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development; Mixed use development; Hotel or motel accommodation; Office premises; Retail premises | $568,000,000 | Withdrawn |
1,599 applications lodged in 2025
| Address | What | Lodged | Status | Cost | Dwellings |
|---|---|---|---|---|---|
| 138 Gibbs Road Kenthurst 2156 933/2026/ZD |
Subdivision | 24 Dec 2025 | Determined 17 Aug 2026 |
$2,992,528 | — |
| 8a Marina Road Baulkham Hills 2153 955/2026/LD |
Demolition; Dwelling house; Erection of a new structure; Swimming pool | 24 Dec 2025 | Determined 14 Apr 2026 |
$954,800 | 1 |
| 204 Terry Road Box Hill 2765 913/2026/ZE |
Subdivision; Erection of a new structure; Dual occupancy (detached) | 24 Dec 2025 | Determined 18 Mar 2026 |
$1,009,800 | 2 |
| 87 Showground Road Castle Hill 2154 954/2026/HA |
Residential flat building; Erection of a new structure; Driveways and hard stand spaces; Garage, carport or carparking space | 24 Dec 2025 | Withdrawn | $8,397,856 | 14 |
| 42 River Oak Circuit Kellyville 2155 926/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 24 Dec 2025 | Determined 11 Mar 2026 |
$12,375 | — |
| 10 Lunette Street Gables 2765 956/2026/LD |
Dwelling house; Erection of a new structure | 24 Dec 2025 | Determined 3 Mar 2026 |
$730,000 | 1 |
| 83 Crestwood Drive Baulkham Hills 2153 950/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 24 Dec 2025 | Determined 12 Feb 2026 |
$712,635 | 1 |
| 32 Civic Way Rouse Hill 2155 894/2026/ZC |
Subdivision | 24 Dec 2025 | Determined 30 Jan 2026 |
$10,000 | — |
| 2 Glenroy Place Middle Dural 2158 927/2026/HA |
Secondary dwelling; Erection of a new structure; Cabanas, cubby houses, ferneries, garden sheds, gazebos and greenhouses; Tennis courts; Swimming pool | 23 Dec 2025 | Determined 21 Aug 2026 |
$609,400 | 1 |
| 14 First Farm Drive Castle Hill 2154 946/2026/LD |
Demolition; Dwelling house; Erection of a new structure; Residential Accommodation | 23 Dec 2025 | Determined 22 Jun 2026 |
$1,817,660 | 1 |
| 10 Birch Grove Baulkham Hills 2153 940/2026/LA |
Demolition; Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 23 Dec 2025 | Determined 8 May 2026 |
$600,000 | 1 |
| 74 Stringer Road North Kellyville 2155 944/2026/LD |
Dwelling house; Erection of a new structure | 23 Dec 2025 | Determined 9 Apr 2026 |
$1,032,000 | 1 |
| 110 Tamboura Avenue Baulkham Hills 2153 953/2026/LD |
Dwelling house; Erection of a new structure | 23 Dec 2025 | Determined 8 Apr 2026 |
$895,721 | 1 |
| 16 Kaneruka Place Baulkham Hills 2153 943/2026/LA |
Erection of a new structure; Carport; Driveways and hard stand spaces; Residential Accommodation; Supporting Development | 23 Dec 2025 | Determined 2 Apr 2026 |
$27,500 | — |
| 5 Aplite Circuit Gables 2765 920/2026/LD |
Dwelling house; Erection of a new structure; Landscaping structures; Swimming pool | 23 Dec 2025 | Determined 31 Mar 2026 |
$1,490,000 | 1 |
| 21 Jumper Street Box Hill 2765 925/2026/LD |
Dwelling house; Erection of a new structure; Earthworks, retaining walls and structural support; Swimming pool | 23 Dec 2025 | Determined 17 Mar 2026 |
$445,830 | 1 |
| 47 Celestial Street Box Hill 2765 939/2026/LD |
Dwelling house; Erection of a new structure | 23 Dec 2025 | Determined 10 Mar 2026 |
$550,000 | 1 |
| 70 Charcoal Road South Maroota 2756 947/2026/LD |
Shed; Erection of a new structure; Earthworks, retaining walls and structural support | 23 Dec 2025 | Determined 3 Mar 2026 |
$690,000 | — |
| 2 Hilda Road Baulkham Hills 2153 907/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure | 23 Dec 2025 | Determined 25 Feb 2026 |
$232,100 | 1 |
| 34 Aaron Street Box Hill 2765 905/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 23 Dec 2025 | Determined 17 Feb 2026 |
$604,727 | 1 |
| 16 Shetland Street Box Hill 2765 928/2026/HA |
Dwelling house; Erection of a new structure | 23 Dec 2025 | Determined 10 Feb 2026 |
$864,234 | 1 |
| 61 Ursa Street Box Hill 2765 938/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 23 Dec 2025 | Withdrawn | $520,000 | 1 |
| 9a Janpieter Road Gables 2765 168/2024/LD/C |
Dwelling house; Erection of a new structure | 23 Dec 2025 | Determined 6 Feb 2026 |
$1,386,000 | 1 |
| 172 Glenhaven Road Glenhaven 2156 941/2026/JP |
Demolition; Dwelling house; Erection of a new structure; Medical centre; Centre-based child care | 22 Dec 2025 | Determined 17 Jun 2026 |
$19,134,060 | 1 |
| 10 Seven Hills Road Baulkham Hills 2153 910/2026/JP |
Residential flat building; Erection of a new structure | 22 Dec 2025 | Withdrawn | $74,530,972 | 118 |
| 22 Carnarvon Avenue Glenhaven 2156 935/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure | 22 Dec 2025 | Determined 4 Mar 2026 |
$443,592 | — |
| Lot 15 Carina Street Box Hill Nsw 2765 924/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 22 Dec 2025 | Determined 20 Mar 2026 |
$387,661 | 1 |
| 5 Oakland Avenue Baulkham Hills 2153 1455/2024/LA/A |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 22 Dec 2025 | Determined 13 Mar 2026 |
$346,500 | 1 |
| 26 Highlands Way Rouse Hill 2155 936/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure | 22 Dec 2025 | Determined 12 Mar 2026 |
$90,200 | 1 |
| 14 Coonardoo Place Castle Hill 2154 901/2026/LA |
Alterations or additions to an existing building or structure; Skylights, roof windows and ventilators | 22 Dec 2025 | Determined 17 Feb 2026 |
$175,000 | — |
| 59 Kingston Avenue Gables 2765 942/2026/LD |
Dwelling house; Erection of a new structure | 22 Dec 2025 | Determined 17 Feb 2026 |
$718,777 | 1 |
| 24 Candowie Crescent Baulkham Hills 2153 937/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure; Erection of a new structure; Driveways and hard stand spaces; Earthworks, retaining walls and structural support; Garage, carport or carparking space; Minor building alterations (internal); Minor building alterations (external); Swimming pool | 22 Dec 2025 | Determined 10 Feb 2026 |
$299,200 | 1 |
| 48 Almandin Street Gables 2765 930/2026/LD |
Dwelling house; Erection of a new structure; Earthworks, retaining walls and structural support | 22 Dec 2025 | Determined 3 Feb 2026 |
$718,177 | 1 |
| 21 Connell Close Baulkham Hills 2153 923/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure | 22 Dec 2025 | Determined 10 Feb 2026 |
$90,551 | — |
| Lot 33, Celestial Street, Box Hil 915/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 19 Dec 2025 | Determined 20 May 2026 |
$267,774 | 1 |
| 12 Hannah Street Box Hill 2765 878/2026/LD |
Dwelling house; Erection of a new structure; Swimming pool; Residential Accommodation | 19 Dec 2025 | Determined 17 Apr 2026 |
$770,000 | 1 |
| Lot 4, Capella Street, Box Hill Nsw 2145 911/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 19 Dec 2025 | Determined 24 Mar 2026 |
$346,059 | 1 |
| Lot 6, Carina Street Bo Hill Nsw 2145 916/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 19 Dec 2025 | Determined 20 Mar 2026 |
$365,519 | 1 |
| Lot 14, Carina Street, Box Hill Nsw 2765 912/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 19 Dec 2025 | Determined 19 Mar 2026 |
$367,726 | 1 |
| 1-5 Sackville Ferry Road South Maroota 2756 919/2026/LD |
Dwelling house; Alterations or additions to an existing building or structure; Change of use of land or a building or the classification of a building under the Building Code of Australia | 19 Dec 2025 | Determined 17 Mar 2026 |
$101,750 | 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.