Development applications — Willoughby City Council
3,101 applications since 2019, proposing 11,667 new dwellings.
Largest by cost of works
| Address | What | Cost of works | Status |
|---|---|---|---|
| 345 Victoria Avenue Chatswood 2067 | Alterations or additions to an existing building or structure; Retail Premise | $210,529,000 | Determined |
| 345 Victoria Avenue Chatswood 2067 | Retail Premise; Hours of operation and trading | $210,529,000 | Determined |
| 345 Victoria Avenue Chatswood 2067 | Alterations and additions to commercial development | $210,529,000 | Determined |
| 3 9-11 Nelson Street Chatswood 2067 | Shop top housing; Mixed use development; Business premises; Office premises; Retail premises | $171,343,351 | Determined |
| 8 Wilson St Chatswood - Lot 1/Dp1189541 | Residential flat building; Home business; Shop top housing; Office Premise; Erection of a new structure; Home occupation; Retail Premise | $166,866,786 | Deferred Commencement |
411 applications lodged in 2025
| Address | What | Lodged | Status | Cost | Dwellings |
|---|---|---|---|---|---|
| 1 Park Avenue Chatswood 2067 DA-2025/196 |
Dwelling house; Alterations or additions to an existing building or structure | 7 Oct 2025 | Determined 3 Mar 2026 |
$78,852 | 1 |
| 21 Coolaroo Road Lane Cove North 2066 DAR-2025/4 |
Demolition; Dwelling house; Erection of a new structure | 3 Oct 2025 | Determined 18 Dec 2025 |
$2,932,564 | 2 |
| 147-151 Sailors Bay Road Northbridge 2063 DA-2025/193 |
Change of use of land or a building or the classification of a building under the Building Code of Australia; Food and drink premise | 2 Oct 2025 | Withdrawn | $38,000 | — |
| 7 Bailey Avenue Lane Cove North 2066 DAM-2025/106 |
Dwelling house; Alterations or additions to an existing building or structure | 2 Oct 2025 | Determined 27 Nov 2025 |
$93,500 | 1 |
| 275 Eastern Valley Way Middle Cove 2068 DA-2025/194 |
Dwelling house; Alterations or additions to an existing building or structure | 2 Oct 2025 | Determined 10 Dec 2025 |
$639,100 | 1 |
| 2 Northcote Street Naremburn 2065 DA-2025/192 |
Residential flat building; Shop top housing; Subdivision; Erection of a new structure | 1 Oct 2025 | Determined 17 Dec 2025 |
— | 58 |
| 3 Melnotte Avenue Roseville 2069 DA-2025/189 |
Dwelling house; Alterations or additions to an existing building or structure | 30 Sep 2025 | Withdrawn | $330,000 | 1 |
| 26 Smith Street Chatswood 2067 DA-2025/191 |
Signage; Advertising and signage | 30 Sep 2025 | Determined 19 Dec 2025 |
$40,480 | — |
| 5 Mabel Street Willoughby 2068 DA-2025/186 |
Change of use of land or a building or the classification of a building under the Building Code of Australia; Residential Accommodation | 29 Sep 2025 | Determined 22 Oct 2025 |
$1,200 | — |
| 273 Edinburgh Road Castlecrag 2068 DA-2025/187 |
Dwelling house; Alterations or additions to an existing building or structure | 29 Sep 2025 | Determined 5 Dec 2025 |
$742,000 | 1 |
| Shop 482, 1 Anderson Street Chatswood DA-2025/188 |
Advertising and signage; Specialised Retail Premises | 29 Sep 2025 | Determined 13 Nov 2025 |
$50,000 | — |
| 1 Kooringa Road Chatswood 2067 DA-2025/185 |
Demolition; Residential flat building; Erection of a new structure; Residential Accommodation | 29 Sep 2025 | Determined 24 Feb 2026 |
$28,959,184 | 40 |
| 19 Archer Street Chatswood 2067 DAM-2025/104 |
Dwelling house; Alterations or additions to an existing building or structure; Minor building alterations (internal); Residential Accommodation; Supporting Development | 26 Sep 2025 | Determined 26 Nov 2025 |
$40,000 | 1 |
| 100 Edinburgh Road Castlecrag 2068 DAM-2025/105 |
Residential flat building; Restaurant or cafe; Subdivision; Erection of a new structure; Outdoor dining - general; Retail Premise; Food and drink premise; Take away food and drink; Shop; Neighbourhood shop; Neighbourhood supermarket; Hours of operation and trading | 25 Sep 2025 | Determined 28 May 2026 |
$70,643,039 | 38 |
| 35 Penshurst Street Willoughby 2068 DA-2025/183 |
Demolition; Residential flat building; Erection of a new structure | 24 Sep 2025 | Determined 11 Aug 2026 |
$27,003,062 | 36 |
| 3 Wilson Street Chatswood 2067 DAM-2025/103 |
Residential flat building; Erection of a new structure; Residential Accommodation | 18 Sep 2025 | Determined 2 Dec 2025 |
$50,638,720 | 70 |
| Shop 8 71-77 Penshurst Street Willoughby 2068 DA-2025/179 |
Advertising and signage; Alterations or additions to an existing building or structure; Shop | 18 Sep 2025 | Determined 19 Nov 2025 |
$88,188 | — |
| 38 Tindale Road Artarmon 2064 DA-2025/184 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure | 18 Sep 2025 | Determined 19 Dec 2025 |
$1,343,079 | 1 |
| 61 Alleyne Street Chatswood 2067 DAM-2025/102 |
Alterations or additions to an existing building or structure; Vehicle Sales or Hire Premises | 17 Sep 2025 | Determined 7 Nov 2025 |
$310,577 | — |
| 20 Aubrey Road Northbridge 2063 DA-2025/182 |
Dwelling house; Alterations or additions to an existing building or structure | 17 Sep 2025 | Determined 19 Jan 2026 |
$888,329 | 1 |
| 4 Second Avenue Willoughby East 2068 DAM-2025/101 |
Dwelling house; Erection of a new structure | 15 Sep 2025 | Determined 18 Sep 2025 |
$1,013,349 | 1 |
| 2 Parnoo Avenue Castle Cove 2069 DAM-2025/100 |
Dwelling house; Erection of a new structure; Driveways and hard stand spaces; Landscaping structures; Swimming pool | 15 Sep 2025 | Determined 19 Nov 2025 |
$90,000 | 1 |
| 25 Coolaroo Road Lane Cove North 2066 DAM-2025/97 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 12 Sep 2025 | Determined 29 Sep 2025 |
$744,700 | 1 |
| 1a Edward Street Willoughby 2068 DAM-2025/99 |
Dwelling house; Alterations or additions to an existing building or structure | 12 Sep 2025 | Determined 14 Nov 2025 |
$588,500 | 1 |
| 28 High Street Willoughby 2068 DAM-2025/98 |
Dwelling house; Alterations or additions to an existing building or structure | 12 Sep 2025 | Determined 14 Nov 2025 |
$555,716 | 1 |
| 37 Weemala Road Northbridge 2063 DA-2025/181 |
Dwelling house; Alterations or additions to an existing building or structure | 12 Sep 2025 | Determined 29 Oct 2025 |
$110,000 | 1 |
| 13 Royal Street Chatswood 2067 DA-2025/178 |
Secondary dwelling; Erection of a new structure | 9 Sep 2025 | Withdrawn | $252,330 | 1 |
| 8 Weemala Road Northbridge 2063 DAM-2025/96 |
Demolition; Dwelling house; Erection of a new structure | 9 Sep 2025 | Determined 28 Oct 2025 |
$2,547,732 | 1 |
| 258 Boundary Street Castle Cove 2069 DA-2025/180 |
Dwelling house; Erection of a new structure | 8 Sep 2025 | Determined 9 Oct 2025 |
$158,655 | 1 |
| 5 Findlay Avenue Roseville 2069 DAM-2025/94 |
Dwelling house; Erection of a new structure | 5 Sep 2025 | Determined 26 Sep 2025 |
$100,000 | 1 |
| 18 Smith Street Chatswood 2067 DAM-2025/95 |
Alterations or additions to an existing building or structure; Supporting Development | 5 Sep 2025 | Determined 14 Oct 2025 |
$7,205,634 | — |
| 52 Elizabeth Street Artarmon 2064 DA-2025/177 |
Dwelling house; Alterations or additions to an existing building or structure | 5 Sep 2025 | Determined 17 Dec 2025 |
$300,000 | 1 |
| 21 Robinson Street Chatswood 2067 DA-2025/174 |
Dwelling house; Alterations or additions to an existing building or structure | 3 Sep 2025 | Determined 29 Sep 2025 |
$63,426 | — |
| 78 Baringa Road Northbridge 2063 DA-2025/176 |
Dwelling house; Alterations or additions to an existing building or structure | 3 Sep 2025 | Determined 21 Oct 2025 |
$80,000 | — |
| 100 Edinburgh Road Castlecrag 2068 DAM-2025/93 |
Residential flat building; Shop top housing; Alterations or additions to an existing building or structure | 2 Sep 2025 | Withdrawn | — | 38 |
| 45 Sydney Street Willoughby 2068 DA-2025/173 |
Dwelling house; Alterations or additions to an existing building or structure | 2 Sep 2025 | Determined 31 Oct 2025 |
$677,160 | 1 |
| 58 Anderson Street Chatswood 2067 DAM-2025/91 |
Demolition; Shop top housing; Erection of a new structure | 2 Sep 2025 | Determined 10 Dec 2025 |
$39,059,260 | 12 |
| 29 Holland Street Chatswood 2067 DA-2025/171 |
Erection of a new structure; Cabanas, cubby houses, ferneries, garden sheds, gazebos and greenhouses; Garage, carport or carparking space | 1 Sep 2025 | Determined 27 Nov 2025 |
$34,156 | — |
| 131 Sailors Bay Road Northbridge 2063 DAM-2025/92 |
Shop top housing; Alterations or additions to an existing building or structure; Erection of a new structure; Change of use of land or a building or the classification of a building under the Building Code of Australia | 1 Sep 2025 | Determined 7 Jan 2026 |
— | 14 |
| 69 Artarmon Road Willoughby 2068 DA-2025/169 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure; Carport | 30 Aug 2025 | Withdrawn | $412,500 | 1 |
Source: NSW Planning Portal Online DA open API. Cost of works is the applicant's own estimate as lodged, not an assessed or final figure.