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Business Details
Your Trusted Partner for Home Building Solutions in Sydney
Established with a commitment to quality and integrity, J.A.K Building Services has been delivering exceptional residential building solutions in the Sutherland Shire and St George area for over two decades. Our team of qualified trades and suppliers prioritises precision, reliability, and open communication to ensure every project meets the highest standards. With a focus on extensions, renovations, and new builds, we combine technical expertise with a personal touch, guided by Christian values and a strong work ethic.

We pride ourselves on transforming homes into spaces that reflect the unique needs of families, offering tailored solutions from concept to completion. Our reputation for excellence is built on a track record of satisfied clients and a dedication to resolving challenges with innovative, client-centric approaches.
Services
Extensions Renovations New Homes
Highlights and features
  • We offer over 20 years of experience in residential construction and renovations.
  • Our team consists of qualified, reliable tradespeople committed to high standards.
  • We prioritise open two-way communication throughout every project phase.
  • Christian values underpin our ethical approach and client-focused service.
  • We deliver innovative solutions to complex building challenges with precision.
Associations and certifications
  • Master Builders Association
What people say
Outstanding craftsmanship Highly recommend Excellent builder Quality work Trustworthy
Services
Extensions
Seamlessly expand your living space with custom extensions that blend with your existing structure. Our team ensures precise integration, quality finishes, and minimal disruption to your household, creating functional areas tailored to your family's needs.
Renovations
Transform outdated spaces into modern, functional areas with expert renovations. We address structural challenges and enhance aesthetics while maintaining your home's integrity, using premium materials and innovative design solutions for lasting results.
New Homes
Build your dream home from the ground up with bespoke designs and meticulous craftsmanship. We guide you through every stage, ensuring energy efficiency, compliance, and personalisation to create a space that reflects your lifestyle and aspirations.
People
Jamie Kuschert
Owner & Director
With over 20 years in residential construction, Jamie combines technical expertise with a client-focused approach. A dedicated family man, he ensures every project reflects the unique needs of homeowners while upholding ethical standards and quality craftsmanship.
Questions
What areas do you service?
We operate primarily in Sydney's Sutherland Shire and St George regions, delivering building solutions tailored to local requirements.
How do you handle unexpected project challenges?
Our team proactively addresses issues like termite damage or weather impacts with transparent communication and practical solutions to maintain timelines and quality.
Can you work with existing architectural plans?
Yes, we collaborate with architects and homeowners to bring existing designs to life while offering expert input for optimal functionality and cost efficiency.
What sets you apart from other builders?
Our combination of 20+ years' experience, ethical practices, and commitment to open communication ensures projects meet exacting standards without compromising client needs.
Videos
Reviews (6)
Phillip Crehan
Apr 25, 2020 Report
Over the last 15 odd years iv installed metal roofing for Jamie on the majority of his projects . I get to see builders of all types .. the good ... the bad ...and the ugly . Every time I work for Jamie I only see quality work and a team thats always doing the wright thing for there client . I would highly recommend JAK Building to anyone who is after the services of an honest , quality builder that doesn't take short cuts !
Bree Young
Apr 22, 2020 Report
Jaime was friendly, hardworking, delivered the final product on time and cleaned up everyday!!! Best builder we have had!!
Aaron Hunter
Apr 21, 2020 Report
I highly recommend Jamie. His work is exceptionally high quality and is always thinking about the big picture. Jamie’s attitude towards his work has been always what is best for the project, the clients and is mindful of how much the work costs. His value shows in his experience and knowledge, and the exceptional tradesmen he uses.
Michelle McAndrews
Apr 21, 2020 Report
Jamie is a excellent builder who remains professional and very helpful. We have found him to be honest and great communicator. I trust his work and is a hard worker who is committed getting the job done with efficiency. I would highly recommend this team!
Tim Moore
Apr 21, 2020 Report
Jamie and his team renovated our house nearly ten years ago and it still looks fresh and contemporary today. His team are reliable, honest, highly skilled and just good fun to interact with each day. Jamie has clever building solutions to complex design problems. He listened carefully to our architect’s ideas and made them a reality. Our… project was within budget and ahead of time because he and his team show up early every day to get the job done. We would (and do regularly) recommend JAK to anyone with a build project, large or small. Tim and Toni.
Susanna Hardy
Apr 20, 2020 Report
Jamie renovate our terrace in Summer Hill after a tree fell on it and damaged it. He did an amazing job. The finishes were beautiful. Jamie is very trustworthy and his work was outstanding. I would recommend him to anyone looking for an experienced and quality builder. This link is to the finished job. Thanks Jamie it is incredible.