Development applications — The Council of the Shire of Hornsby

5,679 applications since 2019, proposing 14,075 new dwellings.

Largest by cost of works

AddressWhatCost of worksStatus
306a Malton Road North Epping 2121Dwelling house; Erection of a new structure$406,475,143Determined
284 Castle Hill Road Castle Hill 2154Other$90,195,000Determined
115 Norman Avenue Thornleigh 2120Demolition; Recreation area$82,836,600Under Assessment
115 Norman Avenue Thornleigh 2120Demolition; 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$82,836,600Determined
115 Norman Avenue Thornleigh 2120Demolition; Recreation area$82,836,600Pending Lodgement

All applications, most recently lodged first

AddressWhatLodgedStatusCostDwellings
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
26-32 Beaumont Road Mount Kuring-Gai 2080
DA/1302/2025
Advertising and signage; Change of use of land or a building or the classification of a building under the Building Code of Australia; Business identification sign; Vehicle repair station; Vehicle Sales or Hire Premises 25 Nov 2025 Determined
19 Jan 2026
$165,000 —
581 Old Northern Road Glenhaven 2156
DA/1295/2025
Dwelling house; Erection of a new structure 24 Nov 2025 Determined
9 Apr 2026
$1,504,608 1
10 Wayfield Road Glenhaven 2156
DA/1292/2025
Erection of a new structure; Tennis courts 24 Nov 2025 Determined
4 Mar 2026
$198,000 —
5 Karoo Crescent Hornsby Heights 2077
DA/1285/2025
Dwelling house; Alterations or additions to an existing building or structure 21 Nov 2025 Determined
19 Jan 2026
$120,000 1
5 Cliffview Road Berowra Heights 2082
DA/1283/2025
Dwelling house; Alterations or additions to an existing building or structure 21 Nov 2025 Determined
14 Jan 2026
$370,000 1
133 Cardinal Avenue West Pennant Hills 2125
DA/1164/2023/D
Dwelling house; Erection of a new structure 21 Nov 2025 Determined
4 Dec 2025
$1,419,500 2
6 Bay Road Arcadia 2159
DA/631/2024/B
Dwelling house; Alterations or additions to an existing building or structure 20 Nov 2025 Determined
19 Dec 2025
$1,441,268 1
4 Penrhyn Avenue Beecroft 2119
DA/1277/2025
Dwelling house; Alterations or additions to an existing building or structure 20 Nov 2025 Determined
18 Dec 2025
$108,163 —
19 Harper Street North Epping 2121
DA/592/2025/A
Subdivision 20 Nov 2025 Determined
26 Nov 2025
$80,300 —
61 The Corso Gorokan 2263
PAN-621613
Dwelling house; Alterations or additions to an existing building or structure — Cancelled
19 Nov 2025
$95,275 1
21 Rosemead Road Hornsby 2077
DA/1271/2025
Erection of a new structure; Garage, carport or carparking space 19 Nov 2025 Determined
26 Feb 2026
$95,950 —
8 Stirling Court, Castle Hill, Nsw 2154
DA/1274/2025
Erection of a new structure; Balcony, deck, patio, terrace or verandah; Barbecues and other outdoor cooking structures; Earthworks, retaining walls and structural support; Landscaping structures; Pathways and paving; Swimming pool; Supporting Development 19 Nov 2025 Determined
20 Feb 2026
$170,500 —
43 Bundarra Avenue Wahroonga 2076
DA/1269/2025
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation 19 Nov 2025 Determined
6 Feb 2026
$382,250 —
11 10 Playfair Road Mount Colah 2079
DA/1275/2025
Attached dwelling; Alterations or additions to an existing building or structure 19 Nov 2025 Determined
19 Jan 2026
$115,250 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.