Development applications — Willoughby City Council
3,055 applications since 2019, proposing 11,586 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 | Additional Information Requested |
| 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 |
All applications, most recently lodged first
| Address | What | Lodged | Status | Cost | Dwellings |
|---|---|---|---|---|---|
| 64 Boundary Street Roseville 2069 DA-2025/256 |
Secondary dwelling; Demolition; Alterations or additions to an existing building or structure | 4 Dec 2025 | Determined 11 Mar 2026 |
$644,088 | 2 |
| 32 Burra Road Artarmon 2064 DA-2025/258 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure | 4 Dec 2025 | Determined 1 Apr 2026 |
$400,000 | 1 |
| 27 Minimbah Road Northbridge 2063 DA-2025/253 |
Demolition; Dwelling house; Erection of a new structure | 4 Dec 2025 | Determined 14 Apr 2026 |
$7,952,433 | 1 |
| 31 Minimbah Road Northbridge 2063 DA-2025/254 |
Demolition; Dwelling house; Erection of a new structure | 4 Dec 2025 | Determined 11 Jun 2026 |
$4,245,596 | 1 |
| 124 Artarmon Road Artarmon 2064 DA-2025/233 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 2 Dec 2025 | Determined 14 Apr 2026 |
$1,020,988 | 1 |
| 465 Mowbray Road West Lane Cove North 2066 DA-2025/243 |
Subdivision | 2 Dec 2025 | Determined 16 Apr 2026 |
$197,100 | — |
| 126a Penshurst Street Willoughby 2068 DA-2025/252 |
Demolition; Shop top housing; Erection of a new structure | 1 Dec 2025 | Determined 12 May 2026 |
$5,423,000 | 11 |
| 69 Artarmon Road Willoughby 2068 DAM-2025/133 |
Dwelling house; Alterations or additions to an existing building or structure | 27 Nov 2025 | Determined 20 Jan 2026 |
$500,000 | — |
| 5 Cambridge Road Artarmon 2064 DA-2025/250 |
Demolition; Subdivision; Erection of a new structure; Dual occupancy (attached); Driveways and hard stand spaces; Earthworks, retaining walls and structural support; Garage, carport or carparking space; Rainwater tanks; Swimming pool | 27 Nov 2025 | Determined 10 Mar 2026 |
$1,500,000 | 2 |
| 45 Headland Road Castle Cove 2069 DA-2025/245 |
Demolition; Dwelling house; Erection of a new structure | 27 Nov 2025 | Determined 20 Mar 2026 |
$8,466,105 | 1 |
| 1 Warrawee Avenue Castle Cove 2069 DA-2025/249 |
Dwelling house; Alterations or additions to an existing building or structure | 27 Nov 2025 | Determined 24 Mar 2026 |
$730,000 | 1 |
| 26 Hollywood Crescent North Willoughby 2068 DA-2025/246 |
Demolition; Dwelling house; Erection of a new structure; Residential Accommodation | 27 Nov 2025 | Determined 2 Apr 2026 |
$576,455 | 1 |
| 688 Pacific Highway Chatswood 2067 DA-2025/248 |
Demolition | 27 Nov 2025 | Determined 7 Apr 2026 |
$151,623 | — |
| 1 Julian Street Willoughby 2068 DA-2025/247 |
Dwelling house; Alterations or additions to an existing building or structure; Carport; Swimming pool | 27 Nov 2025 | Determined 17 Apr 2026 |
$610,720 | — |
| 94 William Street Roseville 2069 DAM-2025/132 |
Alterations or additions to an existing building or structure; Garage, carport or carparking space | 26 Nov 2025 | Determined 10 Dec 2025 |
$55,890 | — |
| 135 Greville Street Chatswood 2067 DA-2025/244 |
Subdivision | 26 Nov 2025 | Determined 27 Jan 2026 |
$15,000 | — |
| Shop 6 283 Penshurst Street North Willoughby 2068 DAM-2025/131 |
Recreation facility (indoor); Hours of operation and trading | 26 Nov 2025 | Determined 24 Mar 2026 |
— | — |
| 28 Elizabeth Street Artarmon 2064 DA-2025/242 |
Demolition; Shop top housing; Advertising and signage; Alterations or additions to an existing building or structure; Change of use of land or a building or the classification of a building under the Building Code of Australia | 26 Nov 2025 | Determined 1 Apr 2026 |
$274,591 | 1 |
| 276 Eastern Valley Way Middle Cove 2068 DA-2025/241 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure | 24 Nov 2025 | Determined 13 Feb 2026 |
$745,000 | — |
| 40 Mitchell Street Naremburn 2065 DA-2025/240 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure; Erection of a new structure; Carport | 23 Nov 2025 | Determined 10 Mar 2026 |
$440,989 | 1 |
| 18 Weedon Road, Artarmon, Nsw, 2064 DA-2025/239 |
Dwelling house; Alterations or additions to an existing building or structure | 21 Nov 2025 | Determined 10 Dec 2025 |
$3,300 | 1 |
| 45 Noonbinna Crescent Northbridge 2063 DAM-2025/129 |
Dwelling house; Alterations or additions to an existing building or structure | 21 Nov 2025 | Determined 15 Jan 2026 |
$1,336,000 | — |
| 234 Boundary Street Castle Cove 2069 DA-2025/238 |
Dwelling house; Alterations or additions to an existing building or structure | 20 Nov 2025 | Determined 4 Feb 2026 |
$317,000 | 1 |
| 24 Courallie Road Northbridge 2063 DA-2025/237 |
Dwelling house; Alterations or additions to an existing building or structure | 20 Nov 2025 | Determined 13 Feb 2026 |
$317,100 | 1 |
| 21 Cheyne Walk Castlecrag 2068 DA-2025/234 |
Demolition; Dwelling house; Erection of a new structure | 19 Nov 2025 | Withdrawn | $3,066,853 | 1 |
| 2a The Outpost Northbridge 2063 DAM-2025/124 |
Dwelling house; Erection of a new structure | 18 Nov 2025 | Determined 8 Dec 2025 |
$4,349,916 | 1 |
| 48 Coolawin Road Northbridge 2063 DAM-2025/128 |
Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah; Garage, carport or carparking space; Privacy screens | 18 Nov 2025 | Determined 16 Jan 2026 |
$33,000 | — |
| 2 Northcote Street Naremburn 2065 DAM-2025/127 |
Multi-dwelling housing; Residential flat building; Shop top housing; Erection of a new structure | 18 Nov 2025 | Determined 23 Jan 2026 |
$22,137,530 | 58 |
| 11 Adolphus Street Naremburn 2065 DA-2025/235 |
Erection of a new structure; Awnings, blinds and canopies; Swimming pool | 18 Nov 2025 | Determined 23 Feb 2026 |
$153,090 | — |
| 20 Scott Crescent Roseville 2069 DAM-2025/125 |
Dual occupancy; Alterations or additions to an existing building or structure; Dual occupancy (attached) | 18 Nov 2025 | Determined 26 Feb 2026 |
$1,216,244 | 2 |
| 20 Heights Crescent Middle Cove 2068 DA-2025/231 |
Dwelling house; Alterations or additions to an existing building or structure | 18 Nov 2025 | Determined 10 Mar 2026 |
$2,779,084 | — |
| 333 Mowbray Road Chatswood 2067 DAM-2025/126 |
Dwelling house; Alterations or additions to an existing building or structure | 17 Nov 2025 | Determined 22 Jan 2026 |
$799,000 | 1 |
| 393 Pacific Highway Artarmon 2064 DA-2025/230 |
Signage; Advertising and signage | 17 Nov 2025 | Determined 12 Feb 2026 |
$102,023 | — |
| 18 Greenfield Avenue Middle Cove 2068 DA-2025/228 |
Alterations or additions to an existing building or structure; Carport; Pathways and paving; Stairway | 14 Nov 2025 | Determined 17 Feb 2026 |
$218,900 | — |
| 1a Edward Street Willoughby 2068 N/A |
Dwelling house; Alterations or additions to an existing building or structure | — | Withdrawn 14 Nov 2025 |
$588,500 | 1 |
| 36 Emerstan Drive Castle Cove 2069 DA-2025/229 |
Dwelling house; Alterations or additions to an existing building or structure | 14 Nov 2025 | Determined 24 Feb 2026 |
$120,000 | — |
| 4 Cambridge Street North Willoughby 2068 DA-2025/217 |
Erection of a new structure; Carport | 13 Nov 2025 | Determined 28 Jan 2026 |
$6,858 | — |
| 359 Edinburgh Road Castlecrag 2068 DA-2025/227 |
Demolition; Dwelling house; Erection of a new structure | 13 Nov 2025 | Determined 21 Apr 2026 |
$4,312,000 | 1 |
| 499 Mowbray Road West Lane Cove North 2066 DAM-2025/123 |
Dwelling house; Alterations or additions to an existing building or structure | 11 Nov 2025 | Determined 30 Mar 2026 |
$694,917 | 1 |
| 58 Sugarloaf Crescent Castlecrag 2068 DA-2025/226 |
Dwelling house; Alterations or additions to an existing building or structure | 10 Nov 2025 | Determined 22 Dec 2025 |
$219,450 | 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.