Development applications — The Hills Shire Council
12,909 applications since 2019, proposing 83,734 new dwellings.
Largest by cost of works
| Address | What | Cost of works | Status |
|---|---|---|---|
| 40 Solent Circuit Norwest 2153 | Residential flat building; Change of use of land or a building or the classification of a building under the Building Code of Australia | $794,065,142 | Under Assessment |
| 40 Solent Circuit Norwest 2153 | Residential flat building; Change of use of land or a building or the classification of a building under the Building Code of Australia | $794,065,142 | Determined |
| 6-14 Castle Street Castle Hill | Entertainment facility; Alterations or additions to an existing building or structure; Recreation facility (indoor); Recreation facility (outdoor); Retail Premise | $712,079,811 | Under Assessment |
| 6-14 Castle Street Castle Hill | Mixed use development | $568,000,000 | Determined |
| 1 Castle Street Castle Hill 2154 | Demolition; Alterations and additions to commercial development; Mixed use development; Hotel or motel accommodation; Office premises; Retail premises | $568,000,000 | Withdrawn |
870 applications lodged in 2026
| Address | What | Lodged | Status | Cost | Dwellings |
|---|---|---|---|---|---|
| 35 Patterson Avenue Kellyville 2155 1594/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure | 16 Jun 2026 | Determined 4 Aug 2026 |
$777,630 | — |
| 141 Showground Road Castle Hill 2154 1596/2026/HA |
Industrial development; Change of use of land or a building or the classification of a building under the Building Code of Australia | 16 Jun 2026 | Determined 31 Jul 2026 |
$16,500 | — |
| 5 Browne Place Baulkham Hills 2153 1585/2026/LA |
Erection of a new structure; Earthworks, retaining walls and structural support | 16 Jun 2026 | Determined 15 Jul 2026 |
$50,000 | — |
| 34-36 Annangrove Road Kenthurst 2156 790/2025/LA/A |
Demolition; Erection of a new structure; Earthworks, retaining walls and structural support; Pathways and paving | 16 Jun 2026 | Determined 15 Jul 2026 |
$1,000,090 | — |
| 551 Wisemans Ferry Road Cattai 2756 1528/2026/ZD |
Subdivision | 15 Jun 2026 | Under Assessment | $1,100,000 | — |
| 41 Highbury Road North Kellyville 2155 1588/2026/LD |
Dwelling house; Erection of a new structure | 15 Jun 2026 | Determined 11 Aug 2026 |
$803,500 | 1 |
| 57 Middleton Avenue Castle Hill 2154 1589/2026/HA |
Boarding house; Erection of a new structure | 15 Jun 2026 | Withdrawn | $2,700,494 | 24 |
| 87 Showground Road Castle Hill 2154 1579/2026/HA |
Residential flat building; Erection of a new structure | 12 Jun 2026 | Under Assessment | $8,397,856 | 14 |
| 13 Moss Ridge Sackville North 2756 1591/2022/LD/A |
Dwelling house; Erection of a new structure | 12 Jun 2026 | Determined 28 Aug 2026 |
$739,140 | 1 |
| 7 Carinyah Crescent Castle Hill 2154 1582/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure | 12 Jun 2026 | Determined 23 Jul 2026 |
$48,048 | — |
| Fontana Drive Gables 2765 1584/2026/HA |
Signage; Advertising and signage | 12 Jun 2026 | Withdrawn | $35,750 | — |
| 86 Kenthurst Road Kenthurst 2156 1385/2023/HA/A |
Restaurant or cafe; Alterations or additions to an existing building or structure | 12 Jun 2026 | Determined 13 Jul 2026 |
$25,000 | — |
| 17 Dan Crescent Castle Hill 2154 1575/2026/HA |
Demolition; Erection of a new structure; Dual occupancy (detached) | 11 Jun 2026 | Additional Information Requested | $2,442,000 | 2 |
| 30 Walsh Avenue Castle Hill 2154 1538/2026/ZA |
Subdivision | 11 Jun 2026 | Withdrawn | $374,730 | — |
| 12 Patrick Avenue Castle Hill 2154 1577/2026/LD |
Dwelling house; Erection of a new structure; Swimming pool | 11 Jun 2026 | Under Assessment | $1,647,442 | 1 |
| 3-5 Gibbon Road Winston Hills 2153 237/2026/HA/A |
Demolition; Supporting Development | 11 Jun 2026 | Determined 15 Jul 2026 |
$587,232 | — |
| 114 Adelphi Street Rouse Hill 2155 1581/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure | 11 Jun 2026 | Determined 9 Jul 2026 |
$23,590 | — |
| 7 Manor Place Baulkham Hills 2153 1576/2026/LD |
Dwelling house; Erection of a new structure | 10 Jun 2026 | Determined 12 Aug 2026 |
$806,931 | 1 |
| 26a Watkins Road Baulkham Hills 2153 1566/2026/LA |
Dwelling house; Erection of a new structure | 10 Jun 2026 | Determined 7 Aug 2026 |
$20,000 | — |
| 3/-/Dp1314910 988/2022/JPZ/C |
Subdivision | 10 Jun 2026 | Determined 31 Jul 2026 |
— | — |
| 8 Volunteer Road Kenthurst 2156 1706/2025/LA/A |
Dwelling house; Alterations or additions to an existing building or structure | 10 Jun 2026 | Determined 21 Jul 2026 |
$500,500 | 1 |
| 9 Zed Place Maraylya 2765 1570/2026/LD |
Dwelling house; Erection of a new structure | 10 Jun 2026 | Determined 7 Jul 2026 |
$789,220 | 1 |
| 16 Alan Street Box Hill 2765 1181/2023/ZA/A |
Subdivision | 10 Jun 2026 | Determined 11 Sep 2026 |
— | — |
| 71 Showground Road Castle Hill 2154 1565/2026/HA |
Erection of a new structure; Multi-dwelling housing (terraces) | 9 Jun 2026 | Determined 10 Sep 2026 |
$2,945,470 | 5 |
| 23 Cary Street Baulkham Hills 2153 1568/2026/HA |
Dwelling house; Erection of a new structure; Residential Accommodation | 9 Jun 2026 | Determined 7 Aug 2026 |
$1,224,819 | 1 |
| 66 Mapleton Avenue North Kellyville 2155 1555/2026/LA |
Erection of a new structure; Swimming pool | 9 Jun 2026 | Determined 5 Aug 2026 |
$140,660 | — |
| 8 Aurora Street Box Hill 2765 1548/2026/ZE |
Dwelling house; Erection of a new structure; Residential Accommodation | 9 Jun 2026 | Determined 17 Jul 2026 |
$486,750 | 2 |
| Lot 10, Carina Street Box Hill Nsw 2765 1557/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 9 Jun 2026 | Determined 3 Jul 2026 |
$391,295 | 1 |
| 15 Attunga Street Baulkham Hills 2153 795/2026/LD/A |
Demolition; Dwelling house; Erection of a new structure; Residential Accommodation | 9 Jun 2026 | Determined 29 Jun 2026 |
$1,790,359 | 1 |
| Red Gables Road Gables 2765 1533/2026/ZB |
Subdivision | 9 Jun 2026 | Determined 15 Sep 2026 |
$7,054,293 | — |
| 54 Middleton Avenue Castle Hill 2154 1553/2026/LA |
Dwelling house; Erection of a new structure | 9 Jun 2026 | Rejected | $5,500 | — |
| 55 Shoplands Road Annangrove 2156 1549/2026/HA |
Secondary dwelling; Demolition; Dwelling house; Erection of a new structure; Residential Accommodation | 5 Jun 2026 | Determined 9 Sep 2026 |
$2,799,997 | 2 |
| 88 George Street Box Hill 2765 1564/2026/LD |
Dwelling house; Erection of a new structure | 5 Jun 2026 | Determined 3 Aug 2026 |
$444,000 | 1 |
| 3 Brookhollow Avenue Norwest 2153 1382/2025/JP/C |
Alterations or additions to an existing building or structure; High technology industry; Data centre | 5 Jun 2026 | Determined 30 Jul 2026 |
$93,180,778 | — |
| 5 Bloomfield Circuit Kellyville 2155 39/2025/LD/A |
Dwelling house; Erection of a new structure | 5 Jun 2026 | Determined 23 Jul 2026 |
$851,400 | 1 |
| 21 Connell Close Baulkham Hills 2153 923/2026/LA/A |
Dwelling house; Alterations or additions to an existing building or structure | 5 Jun 2026 | Determined 7 Jul 2026 |
$93,058 | — |
| 8 Vincent Street Baulkham Hills 2153 285/2026/HA/A |
Alterations or additions to an existing building or structure; Residential Accommodation | 5 Jun 2026 | Withdrawn | $65,000 | — |
| Marie Street Castle Hill 2154 691/2025/JP/A |
Erection of a new structure; School | 5 Jun 2026 | Determined 18 Jun 2026 |
— | — |
| 47 Jones Road Kenthurst 2156 1560/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure; Cabanas, cubby houses, ferneries, garden sheds, gazebos and greenhouses; Driveways and hard stand spaces; Earthworks, retaining walls and structural support; Garage, carport or carparking space; Swimming pool | 5 Jun 2026 | Rejected | $403,700 | 1 |
| 57 - 59 Darcey Road, Castle Hill Nsw 2154 1643/2020/ZA/B |
Subdivision | 4 Jun 2026 | Determined 27 Jul 2026 |
$15,000 | — |
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.