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

465 applications lodged in 2026

AddressWhatLodgedStatusCostDwellings
1523 Old Northern Road Glenorie 2157
DA/787/2026
Dwelling house; Erection of a new structure; Residential Accommodation 7 Aug 2026 Additional Information Requested $833,010 1
23 Judson Road Thornleigh 2120
DA/753/2026
Secondary dwelling; Demolition; Erection of a new structure 6 Aug 2026 Under Assessment $150,947 1
9-11 Halls Road Galston 2159
DA/739/2026
Shed; Dwelling house; Alterations or additions to an existing building or structure; Driveways and hard stand spaces; Earthworks, retaining walls and structural support; Swimming pool 6 Aug 2026 Additional Information Requested $2,271,500 1
41 Knights Road Galston 2159
DA/751/2026
Secondary dwelling; Dwelling house; Change of use of land or a building or the classification of a building under the Building Code of Australia; Residential Accommodation 6 Aug 2026 Under Assessment $5,000 1
49 Nancy Place Galston 2159
DA/747/2026
Dwelling house; Alterations or additions to an existing building or structure 5 Aug 2026 Under Assessment $247,775 —
284 Castle Hill Road Castle Hill 2154
DA/115/2026
Demolition; Seniors housing; Independent living units; Erection of a new structure 4 Aug 2026 Under Assessment $50,810,000 46
386 Pennant Hills Road Pennant Hills 2120
DA/1194/2025/A
Advertising and signage; Alterations or additions to an existing building or structure; Service station; Electric vehicle facility 31 Jul 2026 Additional Information Requested $814,745 —
19 Riverview Avenue Dangar Island 2083
DA/741/2026
Alterations or additions to an existing building or structure; Supporting Development 31 Jul 2026 Under Assessment $44,440 —
36 David Road Castle Hill 2154
DA/1022/2021/D
Subdivision 31 Jul 2026 Determined
21 Sep 2026
$33,000 —
5 Sydney Road Hornsby Heights 2077
DA/705/2026
Dwelling house; Erection of a new structure; Residential Accommodation 30 Jul 2026 Under Assessment $1,082,521 1
266 Peats Ferry Road Hornsby 2077
DA/693/2026
Erection of a new structure; Awnings, blinds and canopies; Supporting Development 30 Jul 2026 Additional Information Requested $5,335 —
136 Riverview Avenue Dangar Island 2083
DA/800/2025/B
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation 28 Jul 2026 Determined
23 Sep 2026
$1,709,400 1
3 Duneba Drive Westleigh 2120
DA/386/2025/A
Demolition; Erection of a new structure; Balcony, deck, patio, terrace or verandah 28 Jul 2026 Determined
21 Sep 2026
$17,050 —
5 Crawford Road Mount Kuring-Gai 2080
DA/728/2026
Dual occupancy; Demolition; Alterations or additions to an existing building or structure; Erection of a new structure; Earthworks, retaining walls and structural support; Garage, carport or carparking space; Swimming pool 28 Jul 2026 Under Assessment $308,000 2
43 Quarry Road Dural 2158
DA/678/2026
Home business; Alterations or additions to an existing building or structure 28 Jul 2026 Additional Information Requested $117,000 —
93 Hancock Drive Cherrybrook 2126
DA/702/2026
Dual occupancy; Erection of a new structure; Residential Accommodation 28 Jul 2026 Additional Information Requested $1,080,000 2
4a Carrington Street Wahroonga 2076
DA/461/2023/A
Demolition; Dwelling house; Erection of a new structure 24 Jul 2026 Additional Information Requested $900,000 2
128-138 Pacific Highway Hornsby 2077
DA/731/2026
Signage; Advertising and signage; Business identification sign 24 Jul 2026 Determined
21 Sep 2026
$20,900 —
330-334 Galston Road Galston 2159
DA/850/2011/J
Alterations or additions to an existing building or structure; Tennis courts 23 Jul 2026 Determined
10 Sep 2026
$50,000,000 —
7 De Saxe Close Thornleigh 2120
DA/698/2026
Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah 23 Jul 2026 Determined
10 Sep 2026
$19,890 —
27 John Savage Crescent West Pennant Hills 2125
DA/703/2026
Demolition; Dwelling house; Subdivision; Erection of a new structure 22 Jul 2026 Under Assessment $1,496,071 2
58 Baldwin Avenue Asquith 2077
DA/668/2026
Demolition 21 Jul 2026 Determined
21 Aug 2026
— —
3 Bancroft Avenue West Pennant Hills 2125
DA/700/2026
Alterations or additions to an existing building or structure; Cabanas, cubby houses, ferneries, garden sheds, gazebos and greenhouses 21 Jul 2026 Under Assessment $128,290 —
152-156 Arcadia Road Arcadia 2159
DA/172/2024/A
Dwelling house; Erection of a new structure 20 Jul 2026 Under Assessment $15,275,000 1
26 Montview Parade Hornsby Heights 2077
DA/690/2026
Dwelling house; Alterations or additions to an existing building or structure 19 Jul 2026 Determined
18 Sep 2026
$480,989 1
3 Carters Road Dural 2158
DA/234/2026/A
Secondary dwelling; Shed; Erection of a new structure; Cabanas, cubby houses, ferneries, garden sheds, gazebos and greenhouses; Residential Accommodation 18 Jul 2026 Determined
18 Aug 2026
$3,300,000 1
16 Carob Place Cherrybrook 2126
DA/686/2026
Dwelling house; Alterations or additions to an existing building or structure 17 Jul 2026 Under Assessment $58,918 1
165 Galston Road, Hornsby Heights 2077
DA/687/2026
Dwelling house; Alterations or additions to an existing building or structure 15 Jul 2026 Determined
16 Sep 2026
$247,500 1
2 Warekila Close Berowra Heights 2082
DA/636/2026
Demolition; Dwelling house; Alterations or additions to an existing building or structure 15 Jul 2026 Determined
27 Aug 2026
$220,000 —
15 Rosella Street Dural 2158
DA/935/2025/A
Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah 15 Jul 2026 Determined
22 Jul 2026
$650,000 —
24 Hanover Avenue North Epping 2121
DA/682/2026
Dwelling house; Alterations or additions to an existing building or structure; Balcony, deck, patio, terrace or verandah 15 Jul 2026 Determined
15 Sep 2026
$490,000 1
20 Carters Road Dural 2158
DA/689/2026
Demolition; Dwelling house; Alterations or additions to an existing building or structure; Cabanas, cubby houses, ferneries, garden sheds, gazebos and greenhouses; Tennis courts; Swimming pool 14 Jul 2026 Under Assessment $880,000 1
395 Galston Road Galston 2159
DA/677/2026
Alterations or additions to an existing building or structure; Cabanas, cubby houses, ferneries, garden sheds, gazebos and greenhouses; Driveways and hard stand spaces; Landscaping structures; Pathways and paving; Swimming pool 13 Jul 2026 Additional Information Requested $809,600 —
2 Gilligans Road Dural 2158
DA/552/2017/D
Dwelling house; Erection of a new structure; Swimming pool 10 Jul 2026 Additional Information Requested $1,700,000 1
21 Palmerston Road Waitara 2077
DA/639/2026
Demolition; Dwelling house; Erection of a new structure 10 Jul 2026 Determined
1 Sep 2026
$850,000 1
82-84 King Road Hornsby 2077
DA/640/2026
Demolition; Dwelling house; Subdivision 10 Jul 2026 Under Assessment $100,000 —
21 Barkala Place Westleigh 2120
DA/674/2026
Dwelling house; Alterations or additions to an existing building or structure 10 Jul 2026 Under Assessment $117,150 1
16 Burdett Street Hornsby 2077
DA/237/2022/A
Hotel or motel accommodation; Pub; Alterations or additions to an existing building or structure 9 Jul 2026 Determined
20 Aug 2026
$134,090 —
4 Binya Close Hornsby Heights 2077
DA/669/2026
Alterations or additions to an existing building or structure; Erection of a new structure; Earthworks, retaining walls and structural support; Landscaping structures 9 Jul 2026 Determined
17 Sep 2026
$148,500 —
10 King Street Mount Kuring-Gai 2080
DA/667/2026
Subdivision 9 Jul 2026 Additional Information Requested $11,990 —

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.