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development; Mixed use development; Hotel or motel accommodation; Office premises; Retail premises | $568,000,000 | Withdrawn |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 |
|---|---|---|---|---|---|
| 29 5 Gladstone Road Castle Hill 2154 628/2026/HA |
Warehouse or distribution centre; Change of use of land or a building or the classification of a building under the Building Code of Australia | 29 Oct 2025 | Determined 10 Feb 2026 |
— | — |
| 34 Celestial Street Box Hill Nsw 2765 625/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 29 Oct 2025 | Determined 20 Jan 2026 |
$349,773 | 1 |
| Lot 26, Celestial Street, Box Hill 2765 621/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 29 Oct 2025 | Determined 20 Jan 2026 |
$308,817 | 1 |
| 145 Kenthurst Road Kenthurst 2156 399/2025/LA/B |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 29 Oct 2025 | Determined 27 Nov 2025 |
$1,325,500 | — |
| 6 Sildor Court Kenthurst 2156 619/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure; Residential Accommodation | 28 Oct 2025 | Determined 5 Mar 2026 |
$85,000 | — |
| 8 Floyds Road South Maroota 2756 251/2025/HA/A |
Dwelling house; Erection of a new structure | 28 Oct 2025 | Determined 19 Feb 2026 |
$503,775 | 1 |
| 1 Ambleside Drive Castle Hill 2154 610/2026/LA |
Dwelling house; Alterations or additions to an existing building or structure | 28 Oct 2025 | Determined 16 Jan 2026 |
$300,000 | 1 |
| 15 Kuiper Street Box Hill 2765 477/2025/LA/A |
Dwelling house; Alterations or additions to an existing building or structure | 28 Oct 2025 | Determined 2 Dec 2025 |
$4,000 | — |
| 36 Stringer Road North Kellyville 2155 598/2026/LD |
Dwelling house; Erection of a new structure | 27 Oct 2025 | Determined 6 Feb 2026 |
$1,070,446 | 1 |
| 14 Wychwood Place Castle Hill 2154 614/2026/LA |
Erection of a new structure; Swimming pool | 27 Oct 2025 | Determined 16 Jan 2026 |
$55,450 | — |
| 14 Bindon Place Kellyville 2155 611/2026/HA |
Home business; Dwelling house; Change of use of land or a building or the classification of a building under the Building Code of Australia | 27 Oct 2025 | Determined 11 Dec 2025 |
— | 1 |
| 17 Seath Street Kellyville 2155 615/2026/LA |
Erection of a new structure; Balcony, deck, patio, terrace or verandah | 27 Oct 2025 | Determined 26 Nov 2025 |
$21,280 | — |
| 33 Jones Road Kenthurst 2156 1097/2025/LA/A |
Alterations or additions to an existing building or structure; Minor building alterations (internal); Minor building alterations (external) | 27 Oct 2025 | Determined 20 Nov 2025 |
$61,600 | — |
| 595 Withers Road Rouse Hill 2155 298/2025/HA/A |
Advertising and signage; Recreation facility (indoor) | 27 Oct 2025 | Rejected 8 Nov 2024 |
$5,999 | — |
| 3 Fallen Leaf Court West Pennant Hills 2125 356/2025/LD/A |
Dwelling house; Erection of a new structure; Residential Accommodation | 24 Oct 2025 | Determined 17 Feb 2026 |
$1,996,500 | 1 |
| 19 Bluegate Street Box Hill 2765 603/2026/LD |
Dwelling house; Erection of a new structure | 24 Oct 2025 | Determined 29 Jan 2026 |
$430,100 | 1 |
| 16 Wayfarer Road Gables 2765 600/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 23 Oct 2025 | Determined 6 Feb 2026 |
$799,920 | 1 |
| 19 Annabelle Crescent Kellyville 2155 605/2026/LA |
Erection of a new structure; Earthworks, retaining walls and structural support | 23 Oct 2025 | Determined 20 Jan 2026 |
$55,000 | — |
| 52 Almandin Street Gables 2765 601/2026/LD |
Dwelling house; Erection of a new structure | 23 Oct 2025 | Determined 6 Jan 2026 |
$604,727 | 1 |
| 23/-/1256674 161/2024/ZB/A |
Subdivision | 23 Oct 2025 | Determined 10 Dec 2025 |
— | — |
| 6 Trentham Street Box Hill 2765 31/2026/LD/A |
Dwelling house; Erection of a new structure; Residential Accommodation | 23 Oct 2025 | Determined 25 Nov 2025 |
$700,000 | 1 |
| 7 Mason Road Box Hill 2765 587/2026/ZA |
Subdivision | 22 Oct 2025 | Determined 15 Jul 2026 |
$805,750 | — |
| 23/-/Dp1256674 1584/2023/ZB/A |
Subdivision | 22 Oct 2025 | Determined 21 Aug 2026 |
— | — |
| 36 Indwarra Avenue North Kellyville 2155 604/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 22 Oct 2025 | Determined 19 Mar 2026 |
$1,202,701 | 1 |
| Red Gables Road Gables 2765 1335/2024/ZB/A |
Subdivision | 22 Oct 2025 | Determined 27 Feb 2026 |
— | — |
| 106 Turffontein Avenue Box Hill 2765 163/2025/LD/A |
Dwelling house; Erection of a new structure; Earthworks, retaining walls and structural support | 22 Oct 2025 | Determined 5 Dec 2025 |
$603,710 | 1 |
| 156 Constellation Avenue Box Hill 2765 594/2026/LD |
Dwelling house; Erection of a new structure | 21 Oct 2025 | Determined 4 Dec 2025 |
$842,600 | 1 |
| 158 Constellation Avenue Box Hill 2765 588/2026/LD |
Dwelling house; Erection of a new structure | 21 Oct 2025 | Determined 4 Dec 2025 |
$849,200 | 1 |
| 5 Cook Street Baulkham Hills 2153 562/2026/ZA |
Subdivision | 21 Oct 2025 | Withdrawn | $20,007 | — |
| 10 Sexton Avenue Castle Hill 2154 58/2020/JP/K |
Erection of a new structure; Residential Accommodation | 21 Oct 2025 | Determined 2 Dec 2025 |
— | — |
| 13 Peter Street Baulkham Hills 2153 586/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 20 Oct 2025 | Determined 12 Jan 2026 |
$789,861 | 1 |
| 5 Sandstone Heath Place Cattai 2756 590/2026/HC |
Dwelling house; Erection of a new structure; Earthworks, retaining walls and structural support | 20 Oct 2025 | Determined 15 Dec 2025 |
$987,400 | 1 |
| 24 Mulheron Avenue Baulkham Hills 2153 584/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 20 Oct 2025 | Determined 21 Nov 2025 |
$549,418 | 1 |
| 1 Kensei Street Gables 2765 582/2026/LD |
Dwelling house; Erection of a new structure; Swimming pool | 17 Oct 2025 | Determined 6 Mar 2026 |
$932,800 | 1 |
| 42 Range Road West Pennant Hills 2125 198/2024/LA/A |
Dwelling house; Alterations or additions to an existing building or structure | 17 Oct 2025 | Determined 4 Mar 2026 |
$400,950 | 1 |
| 17-17a Hilda Road Baulkham Hills 2153 453/2025/HA/A |
Demolition; Erection of a new structure; Centre-based child care | 17 Oct 2025 | Determined 24 Feb 2026 |
$4,324,686 | — |
| 30 Larissa Avenue West Pennant Hills 2125 578/2026/LA |
Erection of a new structure; Balcony, deck, patio, terrace or verandah; Swimming pool | 17 Oct 2025 | Determined 23 Dec 2025 |
$125,000 | — |
| 18 Almandin Street Gables 2765 581/2026/LD |
Dwelling house; Erection of a new structure | 17 Oct 2025 | Determined 28 Nov 2025 |
$980,000 | 1 |
| 46 Indwarra Avenue North Kellyville 2155 1063/2025/LD/A |
Dwelling house; Erection of a new structure | 16 Oct 2025 | Determined 14 Apr 2026 |
$1,357,675 | 1 |
| 32 Sarabah Street North Kellyville 2155 576/2026/LD |
Dwelling house; Erection of a new structure; Residential Accommodation | 16 Oct 2025 | Determined 19 Mar 2026 |
$970,724 | 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.