Steel Framed Sheds Bunbury by Advanced Barns & Sheds. Advanced Barns & Sheds in Bunbury, have been designing and constructing steel framed sheds and steel framed houses for over 11 years. Whether it's a shed for the farmer, or steel framed housing, we have an clear understanding of what is required. We build all sizes of sheds, from granny flats and man caves, to the largest of customised storage, machinery and hay sheds for the broad acre farmer. BUNBURY & SOUTH WEST WA: We design and construct steel framed sheds and buildings throughout the South West of WA, right out to the Wheat belt region. BUNBURY WA: Advanced Barns & Sheds are located in Bunbury West Australia. For more information about our farm machinery sheds, please visit our website at Video and website designby Mediaworx