Development applications — The Council of the Shire of Hornsby
5,679 applications since 2019, proposing 14,075 new dwellings.
Largest by cost of works
| Address | What | Cost of works | Status |
|---|---|---|---|
| 306a Malton Road North Epping 2121 | Dwelling house; Erection of a new structure | $406,475,143 | Determined |
| 284 Castle Hill Road Castle Hill 2154 | Other | $90,195,000 | Determined |
| 115 Norman Avenue Thornleigh 2120 | Demolition; Recreation area | $82,836,600 | Under Assessment |
| 115 Norman Avenue Thornleigh 2120 | Demolition; 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; Recreation facility (outdoor); Recreation area | $82,836,600 | Determined |
| 115 Norman Avenue Thornleigh 2120 | Demolition; Recreation area | $82,836,600 | Pending Lodgement |
609 applications lodged in 2025
| Address | What | Lodged | Status | Cost | Dwellings |
|---|---|---|---|---|---|
| 21-31 Central Avenue Thornleigh 2120 DA/1381/2025 |
Commercial development; Alterations or additions to an existing building or structure | 11 Dec 2025 | Determined 27 May 2026 |
$1,502,597 | — |
| 19 Beechwood Parade Cherrybrook 2126 DA/1377/2025 |
Dual occupancy; Demolition; Erection of a new structure; Dual occupancy (attached) | 11 Dec 2025 | Determined 13 May 2026 |
$1,375,000 | 2 |
| 76 Somerville Road Hornsby Heights 2077 DA/1382/2025 |
Dwelling house; Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah; Swimming pool | 11 Dec 2025 | Determined 21 Apr 2026 |
$678,700 | 1 |
| 16 Myrtle Street Normanhurst 2076 DA/1378/2025 |
Dwelling house; Alterations or additions to an existing building or structure | 11 Dec 2025 | Determined 2 Apr 2026 |
$867,103 | 1 |
| 24 Morgan Street Thornleigh 2120 DA/1376/2025 |
Alterations or additions to an existing building or structure; Earthworks, retaining walls and structural support | 11 Dec 2025 | Determined 9 Mar 2026 |
$52,250 | — |
| 16 Coolabah Close Thornleigh 2120 DA/1371/2025 |
Dwelling house; Alterations or additions to an existing building or structure | 10 Dec 2025 | Determined 30 Mar 2026 |
$451,000 | 1 |
| 8 Ingalara Avenue Wahroonga 2076 DA/1372/2025 |
Dwelling house; Alterations or additions to an existing building or structure | 10 Dec 2025 | Determined 23 Mar 2026 |
$220,000 | 1 |
| 50 Cobah Road Fiddletown 2159 DA/1367/2025 |
Dwelling house; Alterations or additions to an existing building or structure | 10 Dec 2025 | Withdrawn | $338,500 | 1 |
| 44 Landra Avenue Mount Colah 2079 DA/1373/2025 |
Alterations or additions to an existing building or structure; Residential Accommodation | 10 Dec 2025 | Determined 28 Jan 2026 |
$33,500 | — |
| 46b Lady Street Mount Colah 2079 DA/1361/2025 |
Dwelling house; Alterations or additions to an existing building or structure | 9 Dec 2025 | Determined 25 Feb 2026 |
$609,400 | — |
| 19 Highlands Avenue Wahroonga 2076 DA/1364/2025 |
Dwelling house; Alterations or additions to an existing building or structure | 9 Dec 2025 | Determined 4 Feb 2026 |
$359,700 | 1 |
| 62c Sutherland Road Beecroft 2119 DA/827/2025/A |
Dwelling house; Erection of a new structure | 9 Dec 2025 | Determined 14 Jan 2026 |
$924,000 | 1 |
| 228-234 Pacific Highway Hornsby 2077 DA/416/2020/C |
Residential care facility; Erection of a new structure | 9 Dec 2025 | Determined 16 Dec 2025 |
$41,800,000 | 83 |
| 12a Westwood Street Pennant Hills 2120 DA/1356/2025 |
Dwelling house; Erection of a new structure; Residential Accommodation | 8 Dec 2025 | Determined 5 May 2026 |
$828,054 | 1 |
| 81 Blackbutt Avenue Pennant Hills 2120 DA/1359/2025 |
Dwelling house; Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah | 8 Dec 2025 | Determined 20 Feb 2026 |
$166,100 | 1 |
| 34 Isis Street Wahroonga 2076 DA/1357/2025 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 8 Dec 2025 | Determined 12 Feb 2026 |
$190,000 | — |
| 14 Willarong Road Mount Colah 2079 DA/1355/2025 |
Dwelling house; Erection of a new structure | 8 Dec 2025 | Determined 27 Jan 2026 |
$932,987 | 1 |
| 20 Stewart Avenue Hornsby 2077 DA/1354/2025 |
Attached dwelling; Demolition; Dwelling house; Erection of a new structure; Residential Accommodation | 5 Dec 2025 | Determined 13 Apr 2026 |
$770,000 | 2 |
| 47 Chapman Avenue Beecroft 2119 DA/1349/2025 |
Secondary dwelling; Erection of a new structure | 5 Dec 2025 | Determined 23 Jan 2026 |
$162,401 | 1 |
| 22 Calabash Road Arcadia 2159 DA/1344/2025 |
Dwelling house; Erection of a new structure; Residential Accommodation | 4 Dec 2025 | Determined 12 Mar 2026 |
$205,700 | — |
| 22 Cheltenham Road Cheltenham 2119 DA/1343/2025 |
Alterations or additions to an existing building or structure; Earthworks, retaining walls and structural support; Emergency work and repairs; Pathways and paving | 3 Dec 2025 | Determined 2 Apr 2026 |
$30,000 | — |
| 6 Lymoore Avenue Thornleigh 2120 DA/1323/2025 |
Change of use of land or a building or the classification of a building under the Building Code of Australia; Light industry | 2 Dec 2025 | Deferred Commencement 17 Apr 2026 |
$14,150 | — |
| 31 Goodwyn Road Berowra 2081 DA/1325/2025 |
Erection of a new structure; Swimming pool | 2 Dec 2025 | Determined 27 Feb 2026 |
$65,000 | — |
| 17 Jenolan Close Hornsby Heights 2077 DA/226/2024/A |
Dwelling house; Alterations or additions to an existing building or structure | 2 Dec 2025 | Determined 27 Jan 2026 |
$583,000 | 1 |
| 8 Emu Place Hornsby Heights 2077 DA/1321/2025 |
Dwelling house; Erection of a new structure | 1 Dec 2025 | Determined 27 May 2026 |
$1,048,700 | 1 |
| 7 Fiona Road Beecroft 2119 DA/1318/2025 |
Dwelling house; Alterations or additions to an existing building or structure | 1 Dec 2025 | Deferred Commencement 20 Mar 2026 |
$250,530 | 1 |
| 5 Hibbertia Place Westleigh 2120 DA/65/2024/E |
Dwelling house; Erection of a new structure | 1 Dec 2025 | Withdrawn | $616,000 | 1 |
| 8 Muscios Road Glenorie 2157 DA/1316/2025 |
Erection of a new structure; Swimming pool | 1 Dec 2025 | Determined 4 Feb 2026 |
$204,995 | — |
| 18 Jennifer Place Cherrybrook 2126 DA/1317/2025 |
Dwelling house; Erection of a new structure | 1 Dec 2025 | Determined 20 Jan 2026 |
$533,152 | 1 |
| 50a The Esplanade Thornleigh 2120 DA/1312/2025 |
Demolition; Dwelling house; Erection of a new structure | 28 Nov 2025 | Determined 20 Mar 2026 |
$660,082 | 1 |
| 29 Campbell Avenue Normanhurst 2076 DA/1311/2025 |
Dwelling house; Erection of a new structure | 28 Nov 2025 | Determined 9 Mar 2026 |
$743,733 | 1 |
| 19 Hammond Avenue Normanhurst 2076 DA/1313/2025 |
Subdivision | 28 Nov 2025 | Determined 9 Feb 2026 |
$55,000 | — |
| 68 Pretoria Parade Hornsby 2077 DA/1309/2025 |
Dwelling house; Alterations or additions to an existing building or structure | 28 Nov 2025 | Determined 18 Dec 2025 |
$17,890 | — |
| 147 Purchase Road Cherrybrook 2126 DA/1307/2025 |
Dwelling house; Erection of a new structure; Residential Accommodation | 27 Nov 2025 | Determined 12 Feb 2026 |
$41,000 | 1 |
| 5 Silver Crescent Westleigh 2120 DA/923/2023/C |
Dwelling house; Erection of a new structure; Driveways and hard stand spaces; Earthworks, retaining walls and structural support | 27 Nov 2025 | Determined 18 Dec 2025 |
$1,560,000 | 1 |
| 20/-/7071 DA/1306/2025 |
Subdivision | 27 Nov 2025 | Determined 16 Dec 2025 |
$8,305,000 | — |
| 74a Sutherland Road Beecroft 2119 DA/1192/2022/A |
Subdivision | 26 Nov 2025 | Determined 8 Dec 2025 |
$229,469 | — |
| 53-119 Boundary Road Pennant Hills 2120 DA/586/2023/F |
Independent living units; Alterations or additions to an existing building or structure | 26 Nov 2025 | Determined 28 Nov 2025 |
$2,890,993 | 14 |
| 23 North Street Mount Colah 2079 DA/1300/2025 |
Dwelling house; Alterations or additions to an existing building or structure | 25 Nov 2025 | Determined 26 Feb 2026 |
$413,050 | — |
| Lot 22 Malton Road North Epping Nsw 2121 DA/1294/2025 |
Dwelling house; Erection of a new structure | 25 Nov 2025 | Determined 20 Feb 2026 |
$744,757 | 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.