Determined This application has been determined. Contact Hornsby Shire 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 5 June 2026 On exhibition 17 June 2026 Under assessment Determined 29 Sept 2026

Status DETERMINED

Overview

Address

11 Adamson Avenue Thornleigh 2120

Portal application no.

PAN-645579

Council reference

DAR/548/2026

Application type

Review of determination

Development types

Dual occupancy; Demolition; Erection of a new structure; Dual occupancy (detached); Residential Accommodation

Estimated cost

$1,409,454

New dwellings

2

Storeys

2

Determination authority

Council staff under delegated authority

Key dates

Lodged

5 June 2026

Exhibition starts

17 June 2026

Exhibition ends

1 July 2026

Determined

29 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-645579 or council reference DAR/548/2026 when you contact Hornsby Shire Council.