Mosman Municipal Council 

Residents can make submissions to Mosman Council at any time right up until a DA is determined. To ensure full consideration by the assigned council assessment planner, iObject prescribes an additional two to three-week ‘Informal Deadline’, depending on the scale of the project in question.

If there is insufficient time to produce a detailed submission within Council’s notification period, we recommend seeking a deadline extension directly from the council officer, which iObject can negotiate on your behalf.

Submissions must address planning law considerations rather than general opposition. 

Experience Highlight: MOSMAN

Alterations and additions to an existing dwelling house, including swimming pool

Address: No. 65 Belmont Rd, Mosman, NSW

Application: DA-8.2025.74.1

Services Provided: DA Deficiency Audit & Principal Objection

Impact Risks

  • Lack of building separation along the side boundary would have led to an oppressive built form, potentially leaving the adjacent neighbour feeling ‘hemmed-in’.

  • Elimination of winter solar access to numerous habitable rooms, including living areas of our Client’s home.

  • First-floor elevated balcony raised concerns around excessive noise impacts, potentially offering ample space for large gatherings to occur.

Determination: After the applicant’s first DA was refused following Council siding with iObject's evaluation, agreeing on a number of fronts; this second application faced similar hurdles and was ultimately withdrawn before Council could determine it by way of refusal.

What iObject Achieved
Maintained the character of the existing streetscape, whilst protecting winter sunlight, acoustic privacy and visual amenity for our Client’s adjacent home.

Is your neighbour seeking DA approval from Mosman Municipal Council? 

For free planning advice on how to object, speak with an iObject planner today to find out more.

Athol Bay

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Balmoral

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Balmoral

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Balmoral Beach

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Beauty Point

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Bradleys Head

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Chinamans Beach

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Chowder Bay

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Chowder Head

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Clifton Gardens

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Cobblers Beach

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Edwards Beach

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Georges Head

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Georges Heights

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Hunters Bay

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Little Sirius Cove

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Long Bay

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Middle Head

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Mosman Bay

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Obelisk Bay

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Parriwi Head

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Pearl Bay

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Quakers Hat Bay

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Rocky Point

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Shell Cove

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Spit Junction

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Taylors Bay

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Taronga Zoo

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The Spit

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Wyargine Point

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Athol Bay | Balmoral | Balmoral | Balmoral Beach | Beauty Point | Bradleys Head | Chinamans Beach | Chowder Bay | Chowder Head | Clifton Gardens | Cobblers Beach | Edwards Beach | Georges Head | Georges Heights | Hunters Bay | Little Sirius Cove | Long Bay | Middle Head | Mosman Bay | Obelisk Bay | Parriwi Head | Pearl Bay | Quakers Hat Bay | Rocky Point | Shell Cove | Spit Junction | Taylors Bay | Taronga Zoo | The Spit | Wyargine Point |