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 |
All applications, most recently lodged first
| Address | What | Lodged | Status | Cost | Dwellings |
|---|---|---|---|---|---|
| 36-56 David Road Castle Hill 2154 DA/1022/2021/B |
Subdivision | 16 Jan 2026 | Determined 6 Mar 2026 |
— | — |
| 449c Pennant Hills Road Pennant Hills 2120 DA/1/2026 |
Educational establishment ; Erection of a new structure; School; Infrastructure | 14 Jan 2026 | Determined 29 Apr 2026 |
$2,378,560 | — |
| 43 Wongala Crescent Beecroft 2119 DA/1417/2025 |
Educational establishment ; Alterations or additions to an existing building or structure; School | 14 Jan 2026 | Under Assessment | $48,177,827 | — |
| 104 Bay Road Berrilee 2159 DA/11/2026 |
Alterations or additions to an existing building or structure; Residential Accommodation | 14 Jan 2026 | Determined 11 Mar 2026 |
$586,756 | — |
| 8-12 Fagans Road Arcadia 2159 DA/509/2025/A |
Erection of a new structure; Group home (transitional) | 14 Jan 2026 | Determined 9 Feb 2026 |
$4,800,000 | 8 |
| 449d Pennant Hills Road Pennant Hills 2120 DA/2/2026 |
Demolition; Educational establishment ; School; Infrastructure | 14 Jan 2026 | Determined 5 Feb 2026 |
$61,512 | — |
| 52a Albert Road Beecroft 2119 DA/624/2025/A |
Dwelling house; Erection of a new structure; Residential Accommodation | 14 Jan 2026 | Determined 29 Jan 2026 |
$1,010,660 | 1 |
| 12 Karalee Road Galston 2159 DA/16/2026 |
Erection of a new structure; Swimming pool | 13 Jan 2026 | Determined 29 Apr 2026 |
$87,724 | — |
| 18 Adamson Avenue Thornleigh 2120 DA/773/2023/A |
Dwelling house; Alterations or additions to an existing building or structure | 13 Jan 2026 | Determined 27 Mar 2026 |
$356 | 1 |
| 20 Kethel Road Cheltenham 2119 DA/15/2026 |
Dwelling house; Alterations or additions to an existing building or structure | 13 Jan 2026 | Determined 20 Feb 2026 |
$132,000 | 1 |
| 36 Wall Avenue Asquith 2077 DA/18/2026 |
Dwelling house; Alterations or additions to an existing building or structure; Erection of a new structure | 13 Jan 2026 | Determined 19 Feb 2026 |
$355,300 | 1 |
| 78 Boundary Road Pennant Hills 2120 DA/1193/2023/A |
Subdivision | 13 Jan 2026 | Determined 3 Feb 2026 |
$25,000 | — |
| 40 Rosamond Street Hornsby 2077 DA/1427/2025 |
Dwelling house; Erection of a new structure | 12 Jan 2026 | Determined 12 Feb 2026 |
$885,642 | 1 |
| 20a Low Street Mount Kuring-Gai 2080 DA/10/2026 |
Dwelling house; Alterations or additions to an existing building or structure; Erection of a new structure | 12 Jan 2026 | Determined 12 Feb 2026 |
$619,630 | 1 |
| 67 Beresford Road Thornleigh 2120 DA/1405/2023/C |
Dwelling house; Erection of a new structure | 12 Jan 2026 | Determined 13 Jan 2026 |
$750,000 | 1 |
| 61 Eastcote Road North Epping 2121 DA/1435/2025 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 10 Jan 2026 | Determined 8 Apr 2026 |
$247,500 | 1 |
| 1 Turner Road Berowra Heights 2082 DA/6/2026 |
Alterations or additions to an existing building or structure; Centre-based child care | 9 Jan 2026 | Determined 17 Jun 2026 |
$215,800 | — |
| 117 Pacific Highway Hornsby 2077 DA/7/2026 |
Advertising and signage; Alterations or additions to an existing building or structure; Recreation facility (indoor); Hours of operation and trading | 9 Jan 2026 | Withdrawn | $804,953 | — |
| 27 Cobbadah Avenue Pennant Hills 2120 DA/3/2026 |
Erection of a new structure; Landscaping structures; Pathways and paving; Swimming pool | 9 Jan 2026 | Determined 27 Feb 2026 |
$236,346 | — |
| 47 Baldwin Avenue Asquith 2077 DA/1068/2025/C |
Alterations or additions to an existing building or structure; Garage, carport or carparking space | 7 Jan 2026 | Determined 6 Feb 2026 |
$66,000 | — |
| 83 Crosslands Road Galston 2159 DA/1008/2023/B |
Dwelling house; Erection of a new structure | 6 Jan 2026 | Determined 15 Apr 2026 |
— | 1 |
| 15 Beresford Road Thornleigh 2120 DA/1390/2025 |
Dual occupancy; Alterations or additions to an existing building or structure; Dual occupancy (attached); Residential Accommodation | 6 Jan 2026 | Determined 5 Feb 2026 |
$178,300 | — |
| 6 Oakhill Drive Castle Hill 2154 DA/1383/2025 |
Subdivision | 5 Jan 2026 | Determined 25 Mar 2026 |
$3,300 | — |
| 24 Nirimba Avenue North Epping 2121 DA/1401/2025 |
Erection of a new structure; Dual occupancy (attached) | 5 Jan 2026 | Determined 19 May 2026 |
$1,319,570 | 2 |
| 10a York Street Beecroft 2119 DA/1360/2025 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 5 Jan 2026 | Determined 24 Mar 2026 |
$50,000 | — |
| 1/-/Dp1307776 DA/1412/2025 |
Dwelling house; Erection of a new structure; Earthworks, retaining walls and structural support; Supporting Development | 5 Jan 2026 | Determined 16 Feb 2026 |
$1,011,567 | 1 |
| 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 |
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.