Determined This application has been determined. Contact Woollahra Municipal 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 30 Apr 2026 On exhibition 20 May 2026 Under assessment Determined 10 Sept 2026

Status DETERMINED

Overview

Address

42 William Street Double Bay 2028

Portal application no.

PAN-633547

Council reference

DA329/25/3

Application type

Modification Application

Development types

Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation

Estimated cost

$1,848,000

New dwellings

2

Storeys

4

Determination authority

Council

Key dates

Lodged

30 April 2026

Exhibition starts

20 May 2026

Exhibition ends

19 June 2026

Determined

10 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-633547 or council reference DA329/25/3 when you contact Woollahra Municipal Council.