What do the Symbols and Figures Mean?

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For the most part, a floor plan is pretty easily understood at first glance, but you’ll notice that there’s quite a bit of cryptic detail in it and that a great deal of care and attention’s gone into making sure everything’s done just right.

The types and thicknesses of the lines, the directions of the arrows, little abbreviations, symbols, and markings all hold vital significance, and are included to ensure that the builder understands exactly what’s required, and where.

In theory, the floor plan should be drawn to comply with what’s laid out in the Australian Standard AS1100 (Part 301: Architectural Drawing) however there are likely to be slight differences in the way some things are depicted on floor plans, depending on what software’s used to draw the plans.