Development Applications in Thornleigh

Track all current and recent development applications in Thornleigh, New South Wales. Stay informed about new constructions, renovations, and planning permits in your area.

485
Total Applications
302
Unique Addresses
2026
Records Since
$461K
Avg. Project Cost

Recent Applications (20)

Get alerts for Thornleigh
CDC-377987Under Assessment

9A EDDY STREET THORNLEIGH 2120

Dwelling house

Lodged: 14 Aug 2026Residential
CFT-1006813Determined

21-31 CENTRAL AVENUE THORNLEIGH 2120

Commercial development; Alterations or additions to an existing building or structure

Lodged: 12 Aug 2026Commercial
CFT-1008963Determined

61 BERESFORD ROAD THORNLEIGH 2120

Balconies, decks, patios Terraces of verandahs

Lodged: 12 Aug 2026Building Work
CDC-376099Approved

17 BELLEVUE STREET THORNLEIGH 2120

Alterations or additions to an existing building or structure; Neighbourhood shop

Lodged: 12 Aug 2026Commercial
CDC-377536Under Assessment

124 DARTFORD ROAD THORNLEIGH 2120

Dwelling house

Lodged: 12 Aug 2026Residential
CFT-1008301Determined

9 TRELAWNEY STREET THORNLEIGH 2120

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

Lodged: 11 Aug 2026Alteration/Addition
PAN-663052Under Assessment

23 JUDSON ROAD THORNLEIGH 2120

Secondary dwelling; Demolition; Erection of a new structure

Lodged: 6 Aug 2026Residential - Multi Dwelling
PAN-657146Under Assessment

7 DE SAXE CLOSE THORNLEIGH 2120

Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah

Lodged: 23 July 2026Building Work
CFT-997778Under Assessment

7 EDDY STREET THORNLEIGH 2120

Dwelling house; Erection of a new structure

Lodged: 23 July 2026Residential
CFT-996432Determined

4 NATTAI CLOSE THORNLEIGH 2120

Alterations or additions to an existing building or structure; Carport

Lodged: 22 July 2026Building Work
CDC-372019Approved

41 ADAMSON AVENUE THORNLEIGH 2120

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

Lodged: 16 July 2026Alteration/Addition
CFT-989180Determined

49 STATION STREET THORNLEIGH 2120

Dwelling house; Erection of a new structure

Lodged: 9 July 2026Residential
PAN-652758Under Assessment

12 ROACH AVENUE THORNLEIGH 2120

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

Lodged: 6 July 2026Residential - Multi Dwelling
CDC-369749Approved

19B BRIDGEVIEW CRESCENT THORNLEIGH 2120

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

Lodged: 3 July 2026Alteration/Addition
CFT-765889Under Assessment

1 NORMAN AVENUE THORNLEIGH 2120

Dwelling house

Lodged: 2 July 2026Residential
PAN-646458Additional Information Requested

52 DUFFY AVENUE THORNLEIGH 2120

Demolition; Subdivision

Lodged: 20 June 2026Subdivision
CDC-366658Approved

293-299 PENNANT HILLS ROAD THORNLEIGH 2120

Commercial development; Alterations or additions to an existing building or structure

Lodged: 19 June 2026Commercial
CFT-976597Determined

182 PENNANT HILLS ROAD THORNLEIGH 2120

Restaurant or cafe; Food and drink premise; Hours of operation and trading

Lodged: 19 June 2026Commercial
CFT-971544Determined

182 PENNANT HILLS ROAD THORNLEIGH 2120

Restaurant or cafe; Erection of a new structure

Lodged: 19 June 2026Commercial
PAN-646775Additional Information Requested

38 DUFFY AVENUE THORNLEIGH 2120

Subdivision

Lodged: 12 June 2026Subdivision

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About Development Applications in Thornleigh

Development Applications (DAs) in Thornleigh, New South Wales are submitted to the local council when property owners want to make changes to their property. This includes new buildings, renovations, additions, and other significant works.

By tracking DAs in Thornleigh, you can stay informed about upcoming construction in your neighbourhood, understand property development trends, and research potential investment opportunities.

What you can track:

  • New residential developments and subdivisions
  • Commercial building applications
  • Home renovations and extensions
  • Swimming pools and landscaping
  • Mixed-use developments

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