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
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

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.