Development applications in Baulkham Hills, NSW 2153

125 development applications were lodged for properties in Baulkham Hills from Oct 2025 to Sep 2026. What is being built, how much of it is housing, and where each application stands.

Latest council activity: 18 Sept 2026

Applications lodged

125

incl. 28 modifications

Decided

27 still in progress

New dwellings proposed

333

stated on applications

Declared construction value

$199.0M

across 80 applications

Applications lodged each month

Oct 2025 to Sep 2026. The latest month is month-to-date, and councils can publish applications a few weeks after lodgement.

10
Oct
12
Nov
16
Dec
5
Jan
6
Feb
14
Mar
4
Apr
8
May
16
Jun
13
Jul
15
Aug
6
Sep

What is being proposed

97 new applications by main type of work (modifications excluded).

New houses34
Alterations & additions22
Apartments & townhouses16
Commercial, industrial & community10
Pools, sheds, garages & decks5
Subdivisions5
Demolition only2
Dual occupancy & semi-detached2
Other & change of use1

Where applications stand

Status of the 125 applications lodged in the last 12 months.

Approved: 0
Determined (outcome not stated): 80
Refused: 0
Withdrawn or not accepted: 18
In progress: 27

Many council records only say an application was "determined", without saying whether it was approved, so those are shown separately rather than counted as approvals.

Largest projects in the last 12 months

Ranked by dwellings proposed, then declared construction cost.

10 Seven Hills Road
Demolition, Residential flat building, Erection of a new structure
In progress
Apartments & townhouses · Lodged 7 Aug 2026 · 121 dwellings · $20M–$100M
2 Rembrandt Drive
Demolition, Erection of a new structure, Co-living, Non-standard Housing, Residential Accommodation
In progress
Apartments & townhouses · Lodged 25 Aug 2026 · 79 dwellings · $5M–$20M
334-338 Windsor Road
Residential flat building
In progress
Apartments & townhouses · Lodged 9 Sept 2026 · 42 dwellings · $20M–$100M
37-43 Old Northern Road
Shop top housing, Subdivision
Determined
Apartments & townhouses · Lodged 20 May 2026 · 31 dwellings
22 Watkins Road
Demolition, Multi-dwelling housing, Erection of a new structure
Determined
Apartments & townhouses · Lodged 27 Mar 2026 · 5 dwellings · $1M–$5M

Most recent applications

The 30 most recent applications lodged in Baulkham Hills, newest first. Costs are shown as bands.

8 Vincent Street
Alterations or additions to an existing building or structure, Residential Accommodation
In progress
Alterations & additions · Lodged 18 Sept 2026 · Under $100K · Modification
10 Morley Court
Erection of a new structure, Minor building alterations (external)
In progress
Alterations & additions · Lodged 16 Sept 2026 · Under $100K
13 Arthur Street
Demolition, Multi-dwelling housing, Dwelling house, Subdivision, Erection of a new structure
In progress
Apartments & townhouses · Lodged 9 Sept 2026 · 3 dwellings · $1M–$5M
334-338 Windsor Road
Residential flat building
In progress
Apartments & townhouses · Lodged 9 Sept 2026 · 42 dwellings · $20M–$100M
33 Watkins Road
Subdivision
In progress
Subdivisions · Lodged 8 Sept 2026 · Under $100K
68 Cross Street
Dwelling house, Erection of a new structure, Residential Accommodation
In progress
New houses · Lodged 3 Sept 2026 · 1 dwelling · $500K–$1M
22 Yawung Avenue
Dwelling house, Erection of a new structure
In progress
New houses · Lodged 27 Aug 2026 · 1 dwelling · $1M–$5M
2 Rembrandt Drive
Demolition, Erection of a new structure, Co-living, Non-standard Housing, Residential Accommodation
In progress
Apartments & townhouses · Lodged 25 Aug 2026 · 79 dwellings · $5M–$20M
104 Gooden Drive
Demolition, Subdivision, Erection of a new structure, Multi-dwelling housing (terraces)
In progress
Apartments & townhouses · Lodged 21 Aug 2026 · 3 dwellings · $1M–$5M
4 Annette Place
Erection of a new structure, Earthworks, retaining walls and structural support, Fences
Withdrawn
Pools, sheds, garages & decks · Lodged 21 Aug 2026 · Under $100K
20 Brucedale Drive
Dwelling house, Alterations or additions to an existing building or structure
Determined
Alterations & additions · Lodged 18 Aug 2026 · $100K–$500K · Modification
31 Watkins Road
Dual occupancy, Erection of a new structure
In progress
Dual occupancy & semi-detached · Lodged 17 Aug 2026 · 2 dwellings · $1M–$5M
5 Braddock Place
Subdivision
In progress
Subdivisions · Lodged 14 Aug 2026 · Under $100K · Modification
375-383 Windsor Road
Advertising and signage, Alterations or additions to an existing building or structure, Shop
In progress
Commercial, industrial & community · Lodged 13 Aug 2026 · $1M–$5M · Modification
120 Old Northern Road
Erection of a new structure, Medical centre
In progress
Commercial, industrial & community · Lodged 10 Aug 2026 · $5M–$20M
10 Seven Hills Road
Demolition, Residential flat building, Erection of a new structure
In progress
Apartments & townhouses · Lodged 7 Aug 2026 · 121 dwellings · $20M–$100M
104 Gooden Drive
Demolition, Subdivision, Erection of a new structure, Multi-dwelling housing (terraces)
Withdrawn
Apartments & townhouses · Lodged 7 Aug 2026 · 3 dwellings · $1M–$5M
75 Cross Street
Subdivision
Determined
Subdivisions · Lodged 6 Aug 2026
10 Chadworth Place
Dwelling house, Alterations or additions to an existing building or structure
Determined
Alterations & additions · Lodged 5 Aug 2026 · $100K–$500K · Modification
5 Cook Street
Dwelling house, Erection of a new structure
Withdrawn
Apartments & townhouses · Lodged 3 Aug 2026 · 3 dwellings · $1M–$5M
518 Windsor Road
Alterations or additions to an existing building or structure, Health consulting room, Medical centre, Health services facility
In progress
Commercial, industrial & community · Lodged 3 Aug 2026 · $500K–$1M
56 Baulkham Hills Road
Demolition, Dwelling house, Erection of a new structure
In progress
New houses · Lodged 31 July 2026 · 2 dwellings · $1M–$5M
10 Baulkham Hills Road
Demolition, Residential flat building, Erection of a new structure
Withdrawn
Apartments & townhouses · Lodged 30 July 2026 · 121 dwellings · $20M–$100M
14-14A Karen Court
Dwelling house, Erection of a new structure
In progress
New houses · Lodged 29 July 2026 · 1 dwelling · $500K–$1M
50 Candowie Crescent
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
In progress
Alterations & additions · Lodged 28 July 2026 · $100K–$500K
21 Mcdougall Avenue
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
In progress
New houses · Lodged 28 July 2026 · 1 dwelling · $1M–$5M
120 Old Northern Road
Erection of a new structure, Medical centre
In progress
Commercial, industrial & community · Lodged 27 July 2026 · $5M–$20M
21 Mcdougall Avenue
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
Withdrawn
New houses · Lodged 20 July 2026 · 1 dwelling · $1M–$5M
2 Glanmire Road
Home business, Change of use of land or a building or the classification of a building under the Building Code of Australia
In progress
Other & change of use · Lodged 20 July 2026 · Under $100K
13 Edgar Street
Demolition, Multi-dwelling housing, Subdivision, Erection of a new structure, Residential Accommodation
In progress
Apartments & townhouses · Lodged 17 July 2026 · 3 dwellings · $1M–$5M

Application details as published by The Hills Shire Council, City of Parramatta Council. The council's own register is the authoritative record for any individual application.

Suburb profile

Baulkham Hills market data

Median prices, rental yield, growth, vacancy and properties for sale in Baulkham Hills.

Sales

Recently sold in Baulkham Hills

What buyers actually paid, days on market and recent sale prices in Baulkham Hills.

Development in Baulkham Hills: frequently asked questions

How many development applications were lodged in Baulkham Hills in the last 12 months?

125 development applications were lodged for properties in Baulkham Hills from Oct 2025 to Sep 2026. 28 were modifications to an earlier application. The busiest month was Dec 2025, with 16 applications.

What kind of development is happening in Baulkham Hills?

Of the new applications lodged in the last 12 months, the most common were new houses (34), alterations & additions (22), apartments & townhouses (16).

How many new homes are proposed in Baulkham Hills?

Applications lodged in Baulkham Hills in the last 12 months propose 333 new dwellings, counting new houses, granny flats, dual occupancies, townhouses and apartments where the application states a dwelling count. Withdrawn applications and modifications are excluded.

How many development applications in Baulkham Hills have been decided?

Of the 125 applications lodged in the last 12 months, 80 have a decision (80 recorded as determined without the outcome stated), 27 are still in progress and 18 were withdrawn or not accepted.

Which council assesses development applications in Baulkham Hills?

Applications for Baulkham Hills are lodged with The Hills Shire Council and City of Parramatta Council. Each council's public register is the authoritative record for any individual application.