Business Details
Your Trusted Steel Frame Building Provider in NSW
AllGal Residential & Rural Steel Frame Buildings brings over 35 years of expertise in crafting custom-engineered, high-quality steel-frame structures. As a family-owned business and part of the Williams River Steel Group, we specialise in Australian-made buildings designed to withstand extreme weather conditions. Our offerings include garages, granny flats, carports, rural sheds, and industrial structures, all customisable to client specifications. We manage every project phase in-house, from design and engineering to council approvals and construction, ensuring transparency and cost efficiency.Our patented welded portal frames and use of 100% Australian steel guarantee superior strength and durability. We prioritise sustainability through solar-ready designs and eco-friendly materials while maintaining compliance with national standards. Our team provides flexible service options, including kit-only solutions or full erection services, supported by comprehensive council assistance. With multiple display sites across NSW, we combine local knowledge with nationwide reach to deliver tailored solutions for residential and rural needs.
Services
Granny Flats
Carports
Garages
Rural Sheds
Barns
Storage Units
Horse Stables
Highlights and features
- 100% Australian steel meeting national standards
- Direct manufacturer eliminating middlemen
- Welded portal frames for superior structural strength
- 35+ years of steel construction expertise
- Sustainability-focused with solar-ready designs
Associations and certifications
- ShedSafe
Services
Granny Flats
AllGal's steel-framed granny flats offer flexible living spaces for families or rental purposes. Available in standard or custom designs, these structures feature durable Australian steel construction with council-ready plans. Options include DIY kits or full erection services, with foundation choices for various site conditions. The prefabricated design allows easy assembly and expansion readiness.
Carports
Our steel carports provide weather protection for vehicles and outdoor spaces. Available in skillion, gable, or curved roof designs, these structures use high-tensile steel frames with customizable cladding options. Features include stormwater guttering, optional infill walls, and spans up to 9 meters. AllGal offers both kit and erected solutions with rapid installation.
Rural Sheds
Heavy-duty steel sheds designed for farm machinery, livestock, and produce storage. Available in skillion, gable, or barn configurations with galvanized frames for corrosion resistance. Customizable with roller doors, ventilation systems, and wind load adaptations. Engineered to withstand harsh rural conditions across Australia.
Garages
Durable garages with welded portal frames and COLORBOND cladding options. Designs include highline, curved, and heritage styles with spans up to 7.2 meters. Features stormwater management systems, mezzanine floor options, and pre-engineered components for quick assembly. Suitable for vehicle storage or workshop conversions.
Storage Units
Modular steel storage solutions with customizable layouts and security features. Available as component kits or turnkey projects with lockable configurations. Designed for maximum space efficiency with galvanized frames and weatherproof cladding. Ideal for commercial storage facilities or private use.
Questions
Can I customise my steel building design?
Yes, we offer full customisation for all structures including layout modifications, cladding options, and size adjustments to meet specific requirements.
Do you handle council approvals?
Yes, we provide complete council assistance including plan submissions, engineer certifications, and permit acquisition for NSW projects.
What materials are used in construction?
We use 100% Australian steel including Bluescope products, with cladding options like COLORBOND, Hardiplank, or Western Red Cedar.
Are DIY kits available?
Yes, we supply flat-pack kits with pre-engineered components for self-assembly, including detailed instructions and required hardware.
What foundation options exist?
We offer concrete slab foundations or steel bearer systems suitable for reactive soils, with specialist designs for challenging site conditions.
How are buildings delivered?
Structures can be flat-packed for remote delivery or erected on-site, with protective packaging for components during transport.
Reviews (2)
Melinda Beavis
Jan 11, 2022
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Critical:Professionalism,Responsiveness
Very disappointing to pay our deposit early April 2021 before the price rises then to be told it is another $20000 and it would be finished late January and still have no shed. No one will take our calls but happy to take our money.
Very disappointing to pay our deposit early April 2021 before the price rises then to be told it is another $20000 and it would be finished late January and still have no shed. No one will take our calls but happy to take our money.
Phil Grainger
Nov 21, 2018
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Hi people just had allgal build my 16.000 x 6.5 mtr garage building part is great but there slab started cracking berfore the shed was built . Now six months after building it has six cracks going from side to side and I have to look at them every time I walk in the shed . They came took photos of them and said they are with in building codes .so have a think about you slab .cheers all phil