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      2-Storey Granny Flats

      Can I build a 2-Storey Granny Flat?

      Generally, the answer is YES

      However, the CDC code stipulates that the higher the building gets, the larger the rear and side setbacks will need to be, to compensate for the increased height. Once a building exceeds 3.8m in height, then a formula applies to determine the required setbacks, as per the table below.

       

       

      Things to consider when building a Double Storey Granny Flat

      The maximum 60m2 Granny Flat floor area is split between the two levels

      Exactly like a single storey Granny Flat, a Double Storey Granny Flat also can have a maximum 60m2 of internal living space,. This means that the 60m2 has to be split between the two levels (ie. 30m2/30m2, 40m2/20m2). The space used for your staircase and void to the second storey are also included in the 60m2, this is an excellent solution if you have an interesting block space that you need a Granny Flat for.

      Our team is highly experience in Double Storey Granny Flat and can help you in creating a design that matches your needs, budget and block, have a chat to the team today about what we can do for you!

       

       

      Example of a Double Storey Granny Flat floorplan

       

      Building a Granny Flat on top of a garage

        • Can you design and build a Granny Flat, with a garage underneath?
          Yes, we can! The conditions and requirements pertaining to height and setbacks are the same outlined in the table above.
        • Is the garage included in the 60m2 Granny Flat area?
          Garages are not counted in the 60m2 of a Granny Flat. This means, theoretically, you can build a 60m2 Granny Flat on top of a 60m2 (or larger) garage! The same conditions & requirements outlined in the table above, as well as the CDC, apply.
        • Can the staircase leading from the garage in to the Granny Flat
          No. In the same way a single-storey Granny Flat cannot have an internal door leading in to the garage, the staircase for a double storey Granny Flat must be external and cannot be placed inside the garage – seen here:

      • Can I build a Granny Flat on top of my existing garage?
        In most cases, yes; however, this is site-specific question. Prior to giving a definitive answer, we would need to send out one of our Granny Flat experts to assess the conditions of your exisiting structure and ensure that it can support a second storey.

      Contact Us

        2-Storey Granny Flats Case Studies


        Cremorne - G9

        Westmead - G66

        Pennant Hills - C9

        Brick granny flat with patio

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