Development applications in Castlecrag, NSW 2068
51 development applications were lodged for properties in Castlecrag from Oct 2025 to Sep 2026. What is being built, how much of it is housing, and where each application stands.
Latest council activity:
Applications lodged
51
incl. 20 modifications
Decided
33
11 still in progress
New dwellings proposed
4
stated on applications
Declared construction value
$21.4M
across 26 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.
- 8Oct
- 4Nov
- 2Dec
- 2Jan
- 2Feb
- 8Mar
- 4Apr
- 3May
- 7Jun
- 4Jul
- 5Aug
- 2Sep
What is being proposed
31 new applications by main type of work (modifications excluded).
- Alterations & additions22
- New houses6
- Pools, sheds, garages & decks2
- Other & change of use1
Where applications stand
Status of the 51 applications lodged in the last 12 months.
- Approved
- 1
- Determined (outcome not stated)
- 32
- Refused
- 0
- Withdrawn or not accepted
- 7
- In progress
- 11
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.
- Determined
359 Edinburgh Road
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 13 Nov 2025 · 1 dwelling · $1M–$5M
- In progress
21 Raeburn Avenue
Demolition, Dwelling house
New houses · Lodged 7 July 2026 · 1 dwelling · $1M–$5M
- Determined
21A Morotai Crescent
Dwelling house, Erection of a new structure
New houses · Lodged 8 Dec 2025 · 1 dwelling · $1M–$5M
- Determined
10 Charles Street
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 26 June 2026 · 1 dwelling · $100K–$500K
- Determined
4 Cheyne Walk
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 9 Mar 2026 · $1M–$5M
Most recent applications
The 30 most recent applications lodged in Castlecrag, newest first. Costs are shown as bands.
- In progress
57 The Bulwark
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 10 Sept 2026 · $100K–$500K
- In progress
40 The Rampart
Dwelling house, Alterations or additions to an existing building or structure, Driveways and hard stand spaces, Garage, carport or…
Alterations & additions · Lodged 8 Sept 2026 · $500K–$1M
- In progress
6 The Bastion
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 31 Aug 2026 · Under $100K
- In progress
2 The Tor Walk
Erection of a new structure, Carport, Earthworks, retaining walls and structural support, Landscaping structures
Pools, sheds, garages & decks · Lodged 17 Aug 2026 · $100K–$500K
- In progress
1 69 Eastern Valley Way
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 12 Aug 2026 · $100K–$500K
- In progress
57 Sunnyside Crescent
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 10 Aug 2026 · $500K–$1M
- Withdrawn
13 The Scarp
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 3 Aug 2026 · $100K–$500K
- In progress
100 Sugarloaf Crescent
Dwelling house, Erection of a new structure
New houses · Lodged 31 July 2026 · 1 dwelling · $1M–$5M · Modification
- Determined
103 Eastern Valley Way
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 28 July 2026 · $100K–$500K
- In progress
21 Raeburn Avenue
Demolition, Dwelling house
New houses · Lodged 7 July 2026 · 1 dwelling · $1M–$5M
- In progress
2 The Tor Walk
Erection of a new structure, Carport, Earthworks, retaining walls and structural support, Landscaping structures
Pools, sheds, garages & decks · Lodged 7 July 2026 · $100K–$500K
- Determined
10 Charles Street
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 26 June 2026 · 1 dwelling · $100K–$500K
- Determined
38 The Battlement
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 25 June 2026 · Under $100K · Modification
- In progress
52 Sugarloaf Crescent
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 16 June 2026 · $100K–$500K
- Determined
212 Edinburgh Road
Dwelling house, Alterations or additions to an existing building or structure, Balcony, deck, patio, terrace or verandah, Minor building…
Alterations & additions · Lodged 12 June 2026 · $500K–$1M
- Determined
14 Rockley Street
Alterations or additions to an existing building or structure, Driveways and hard stand spaces, Fences
Alterations & additions · Lodged 11 June 2026 · Under $100K
- Determined
216 Edinburgh Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 4 June 2026 · $500K–$1M
- In progress
2 The Rampart
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 3 June 2026 · $500K–$1M · Modification
- Determined
38 The Battlement
Alterations or additions to an existing building or structure, Swimming pool
Alterations & additions · Lodged 27 May 2026 · Under $100K · Modification
- Determined
8 Rockley Street
Demolition, Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 19 May 2026 · $500K–$1M · Modification
- Determined
343 Edinburgh Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 15 May 2026 · $1M–$5M · Modification
- Withdrawn
65 Sugarloaf Crescent
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 17 Apr 2026 · $500K–$1M · Modification
- Determined
23 The Bastion
Demolition, Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 15 Apr 2026 · $1M–$5M · Modification
- Determined
37 The Rampart
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 10 Apr 2026 · $1M–$5M
- Determined
273 Edinburgh Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 10 Apr 2026 · $500K–$1M · Modification
- Determined
96 The Bulwark
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 27 Mar 2026 · $500K–$1M · Modification
- Withdrawn
70 Linden Way
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 19 Mar 2026 · $1M–$5M · Modification
- Withdrawn
37 The Rampart
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 19 Mar 2026 · $1M–$5M
- Determined
17 Linden Way
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 18 Mar 2026 · $500K–$1M
- Withdrawn
10 Charles Street
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 17 Mar 2026 · 1 dwelling · $100K–$500K
Application details as published by Willoughby City Council. The council's own register is the authoritative record for any individual application.
Suburb profile
Castlecrag market data
Median prices, rental yield, growth, vacancy and properties for sale in Castlecrag.
Sales
Recently sold in Castlecrag
What buyers actually paid, days on market and recent sale prices in Castlecrag.
Development in Castlecrag: frequently asked questions
How many development applications were lodged in Castlecrag in the last 12 months?
51 development applications were lodged for properties in Castlecrag from Oct 2025 to Sep 2026. 20 were modifications to an earlier application. The busiest month was Oct 2025, with 8 applications.
What kind of development is happening in Castlecrag?
Of the new applications lodged in the last 12 months, the most common were alterations & additions (22), new houses (6), pools, sheds, garages & decks (2).
How many new homes are proposed in Castlecrag?
Applications lodged in Castlecrag in the last 12 months propose 4 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 Castlecrag have been decided?
Of the 51 applications lodged in the last 12 months, 33 have a decision (1 recorded as approved, 32 recorded as determined without the outcome stated), 11 are still in progress and 7 were withdrawn or not accepted.
Which council assesses development applications in Castlecrag?
Applications for Castlecrag are lodged with Willoughby City Council. Its public register is the authoritative record for any individual application.