Determined This application has been determined. Contact Northern Beaches Council if you want to understand or challenge the decision. Some decisions can be appealed to the NSW Land and Environment Court, and who can appeal depends on the type of development.

Lodged 31 July 2026 Under assessment Determined 2 Sept 2026

Status DETERMINED

Overview

Address

17 Brinawa Street Mona Vale 2103

Portal application no.

PAN-660640

Council reference

Mod2026/0390

Application type

Modification Application

Development types

Secondary dwelling; Demolition; Dwelling house; Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah; Garage, carport or carparking space; Landscaping structures

Estimated cost

$901,214

New dwellings

2

Storeys

2

Determination authority

Council staff under delegated authority

Key dates

Lodged

31 July 2026

Exhibition starts

Not exhibited

Exhibition ends

Not exhibited

Determined

2 September 2026

Source: NSW Planning Portal (opens in a new tab). The tracker searches by address, not by application number. Quote its portal number PAN-660640 or council reference Mod2026/0390 when you contact Northern Beaches Council.