament to our team’s unwavering talent and commitment to building WA’s best place to live.

What it means for our clients is they can feel assured they are in safe hands with Summit.

Builders as local as you are.

At Summit South West, we’re built around people, which means our clients, team and suppliers are at the core everything we do. We consider it a privilege to be part of your building journey, and so we want to document our partnership together.

Client stories


Rob & Danielle

Please tell us about your home design and why you chose it. We were considering multiple different designs with two...

Rob & Danielle's story


Dianne & Michael

Geographe locals, Michael and Dianne, welcomed us recently into their beautiful Summit home. With an impressive 8 month build time and being their second time building, they shared advice and took us through their journey – from land purchase to design and build.

Dianne & Michael's story

Request an appointment

Speak to someone about your plans. Whether you’re considering building, renovating or developing our experts can guide or answer any questions you might have.

08 9722 0341

Busselton Showroom

67-77 Queen Street, Busselton WA 6280
Monday – Friday: 8:30am – 5pm
Saturday: Open by appointment
Sunday: Closed

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