Home builders in The Hills District
Baulkham Hills, Castle Hill, Cherrybrook, Glenhaven and West Pennant Hills — 5 suburbs mapped across 2 planning schemes.
The Hills District suburb by suburb
| Suburb | Residential zones | Height limit | Overlays |
|---|---|---|---|
| Baulkham Hills | R1 General, R2 Low Density, R3 Medium Density | 16m | 3 |
| Castle Hill | R1 General, R2 Low Density, R3 Medium Density | 10m | 4 |
| Cherrybrook | R2 Low Density, R4 High Density | — | 4 |
| Glenhaven | R2 Low Density, R3 Medium Density | — | 2 |
| West Pennant Hills | R2 Low Density, R3 Medium Density, R4 High Density | — | 4 |
Reading the table
- Heritage mapping runs from 37 in Baulkham Hills down to 4 in Glenhaven.
- 4 overlay families are mapped across the region; Castle Hill carries the most at 4.
- The 5 mapped suburbs cover 57 km² between them — Castle Hill is the largest at 19 km² and Glenhaven the smallest at 7.2 km².
What is mapped across The Hills District
Mapped in all 5: Heritage — Item - General.
| Mapped only in some suburbs | Where (in the suburb, not on a given block) |
|---|---|
| Heritage — Conservation Area - General | Baulkham Hills, Castle Hill, Cherrybrook and West Pennant Hills |
| Heritage — Item - Archaeological | Baulkham Hills, Castle Hill, Cherrybrook and West Pennant Hills |
| Heritage — Item - Landscape | Castle Hill, Cherrybrook, Glenhaven and West Pennant Hills |
Questions about building in The Hills District
Which council approves building work in The Hills District?
2: Baulkham Hills, Castle Hill, Glenhaven and West Pennant Hills with The Hills Shire Council; Cherrybrook with Hornsby Shire Council.
Which The Hills District suburb has the most planning constraints?
Castle Hill: 4 overlay families against 2 in Glenhaven.
What planning zones apply across The Hills District?
4: R1 General Residential, R2 Low Density Residential, R3 Medium Density Residential and R4 High Density Residential. Widest range: Baulkham Hills, at 4.
Is heritage mapped in The Hills District?
Heritage records intersecting each suburb: Baulkham Hills 37, Castle Hill 33, West Pennant Hills 19, Cherrybrook 17, Glenhaven 4.
What is the minimum lot size across The Hills District?
Baulkham Hills: 1000-1999 m² minimum; Castle Hill: 2000-2999 m² minimum; Cherrybrook: 500-524 m² minimum; Glenhaven: 2000-2999 m² minimum; West Pennant Hills: 2000-2999 m² minimum.
Lodge with: Baulkham Hills, Castle Hill, Glenhaven and West Pennant Hills with The Hills Shire Council (The Hills Local Environmental Plan 2019); Cherrybrook with Hornsby Shire Council (Hornsby Local Environmental Plan 2013). Read 2026-09-14.