NSW Fair Trading
Registered Certifier
Licence #BDC04810
8/11/2022 to 8/11/2027
Last verified: 4 April 2026
✓ State Register Licensed ✓ Verified
OLSEN INFRASTRUCTURE PTY LTD
Castle Hill, NSW
★★★★★5.0(5 reviews)
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Contact Details
ABN: 29132641813
Size: Sole-trader
State: New South Wales
♢ Registrations
Current
Services
Building Classes
Class 1a - Single Dwelling Class 1b - Boarding House / Guest House Class 2 - Apartments / Units Class 3 - Hotel, Motel, Backpackers Class 4 - Dwelling in Non-Residential Building Class 5 - Office Building Class 6 - Shop, Restaurant, Cafe Class 7a - Car Park Class 7b - Warehouse, Storage, Distribution Class 8 - Factory, Laboratory, Production Class 9a - Hospital, Health Care Class 9b - School, Church, Assembly Class 9c - Aged Care, Residential Care Class 10a - Shed, Carport, Garage Class 10b - Fence, Retaining Wall, Mast Class 10c - Swimming Pool, Spa
Service Areas
Hornsby
About
OLSEN INFRASTRUCTURE PTY LTD — Licensed building certifier in Castle Hill, New South Wales. Specialising in building-inspections. 5.0 stars from 5 reviews. State register verified. Send a free enquiry.
Reviews (5)
SS P|1 February 2023|Google
The work they performed was of the highest quality and met all of my expectations. The team was also very communicative and kept me updated throughout the project, which was much appreciate
d. I would highly recommend Olsen. They are truly a top-notch company and I look forward to working with them again in the future. Thank you Tolsten for a job well done! Anil Kumar|5 August 2020|Google
I had engaged Olsen Infra for a Sydney Water Servicing Coordination to get a building clearance for my retaining wall. The team was very professiona
l, responsive and helped me get the necessary approval without any hassles in a very short period of time. I would highly recommend Olsen Infra and the team there. Civic Properties|14 August 2019|Google
Great service and highly recommend the team at Olsen. W
e have used Olsen's services for multiple jobs now and work is always done in a professional manner. Required documentation after works completed provided in a timely manner. D. K.|5 May 2019|Google
Olsen Infrastructure were most competitive amongst the total of 5 companies who responded to my request for a quote. Dealing with them was pure pleasure. They displayed everything: promptness, professionalism, fri
endliness, great communication skills and, the most important, quality final product. With great pleasure I would recommend this company to any prospective client. Natalia Pletneva|6 November 2018|Google
Very professional business. We had an urgent request and they were very accommodating. Kylie is an absolute pleasure to deal with. I wish there were more operators like this around. Highly recommended.
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