Development applications — Willoughby City Council

3,101 applications since 2019, proposing 11,667 new dwellings.

Largest by cost of works

AddressWhatCost of worksStatus
345 Victoria Avenue Chatswood 2067Alterations or additions to an existing building or structure; Retail Premise$210,529,000Determined
345 Victoria Avenue Chatswood 2067Retail Premise; Hours of operation and trading$210,529,000Determined
345 Victoria Avenue Chatswood 2067Alterations and additions to commercial development$210,529,000Determined
3 9-11 Nelson Street Chatswood 2067Shop top housing; Mixed use development; Business premises; Office premises; Retail premises $171,343,351Determined
8 Wilson St Chatswood - Lot 1/Dp1189541Residential flat building; Home business; Shop top housing; Office Premise; Erection of a new structure; Home occupation; Retail Premise$166,866,786Deferred Commencement

285 applications lodged in 2026

AddressWhatLodgedStatusCostDwellings
443 Willoughby Road Willoughby 2068
DAM-2026/100
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; Centre-based child care 17 Aug 2026 Determined
16 Sep 2026
$3,014,275 —
1 84 Hampden Road Artarmon 2064
DAM-2026/98
Signage; Business premises; Alterations or additions to an existing building or structure; Awnings, blinds and canopies; Retail Premise; Food and drink premise; Supporting Development 17 Aug 2026 Determined
1 Sep 2026
$72,600 —
2 The Tor Walk Castlecrag 2068
DA-2026/158
Erection of a new structure; Carport; Earthworks, retaining walls and structural support; Landscaping structures 17 Aug 2026 Under Assessment $188,130 —
914-918 Pacific Highway Chatswood 2067
DA-2026/156
Commercial development; Advertising and signage 14 Aug 2026 Under Assessment $13,200 —
131 Sailors Bay Road Northbridge 2063
DAM-2026/96
Demolition; Shop top housing; Alterations or additions to an existing building or structure 14 Aug 2026 Under Assessment — 13
28 Elizabeth Street Artarmon 2064
DAM-2026/97
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 14 Aug 2026 Determined
22 Sep 2026
$274,591 1
1 69 Eastern Valley Way Castlecrag 2068
DA-2026/155
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation 12 Aug 2026 Additional Information Requested $450,000 2
258 Boundary Street Castle Cove 2069
DAM-2026/95
Dwelling house; Erection of a new structure 11 Aug 2026 Under Assessment $219,585 1
57 Sunnyside Crescent Castlecrag 2068
DA-2026/142
Dwelling house; Alterations or additions to an existing building or structure 10 Aug 2026 Under Assessment $682,000 1
43 Lamette Street Chatswood 2067
DA-2026/154
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation 7 Aug 2026 Under Assessment $960,757 —
14 Probate Street Naremburn 2065
DA-2026/149
Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah; Cabanas, cubby houses, ferneries, garden sheds, gazebos and greenhouses; Minor building alterations (internal); Minor building alterations (external); Stairway; Swimming pool 7 Aug 2026 Additional Information Requested $548,350 —
26 Smith Street Chatswood 2067
DA-2026/153
Advertising and signage; Erection of a new structure; Self storage units 6 Aug 2026 Additional Information Requested $15,922,613 —
345 Victoria Avenue Chatswood 2067
DA-2026/150
Commercial development; Change of use of land or a building or the classification of a building under the Building Code of Australia; Retail Premise 3 Aug 2026 Under Assessment — —
1a Glover Street North Willoughby 2068
DAM-2026/94
Erection of a new structure; Balcony, deck, patio, terrace or verandah 3 Aug 2026 Determined
27 Aug 2026
$48,890 —
4 Adolphus Street Naremburn 2065
DA-2026/151
Erection of a new structure; Swimming pool 3 Aug 2026 Determined
7 Sep 2026
$105,000 —
372 Eastern Valley Way Chatswood 2067
DAM-2026/93
Change of use of land or a building or the classification of a building under the Building Code of Australia; Recreation facility (indoor) 3 Aug 2026 Determined
3 Sep 2026
— —
5 Smith Road Artarmon 2064
DA-2026/152
Subdivision; Erection of a new structure; Dual occupancy (attached) 3 Aug 2026 Additional Information Requested $1,085,159 2
47 Mooney Street Lane Cove North 2066
DA-2026/148
Dwelling house; Alterations or additions to an existing building or structure; Swimming pool; Residential Accommodation; Supporting Development 31 Jul 2026 Under Assessment $744,700 —
100 Sugarloaf Crescent Castlecrag 2068
DAM-2026/92
Dwelling house; Erection of a new structure 31 Jul 2026 Under Assessment $2,500,000 1
43 Kameruka Road Northbridge 2063
DA-2026/147
Demolition; Dwelling house; Erection of a new structure; Residential Accommodation 31 Jul 2026 Additional Information Requested $1,919,392 1
33 Macquarie Street Chatswood 2067
DA-2026/141
Dual occupancy; Medium Density Housing; Alterations or additions to an existing building or structure; Erection of a new structure; Dual occupancy (attached) 31 Jul 2026 Withdrawn $1,684,220 2
3 Muttama Road Artarmon 2064
DAM-2026/91
Dwelling house; Alterations or additions to an existing building or structure 29 Jul 2026 Determined
6 Aug 2026
— 1
728 Pacific Highway Chatswood 2067
DA-2026/145
Commercial development; Alterations or additions to an existing building or structure; Retail Premise; Vehicle Sales or Hire Premises 29 Jul 2026 Determined
31 Aug 2026
$330,000 —
14 Penshurst Street Willoughby 2068
DAM-2026/90
Multi-dwelling housing; Erection of a new structure; Fences 29 Jul 2026 Determined
21 Aug 2026
$25,000 8
11 Dickson Avenue Artarmon 2064
DA-2026/143
Signage; 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; Business identification sign; Recreation facility (indoor) 28 Jul 2026 Under Assessment $378,950 —
103 Eastern Valley Way Castlecrag 2068
DA-2026/144
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation 28 Jul 2026 Determined
17 Sep 2026
$379,050 1
109 Artarmon Road Artarmon 2064
DA-2026/146
Secondary dwelling; Erection of a new structure 28 Jul 2026 Additional Information Requested $342,725 1
9 Archer Street Chatswood 2067
DA-2026/140
Dwelling house; Alterations or additions to an existing building or structure 28 Jul 2026 Under Assessment $1,479,500 1
18 Fullers Road Chatswood 2067
DA-2026/133
Demolition; Subdivision; Erection of a new structure; Dual occupancy (attached) 27 Jul 2026 Under Assessment $1,650,000 2
45 Sydney Street Willoughby 2068
DAM-2026/88
Dwelling house; Alterations or additions to an existing building or structure 27 Jul 2026 Determined
3 Sep 2026
$1 1
24 Horsley Avenue North Willoughby 2068
DAM-2026/89
Dwelling house; Alterations or additions to an existing building or structure 27 Jul 2026 Determined
16 Sep 2026
$550,000 1
126 Penshurst Street Willoughby
DA-2026/139
Shop top housing; Erection of a new structure 24 Jul 2026 Additional Information Requested $8,202,000 20
21 Hinkler Crescent Lane Cove North 2066
DAM-2026/87
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation 24 Jul 2026 Determined
5 Aug 2026
— 1
46 Smith Road Artarmon 2064
DA-2026/138
Alterations or additions to an existing building or structure; Residential Accommodation 24 Jul 2026 Determined
10 Sep 2026
$46,200 —
688 Pacific Highway Chatswood 2067
DAM-2026/86
Shop top housing; Commercial development; Erection of a new structure; Retail Premise 24 Jul 2026 Additional Information Requested $20,700,000 26
339 Mowbray Road, Chatswood
DA-2026/137
Alterations or additions to an existing building or structure; Earthworks, retaining walls and structural support 24 Jul 2026 Additional Information Requested $2,766,379 —
315 Penshurst Street North Willoughby 2068
DAM-2026/83
Pub; Alterations or additions to an existing building or structure 23 Jul 2026 Determined
3 Aug 2026
— —
47 Upper Cliff Avenue Northbridge 2063
DAM-2026/85
Dwelling house; Erection of a new structure 23 Jul 2026 Under Assessment $445,000 1
345 Victoria Avenue Chatswood 2067
DAM-2026/84
Change of use of land or a building or the classification of a building under the Building Code of Australia; Recreation facility (indoor) 22 Jul 2026 Determined
14 Sep 2026
— —
5 Cleland Road Artarmon 2064
DA-2026/136
Subdivision 21 Jul 2026 Determined
21 Sep 2026
$15,000 —

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.