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Development applications in Thornleigh, NSW

39 commercial development applications in Thornleigh 2120 · The Council of the Shire of Hornsby.

Latest projects

Showing 39

35A SEFTON ROAD THORNLEIGH 2120Council record

CDC-359650 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 4 Jun 2026

IndustrialOffice

$1,596,793

Approved

3 3-5 CHILVERS ROAD THORNLEIGH 2120Council record

PAN-623780 · The Council of the Shire of Hornsby · Development Application · Lodged 27 Mar 2026

Place of worship

$281,504

Under Assessment

182 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-609350 · The Council of the Shire of Hornsby · Modification Application · Lodged 4 Feb 2026

Commercial

—

Determined

21-31 CENTRAL AVENUE THORNLEIGH 2120Council record

PAN-599029 · The Council of the Shire of Hornsby · Development Application · Lodged 11 Dec 2025

Commercial

$1,502,597

Determined

6 LYMOORE AVENUE THORNLEIGH 2120Council record

PAN-595750 · The Council of the Shire of Hornsby · Development Application · Lodged 2 Dec 2025

Industrial

$14,150

Deferred Commencement

182 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-590875 · The Council of the Shire of Hornsby · Modification Application · Lodged 14 Nov 2025

Commercial

$1,900,000

Determined

22 THE ESPLANADE THORNLEIGH 2120Council record

PAN-581895 · The Council of the Shire of Hornsby · Development Application · Lodged 16 Oct 2025

Medical

$562,000

Determined

11 SEFTON ROAD THORNLEIGH 2120Council record

PAN-563136 · The Council of the Shire of Hornsby · Development Application · Lodged 29 Aug 2025

Industrial

$5,775

Determined

35E SEFTON ROAD THORNLEIGH 2120Council record

PAN-566253 · The Council of the Shire of Hornsby · Development Application · Lodged 28 Aug 2025

Recreation

$165,963

Determined

35D SEFTON ROAD THORNLEIGH 2120Council record

PAN-557702 · The Council of the Shire of Hornsby · Modification Application · Lodged 29 Jul 2025

Childcare

—

Determined

U 2 292 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-554489 · The Council of the Shire of Hornsby · Development Application · Lodged 21 Jul 2025

Commercial

—

Determined

17 BELLEVUE STREET THORNLEIGH 2120Council record

PAN-549772 · The Council of the Shire of Hornsby · Development Application · Lodged 14 Jul 2025

Commercial

$1,092,933

Determined

11 BARRETT AVENUE THORNLEIGH 2120Council record

PAN-519494 · The Council of the Shire of Hornsby · Development Application · Lodged 4 Apr 2025

SubdivisionSeniors living

$22,422,790

Determined

292 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-517796 · The Council of the Shire of Hornsby · Development Application · Lodged 24 Mar 2025

Commercial

$10,863

Determined

293-299 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-516547 · The Council of the Shire of Hornsby · Development Application · Lodged 7 Mar 2025

Industrial

—

Determined

2-4 CENTRAL AVENUE THORNLEIGH 2120Council record

CDC-273891 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 14 Feb 2025

Recreation

$22,000

Approved

240-242 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-504460 · The Council of the Shire of Hornsby · Development Application · Lodged 5 Feb 2025

Commercial

$1,217,000

Determined

10 BELLEVUE STREET THORNLEIGH 2120Council record

PAN-493105 · The Council of the Shire of Hornsby · Modification Application · Lodged 3 Dec 2024

Childcare

$3,497,906

Determined

206-212 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-483490 · The Council of the Shire of Hornsby · Modification Application · Lodged 1 Nov 2024

Commercial

—

Determined

17 BELLEVUE STREET THORNLEIGH 2120Council record

CDC-255476 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 25 Oct 2024

Commercial

$2,908,432

Approved

9 CHILVERS ROAD THORNLEIGH 2120Council record

CDC-251038 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 21 Oct 2024

IndustrialWarehouse

$194,865

Approved

292 PENNANT HILLS ROAD THORNLEIGH 2120Council record

CDC-247285 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 12 Sept 2024

Commercial

$936,360

Approved

21-29 CENTRAL AVENUE THORNLEIGH NSW 2120Council record

CDC-245911 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 10 Sept 2024

Office

$5,866,415

Approved

2 BELLEVUE STREET THORNLEIGH 2120Council record

PAN-458405 · The Council of the Shire of Hornsby · Development Application · Lodged 6 Aug 2024

Recreation

$419,650

Determined

2A PARKES STREET THORNLEIGH 2120Council record

PAN-455337 · The Council of the Shire of Hornsby · Modification Application · Lodged 30 Jul 2024

Medical

$669,900

Determined

9 CHILVERS ROAD THORNLEIGH 2120Council record

CDC-232951 · The Council of the Shire of Hornsby · Modification to Complying Development Certificate · Lodged 24 Jul 2024

Warehouse

$600,000

Approved

35E SEFTON ROAD THORNLEIGH 2120Council record

PAN-439332 · The Council of the Shire of Hornsby · Development Application · Lodged 6 Jun 2024

WarehouseSubdivision

$16,500

Determined

9 CHILVERS ROAD THORNLEIGH 2120Council record

CDC-228001 · The Council of the Shire of Hornsby · Modification to Complying Development Certificate · Lodged 4 Jun 2024

Warehouse

$1,800,000

Approved

9 CHILVERS ROAD THORNLEIGH 2120Council record

CDC-228122 · The Council of the Shire of Hornsby · Modification to Complying Development Certificate · Lodged 4 Jun 2024

Warehouse

Approved

SE 1 293 PENNANT HILLS ROAD THORNLEIGH 2120Council record

CDC-219208 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 29 Apr 2024

Commercial

$50,000

Approved

218-228 Pennant Hills Road Thornleigh 2120Council record

CDC-156645 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 27 Mar 2024

Commercial

$1,719,927

Approved

266 PENNANT HILLS ROAD THORNLEIGH 2120Council record

CDC-210492 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 1 Mar 2024

Commercial

$100

Approved

6 DUFFY AVENUE THORNLEIGH 2120Council record

PAN-409637 · The Council of the Shire of Hornsby · Modification Application · Lodged 28 Feb 2024

Recreation

$492,470

Determined

192-198 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-408582 · The Council of the Shire of Hornsby · Modification Application · Lodged 23 Feb 2024

Office

$269,500

Determined

9 CHILVERS ROAD THORNLEIGH 2120Council record

CDC-190247 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 19 Feb 2024

IndustrialWarehouse

$14,329,662

Approved

258-264 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-408658 · The Council of the Shire of Hornsby · Modification Application · Lodged 15 Feb 2024

CommercialApartments / units

$21,353,075

Determined

4 CHILVERS ROAD THORNLEIGH 2120Council record

PAN-402134 · The Council of the Shire of Hornsby · Development Application · Lodged 2 Feb 2024

Industrial

—

Determined

7 CHILVERS ROAD THORNLEIGH 2120Council record

PAN-403566 · The Council of the Shire of Hornsby · Development Application · Lodged 26 Jan 2024

Childcare

$2,430,148

Deferred Commencement

17 BELLEVUE STREET THORNLEIGH 2120Council record

PAN-400990 · The Council of the Shire of Hornsby · Modification Application · Lodged 22 Jan 2024

Commercial

$17,332,383

Determined

Browse all in Thornleigh →

Nearby suburbs in The Council of the Shire of Hornsby

Hornsby102 DAs Pennant Hills26 DAs Cherrybrook21 DAs Asquith18 DAs Mount Kuring-Gai14 DAs West Pennant Hills14 DAs Beecroft12 DAs Berowra Heights9 DAs

Frequently asked

How many development applications are there in Thornleigh?

39 commercial development applications are on record in Thornleigh, NSW (postcode 2120), lodged since the July 2021 ePlanning mandate.

Which council covers Thornleigh?

Thornleigh sits within the The Council of the Shire of Hornsby local government area.

Home · Suburbs · Thornleigh

Development applications in Thornleigh, NSW

39 commercial development applications in Thornleigh 2120 · The Council of the Shire of Hornsby.

Latest projects

Showing 39

35A SEFTON ROAD THORNLEIGH 2120Council record

CDC-359650 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 4 Jun 2026

IndustrialOffice

$1,596,793

Approved

3 3-5 CHILVERS ROAD THORNLEIGH 2120Council record

PAN-623780 · The Council of the Shire of Hornsby · Development Application · Lodged 27 Mar 2026

Place of worship

$281,504

Under Assessment

182 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-609350 · The Council of the Shire of Hornsby · Modification Application · Lodged 4 Feb 2026

Commercial

—

Determined

21-31 CENTRAL AVENUE THORNLEIGH 2120Council record

PAN-599029 · The Council of the Shire of Hornsby · Development Application · Lodged 11 Dec 2025

Commercial

$1,502,597

Determined

6 LYMOORE AVENUE THORNLEIGH 2120Council record

PAN-595750 · The Council of the Shire of Hornsby · Development Application · Lodged 2 Dec 2025

Industrial

$14,150

Deferred Commencement

182 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-590875 · The Council of the Shire of Hornsby · Modification Application · Lodged 14 Nov 2025

Commercial

$1,900,000

Determined

22 THE ESPLANADE THORNLEIGH 2120Council record

PAN-581895 · The Council of the Shire of Hornsby · Development Application · Lodged 16 Oct 2025

Medical

$562,000

Determined

11 SEFTON ROAD THORNLEIGH 2120Council record

PAN-563136 · The Council of the Shire of Hornsby · Development Application · Lodged 29 Aug 2025

Industrial

$5,775

Determined

35E SEFTON ROAD THORNLEIGH 2120Council record

PAN-566253 · The Council of the Shire of Hornsby · Development Application · Lodged 28 Aug 2025

Recreation

$165,963

Determined

35D SEFTON ROAD THORNLEIGH 2120Council record

PAN-557702 · The Council of the Shire of Hornsby · Modification Application · Lodged 29 Jul 2025

Childcare

—

Determined

U 2 292 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-554489 · The Council of the Shire of Hornsby · Development Application · Lodged 21 Jul 2025

Commercial

—

Determined

17 BELLEVUE STREET THORNLEIGH 2120Council record

PAN-549772 · The Council of the Shire of Hornsby · Development Application · Lodged 14 Jul 2025

Commercial

$1,092,933

Determined

11 BARRETT AVENUE THORNLEIGH 2120Council record

PAN-519494 · The Council of the Shire of Hornsby · Development Application · Lodged 4 Apr 2025

SubdivisionSeniors living

$22,422,790

Determined

292 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-517796 · The Council of the Shire of Hornsby · Development Application · Lodged 24 Mar 2025

Commercial

$10,863

Determined

293-299 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-516547 · The Council of the Shire of Hornsby · Development Application · Lodged 7 Mar 2025

Industrial

—

Determined

2-4 CENTRAL AVENUE THORNLEIGH 2120Council record

CDC-273891 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 14 Feb 2025

Recreation

$22,000

Approved

240-242 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-504460 · The Council of the Shire of Hornsby · Development Application · Lodged 5 Feb 2025

Commercial

$1,217,000

Determined

10 BELLEVUE STREET THORNLEIGH 2120Council record

PAN-493105 · The Council of the Shire of Hornsby · Modification Application · Lodged 3 Dec 2024

Childcare

$3,497,906

Determined

206-212 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-483490 · The Council of the Shire of Hornsby · Modification Application · Lodged 1 Nov 2024

Commercial

—

Determined

17 BELLEVUE STREET THORNLEIGH 2120Council record

CDC-255476 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 25 Oct 2024

Commercial

$2,908,432

Approved

9 CHILVERS ROAD THORNLEIGH 2120Council record

CDC-251038 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 21 Oct 2024

IndustrialWarehouse

$194,865

Approved

292 PENNANT HILLS ROAD THORNLEIGH 2120Council record

CDC-247285 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 12 Sept 2024

Commercial

$936,360

Approved

21-29 CENTRAL AVENUE THORNLEIGH NSW 2120Council record

CDC-245911 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 10 Sept 2024

Office

$5,866,415

Approved

2 BELLEVUE STREET THORNLEIGH 2120Council record

PAN-458405 · The Council of the Shire of Hornsby · Development Application · Lodged 6 Aug 2024

Recreation

$419,650

Determined

2A PARKES STREET THORNLEIGH 2120Council record

PAN-455337 · The Council of the Shire of Hornsby · Modification Application · Lodged 30 Jul 2024

Medical

$669,900

Determined

9 CHILVERS ROAD THORNLEIGH 2120Council record

CDC-232951 · The Council of the Shire of Hornsby · Modification to Complying Development Certificate · Lodged 24 Jul 2024

Warehouse

$600,000

Approved

35E SEFTON ROAD THORNLEIGH 2120Council record

PAN-439332 · The Council of the Shire of Hornsby · Development Application · Lodged 6 Jun 2024

WarehouseSubdivision

$16,500

Determined

9 CHILVERS ROAD THORNLEIGH 2120Council record

CDC-228001 · The Council of the Shire of Hornsby · Modification to Complying Development Certificate · Lodged 4 Jun 2024

Warehouse

$1,800,000

Approved

9 CHILVERS ROAD THORNLEIGH 2120Council record

CDC-228122 · The Council of the Shire of Hornsby · Modification to Complying Development Certificate · Lodged 4 Jun 2024

Warehouse

Approved

SE 1 293 PENNANT HILLS ROAD THORNLEIGH 2120Council record

CDC-219208 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 29 Apr 2024

Commercial

$50,000

Approved

218-228 Pennant Hills Road Thornleigh 2120Council record

CDC-156645 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 27 Mar 2024

Commercial

$1,719,927

Approved

266 PENNANT HILLS ROAD THORNLEIGH 2120Council record

CDC-210492 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 1 Mar 2024

Commercial

$100

Approved

6 DUFFY AVENUE THORNLEIGH 2120Council record

PAN-409637 · The Council of the Shire of Hornsby · Modification Application · Lodged 28 Feb 2024

Recreation

$492,470

Determined

192-198 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-408582 · The Council of the Shire of Hornsby · Modification Application · Lodged 23 Feb 2024

Office

$269,500

Determined

9 CHILVERS ROAD THORNLEIGH 2120Council record

CDC-190247 · The Council of the Shire of Hornsby · Complying Development Certificate Application · Lodged 19 Feb 2024

IndustrialWarehouse

$14,329,662

Approved

258-264 PENNANT HILLS ROAD THORNLEIGH 2120Council record

PAN-408658 · The Council of the Shire of Hornsby · Modification Application · Lodged 15 Feb 2024

CommercialApartments / units

$21,353,075

Determined

4 CHILVERS ROAD THORNLEIGH 2120Council record

PAN-402134 · The Council of the Shire of Hornsby · Development Application · Lodged 2 Feb 2024

Industrial

—

Determined

7 CHILVERS ROAD THORNLEIGH 2120Council record

PAN-403566 · The Council of the Shire of Hornsby · Development Application · Lodged 26 Jan 2024

Childcare

$2,430,148

Deferred Commencement

17 BELLEVUE STREET THORNLEIGH 2120Council record

PAN-400990 · The Council of the Shire of Hornsby · Modification Application · Lodged 22 Jan 2024

Commercial

$17,332,383

Determined

Browse all in Thornleigh →

Nearby suburbs in The Council of the Shire of Hornsby

Hornsby102 DAs Pennant Hills26 DAs Cherrybrook21 DAs Asquith18 DAs Mount Kuring-Gai14 DAs West Pennant Hills14 DAs Beecroft12 DAs Berowra Heights9 DAs

Frequently asked

How many development applications are there in Thornleigh?

39 commercial development applications are on record in Thornleigh, NSW (postcode 2120), lodged since the July 2021 ePlanning mandate.

Which council covers Thornleigh?

Thornleigh sits within the The Council of the Shire of Hornsby local government area.