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 |
465 applications lodged in 2026
| Address | What | Lodged | Status | Cost | Dwellings |
|---|---|---|---|---|---|
| 1 Brett Avenue Hornsby Heights 2077 DA/629/2026 |
Alterations or additions to an existing building or structure; Dual occupancy (attached) | 9 Jul 2026 | Under Assessment | $361,853 | 2 |
| 15 Alan Avenue Hornsby 2077 DA/824/2025/A |
Dwelling house; Alterations or additions to an existing building or structure | 8 Jul 2026 | Determined 14 Jul 2026 |
— | 1 |
| 4 Pulbrook Parade Hornsby 2077 DA/624/2026 |
Subdivision | 7 Jul 2026 | Determined 23 Sep 2026 |
$71,500 | — |
| 29 David Road Castle Hill 2154 DA/642/2026 |
Dwelling house; Erection of a new structure; Residential Accommodation | 7 Jul 2026 | Additional Information Requested | $630,159 | 1 |
| 39a Austral Avenue Beecroft 2119 DA/654/2026 |
Dwelling house; Erection of a new structure | 7 Jul 2026 | Under Assessment | $1,378,741 | 1 |
| 134 Burdett Street Wahroonga 2076 DA/1253/2025 |
Demolition; Subdivision; Seniors housing; Erection of a new structure | 7 Jul 2026 | Under Assessment | $9,017,452 | 10 |
| 44 Oakhill Drive Castle Hill 2154 DA/630/2026 |
Alterations or additions to an existing building or structure; Cabanas, cubby houses, ferneries, garden sheds, gazebos and greenhouses | 6 Jul 2026 | Determined 18 Aug 2026 |
$25,000 | — |
| 284 Castle Hill Road Castle Hill 2154 DA/669/2025/A |
Erection of a new structure; Landscaping structures; Pathways and paving; Sculptures and artworks | 6 Jul 2026 | Determined 28 Aug 2026 |
$1,463,000 | — |
| 25 Lords Avenue Asquith 2077 DA/135/2026 |
Erection of a new structure; Dual occupancy (attached); Residential Accommodation | 6 Jul 2026 | Deferred Commencement 3 Aug 2026 |
$1,332,741 | 2 |
| 284 Castle Hill Road Castle Hill 2154 DA/638/2026 |
Alterations or additions to an existing building or structure; Access ramp; Landscaping structures; Food and drink premise | 6 Jul 2026 | Determined 21 Sep 2026 |
$1,356,116 | — |
| 12 Roach Avenue Thornleigh 2120 DA/632/2026 |
Demolition; Erection of a new structure; Dual occupancy (detached) | 6 Jul 2026 | Additional Information Requested | $1,302,400 | 2 |
| 4a Poinciana Close Mount Colah 2079 DA/648/2026 |
Alterations or additions to an existing building or structure; Residential Accommodation | 3 Jul 2026 | Determined 25 Aug 2026 |
$369,149 | — |
| 395 Galston Road Galston 2159 DA/622/2026 |
Dwelling house; Erection of a new structure | 2 Jul 2026 | Additional Information Requested | $1,656,904 | 1 |
| 24 Clinton Close Berowra Heights 2082 DA/616/2026 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 2 Jul 2026 | Determined 24 Aug 2026 |
$308,560 | — |
| 17b Malton Road Beecroft 2119 DA/461/2025/A |
Dwelling house; Alterations or additions to an existing building or structure | 1 Jul 2026 | Under Assessment | — | 1 |
| 27 Balmoral Street Waitara 2077 DAR/593/2026 |
Demolition; Subdivision | 30 Jun 2026 | Additional Information Requested | $35,000 | — |
| 28 Salisbury Road Asquith 2077 DA/1349/2021/D |
Erection of a new structure; Storage premises | 29 Jun 2026 | Determined 17 Sep 2026 |
— | — |
| 17 Wearne Avenue Pennant Hills 2120 DA/621/2026 |
Dwelling house; Erection of a new structure | 29 Jun 2026 | Under Assessment | $961,047 | 1 |
| 1a Salmon Close Asquith 2077 DA/1378/2024/A |
Dwelling house; Erection of a new structure; Residential Accommodation | 29 Jun 2026 | Determined 16 Jul 2026 |
$1,100,000 | 1 |
| 30 Gilligans Road Dural 2158 DA/615/2026 |
Dwelling house; 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; Residential Accommodation | 29 Jun 2026 | Under Assessment | $1,375,000 | 1 |
| 17 Blackbutt Avenue Pennant Hills 2120 DA/619/2026 |
Alterations or additions to an existing building or structure; Residential Accommodation | 29 Jun 2026 | Under Assessment | $1,122,000 | — |
| 17 Binnari Road Hornsby Heights 2077 DA/586/2026 |
Erection of a new structure; Earthworks, retaining walls and structural support | 25 Jun 2026 | Under Assessment | $80,000 | — |
| 10 Caber Close Dural 2158 DA/609/2026 |
Dwelling house; Erection of a new structure; Earthworks, retaining walls and structural support | 25 Jun 2026 | Determined 3 Sep 2026 |
$923,417 | 1 |
| 27 Fiona Road Beecroft 2119 DA/834/2025/B |
Dwelling house; Alterations or additions to an existing building or structure | 25 Jun 2026 | Determined 3 Aug 2026 |
$637,670 | 1 |
| 30 Sydney Road Hornsby Heights 2077 DA/611/2026 |
Alterations or additions to an existing building or structure; Residential Accommodation; Supporting Development | 25 Jun 2026 | Determined 20 Jul 2026 |
$228,805 | — |
| 17-19 Mildred Avenue Hornsby 2077 DA/749/2022/B |
Demolition; Multi-dwelling housing; Erection of a new structure; Residential Accommodation | 25 Jun 2026 | Determined 30 Jun 2026 |
$3,783,603 | 11 |
| 140 Copeland Road Beecroft 2119 DA/604/2026 |
Dwelling house; Alterations or additions to an existing building or structure; Garage, carport or carparking space | 24 Jun 2026 | Determined 7 Sep 2026 |
$361,900 | — |
| 48 Ida Street Hornsby 2077 DA/144/2026/A |
Demolition; Dwelling house; Erection of a new structure | 24 Jun 2026 | Determined 14 Jul 2026 |
$648,600 | 1 |
| 79-81 Cobah Road Fiddletown 2159 DA/603/2026 |
Demolition; Educational establishment ; Alterations or additions to an existing building or structure; Erection of a new structure | 23 Jun 2026 | Under Assessment | — | — |
| 84 Sutherland Road Beecroft 2119 DA/595/2026 |
Secondary dwelling; Erection of a new structure | 23 Jun 2026 | Under Assessment | $152,900 | 1 |
| 14-18 Yallambee Road Berowra 2081 DA/614/2026 |
Demolition; Subdivision | 23 Jun 2026 | Under Assessment | $191,400 | — |
| 98a Sutherland Road Beecroft 2119 DA/758/2010/H |
Subdivision | 23 Jun 2026 | Determined 25 Jun 2026 |
— | — |
| 52 Duffy Avenue Thornleigh 2120 DA/564/2026 |
Demolition; Subdivision; Erection of a new structure; Driveways and hard stand spaces | 20 Jun 2026 | Under Assessment | $88,000 | — |
| 170a Copeland Road Beecroft 2119 DA/1146/2025/A |
Dwelling house; Alterations or additions to an existing building or structure; Garage, carport or carparking space | 19 Jun 2026 | Determined 24 Jun 2026 |
$775,170 | 1 |
| 38 Willunga Road Berowra 2081 DA/591/2026 |
Secondary dwelling; Erection of a new structure | 18 Jun 2026 | Under Assessment | $250,000 | 1 |
| 19 Ingalara Avenue Wahroonga 2076 DA/528/2026 |
Alterations or additions to an existing building or structure; Residential Accommodation | 17 Jun 2026 | Withdrawn | $13,250 | — |
| 16 Pennant Hills Road Wahroonga 2076 DA/566/2026 |
Dwelling house; Subdivision; Residential Accommodation | 17 Jun 2026 | Additional Information Requested | $12,000 | — |
| 107 Yallambee Road Berowra 2081 DA/585/2026 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure | 17 Jun 2026 | Determined 11 Aug 2026 |
$352,000 | — |
| 86 Sutherland Road Beecroft 2119 DA/589/2026 |
Dwelling house; Alterations or additions to an existing building or structure | 17 Jun 2026 | Determined 26 Aug 2026 |
$750,000 | 1 |
| 8 Kenneth Place Dural 2158 DA/491/2025/A |
Dwelling house; Erection of a new structure | 16 Jun 2026 | Under Assessment | $1,045,762 | 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.