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 |
|---|---|---|---|---|---|
| 41 Valley Road Hornsby 2077 DA/497/2026 |
Dwelling house; Alterations or additions to an existing building or structure | 27 May 2026 | Determined 27 Aug 2026 |
$211,132 | 1 |
| 21 Northumberland Avenue Mount Colah 2079 DA/56/2026/A |
Secondary dwelling; Erection of a new structure | 27 May 2026 | Determined 1 Jul 2026 |
$245,000 | 1 |
| 8 Coolabah Close Thornleigh 2120 DA/222/2024/D |
Dwelling house; Alterations or additions to an existing building or structure; Erection of a new structure | 27 May 2026 | Determined 11 Jun 2026 |
$15,000 | 1 |
| 9 San Remo Place Dural 2158 DA/482/2026 |
Demolition; Dwelling house; Erection of a new structure; Barbecues and other outdoor cooking structures; Carport; Swimming pool | 27 May 2026 | Additional Information Requested | — | 2 |
| 19 New Line Road West Pennant Hills 2125 DA/474/2026 |
Demolition; Erection of a new structure; Dual occupancy (attached) | 26 May 2026 | Determined 7 Sep 2026 |
$1,106,400 | 2 |
| 86 Woonona Avenue Wahroonga 2076 DA/467/2026 |
Demolition; Dwelling house | 26 May 2026 | Determined 23 Jul 2026 |
$23,700 | 1 |
| 136-138 Berowra Waters Road Berowra Heights 2082 DA/479/2026 |
Business premises; Commercial development; Change of use of land or a building or the classification of a building under the Building Code of Australia; Retail Premise; Shop | 26 May 2026 | Determined 27 Aug 2026 |
$19,800 | — |
| 2 2c Russell Avenue Wahroonga 2076 DA/478/2026 |
Dwelling house; Alterations or additions to an existing building or structure | 26 May 2026 | Determined 21 Aug 2026 |
$319,950 | 1 |
| 50 Cobah Road Fiddletown 2159 DA/462/2026 |
Dwelling house; Alterations or additions to an existing building or structure | 25 May 2026 | Determined 21 Aug 2026 |
$338,500 | 1 |
| 9 Brushwood Place Hornsby 2077 DA/496/2026 |
Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah | 25 May 2026 | Determined 14 Jul 2026 |
$54,890 | — |
| 4 Hewitt Avenue Wahroonga 2076 DA/461/2026 |
Erection of a new structure; Fences | 22 May 2026 | Withdrawn | $25,707 | — |
| 53 Bay Road Berrilee 2159 DA/441/2026 |
Shed; Erection of a new structure | 22 May 2026 | Additional Information Requested | $154,000 | — |
| 3b Redgrave Road Normanhurst 2076 DA/453/2026 |
Dwelling house; Erection of a new structure; Residential Accommodation | 22 May 2026 | Determined 22 Jul 2026 |
$814,550 | 1 |
| 3 Kilmory Place Mount Kuring-Gai 2080 DA/473/2026 |
Dwelling house; Alterations or additions to an existing building or structure | 22 May 2026 | Determined 8 Jul 2026 |
$19,600 | — |
| 22a Edwards Road Wahroonga 2076 DA/460/2026 |
Dwelling house; Alterations or additions to an existing building or structure; Driveways and hard stand spaces; Garage, carport or carparking space; Pathways and paving | 22 May 2026 | Determined 30 Jun 2026 |
$55,000 | 1 |
| 99 Barnetts Road Berowra Heights 2082 DA/440/2026 |
Shed; Erection of a new structure | 21 May 2026 | Determined 17 Aug 2026 |
$25,000 | — |
| 8 Stirling Court Castle Hill 2154 DA/1274/2025/A |
Alterations or additions to an existing building or structure; Swimming pool | 21 May 2026 | Determined 23 Jun 2026 |
$108,900 | — |
| 7-15 Gundah Road Mount Kuring-Gai 2080 DA/472/2026 |
Industrial development; Alterations or additions to an existing building or structure; General industry | 20 May 2026 | Determined 22 Jun 2026 |
$658,582 | — |
| 17 Lowanna Place Hornsby 2077 DA/1334/2021/C |
Dwelling house; Alterations or additions to an existing building or structure; Minor building alterations (external); Residential Accommodation; Supporting Development | 19 May 2026 | Additional Information Requested | $5,000 | 1 |
| 55 Boyd Avenue West Pennant Hills 2125 DA/454/2026 |
Secondary dwelling; Erection of a new structure | 19 May 2026 | Determined 26 Jun 2026 |
$247,464 | 1 |
| 5 Nunda Close Pennant Hills 2120 DA/451/2026 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 19 May 2026 | Additional Information Requested | $412,500 | 1 |
| 16 Heath Street Asquith 2077 DA/469/2026 |
Dwelling house; Erection of a new structure | 18 May 2026 | Withdrawn | $1,300,000 | 1 |
| 227 Peats Ferry Road Hornsby 2077 DA/422/2026 |
Demolition; Subdivision | 14 May 2026 | Determined 24 Aug 2026 |
$100,000 | — |
| 43 Cheltenham Road Cheltenham 2119 DA/1211/2025/A |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 14 May 2026 | Determined 24 Jun 2026 |
$1,257,300 | — |
| 9-11 Halls Road Galston 2159 DA/805/2022/C |
Subdivision | 14 May 2026 | Determined 22 Jun 2026 |
$20,000 | — |
| 14 Rawson Road Berowra 2081 DA/455/2026 |
Dwelling house; Alterations or additions to an existing building or structure | 14 May 2026 | Determined 17 Jun 2026 |
$390,500 | 1 |
| 18 Clinton Close Berowra Heights 2082 DA/439/2026 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure; Erection of a new structure | 13 May 2026 | Determined 7 Sep 2026 |
$220,000 | — |
| 9 Galston Road Hornsby 2077 DA/436/2026 |
Dwelling house; Alterations or additions to an existing building or structure | 13 May 2026 | Determined 24 Aug 2026 |
$45,000 | 1 |
| 715-717 Pacific Highway Mount Kuring-Gai 2080 DA/399/2026 |
Subdivision | 13 May 2026 | Under Assessment | $20,000 | — |
| 78 Pretoria Parade Hornsby 2077 DA/435/2026 |
Dwelling house; Alterations or additions to an existing building or structure | 13 May 2026 | Determined 3 Sep 2026 |
$683,000 | 1 |
| 633 Old Northern Road Dural 2158 DA/412/2026 |
Dwelling house; Erection of a new structure | 13 May 2026 | Additional Information Requested | $5,252,410 | 1 |
| 60 Meluca Crescent Hornsby Heights 2077 DA/434/2026 |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 13 May 2026 | Determined 9 Jun 2026 |
$770,384 | 1 |
| 34 Lyne Road Cheltenham 2119 DA/1398/2024/A |
Dwelling house; Alterations or additions to an existing building or structure | 13 May 2026 | Determined 5 Jun 2026 |
$657,800 | 1 |
| 86 Woonona Avenue Wahroonga 2076 DA/437/2026 |
Dwelling house; Erection of a new structure | 12 May 2026 | Determined 19 Aug 2026 |
$826,555 | 1 |
| 52-54 Yarrara Road Pennant Hills 2120 DA/661/2025/A |
Erection of a new structure; Balcony, deck, patio, terrace or verandah | 12 May 2026 | Determined 25 Jun 2026 |
$500,500 | — |
| 1551 Singleton Road Singletons Mill 2775 DA/1297/2024/A |
Demolition; Dwelling house; Erection of a new structure; Residential Accommodation | 12 May 2026 | Determined 15 May 2026 |
$2,882,000 | 1 |
| 263 Malton Road North Epping 2121 DA/1294/2025/A |
Dwelling house; Erection of a new structure | 12 May 2026 | Determined 13 May 2026 |
$744,757 | 1 |
| 39a Beecroft Road Beecroft 2119 DA/433/2026 |
Dwelling house; Erection of a new structure; Earthworks, retaining walls and structural support | 11 May 2026 | Determined 19 Aug 2026 |
$1,130,580 | 1 |
| 60 Clarinda Street Hornsby 2077 DA/392/2026 |
Alterations or additions to an existing building or structure; Driveways and hard stand spaces | 11 May 2026 | Withdrawn | $16,000 | — |
| 16 Isis Street Wahroonga 2076 DA/427/2026 |
Demolition; Dwelling house; Alterations or additions to an existing building or structure; Erection of a new structure; Garage, carport or carparking space | 11 May 2026 | Under Assessment | $442,200 | 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.