10+
Years of Combined Experience
200+
Projects Completed
Fully Licensed & Insured
Eco Friendly
Deadline Focused
Sydney's Leading Demolition, De-Fits & Strip-Out Company
Whether you're making way for a fresh fit-out or returning a tenancy to base build, GSK delivers safe, efficient, and fully compliant demolition, strip-out and de-fits services across Sydney.
- Over 10 Years of Industry Experience
- Fast & Efficient Demolition Services
- Careful Execution to Prevent Unwanted Damage
- Friendly, Fully Licensed & Insured Team
From internal wall removal and flooring uplift to full de-fits of retail, office, and hospitality spaces — we handle every stage with precision, care, and minimal disruption.
Call us today to get a FREE quote!
0434 126 004
Excellent ★★★★★
5 Stars Based on 34 reviews
Our Satisfied Clients
About Us
Sydney's Leading Commercial Demolition, De-fit & Cleaning Specialists
At GSK Building Solutions, we provide expert demolition, de-fit, and commercial cleaning services, delivering efficient and safe results for Sydney businesses.
With years of industry experience, we're trusted by property owners, developers, and construction managers across Sydney.
Our licensed professionals complete each project to the highest standards, ensuring precision and care in every job, from demolition to detailed cleaning. We're dedicated to exceeding client expectations and delivering results on time and within budget.
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Our Services
We offer a comprehensive range of services tailored to meet the unique needs of our clients.
Why Choose Us?
Expertise and Experience
With over a decade of experience in the commercial and construction industry, GSK has developed a reputation for excellence.
Innovative and Sustainable
We utilise the latest demolition and cleaning tools to provide modern and efficient solutions.
Client-Centric
Our transparent communication and personalised service ensure that we build strong, lasting relationships.
Fully Insured & Licensed Staff
Available 7 Days A Week!
HOW IT WORKS
01.
Initial Consultation
Understand Your Demolition Needs, Assess the Project and Discuss a Tailored Strategy.
02.
Detailed Quotation
Based on the Strategy, We Provide a Comprehensive Quote After a Detailed Inspection of the Premises.
03.
Permitting & Utility
Disconnection
Leave the Paperwork to Us! We Get the Permits, Safely Disconnect Utilities and Ensure Everything's Up to Code. You Can Relax While We Handle the Admin Stuff.
04.
Asbestos Removal & House Demolition
We'll Safely Get Rid of Any Asbestos or Hazardous Materials and Handle the Demolition with Our Skilled Team, Always Keeping Safety and Efficiency in Mind.
05.
Rubbish Removal & Site Clean-up With Demolition Clearance
We Manage the Debris, Separate Recyclables, Dispose of Waste Responsibly and Make Sure the Site Is Spotless. You'll Also Get a Demolition Clearance Certificate, So You're Ready for the Next Phase.
Frequently Asked Questions 
Have another question?
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100% Satisfaction 100% Success
We provide a range of demolition services, including full building demolition, internal strip-outs, and selective demolition for offices, retail spaces, and industrial sites.
Yes, we manage all required permits and approvals, ensuring compliance with local Sydney regulations and council requirements for a smooth and legal process.
The timeline varies depending on the size and complexity of the project. After an initial assessment, we provide a clear estimate of how long the job will take.
Absolutely! We offer flexible scheduling options, including after-hours and weekend services, to minimise disruption to your business operations.
TESTIMONIALS
WHY CUSTOMERS CHOOSE US
I was pleased with the communication.
GSK Building Solutions made our office de-fit stress-free and efficient. Their team was professional, and the space was left spotless, ready for the next tenant. We had 0 issues and flawless communications from the supervisor George
★★★★★
Ronnie S
I was pleased with the communication.
We worked with GSK Building Solutions for a complete demolition and de-fit of our commercial space, and they were outstanding from start to finish. Their team was punctual, professional, and kept us informed throughout the entire process.
★★★★★
Jakob R
I was pleased with the communication.
GSK took care of the defit for our store exceptionally quick and for a fair price.
★★★★★
Eleanor P
I was pleased with the communication.
GSK exceeded our expectations in every aspect of our commercial clean. The entire process was smooth, and the end result was flawless. Zero faults. We highly recommend.
★★★★★
Jassmine S
I was pleased with the communication.
We chose GSK for our retail complex project because of a referral and they did not disappoint. From the initial consult phase to the demo, their team was professional, and very quick.
★★★★★
Saaz H
Enquire With Us Today!
Call us today for competitive prices.
0434 126 004
Get a FREE Quote
100% Satisfaction 100% Success