Development applications in Gymea Bay, NSW 2227
37 development applications were lodged for properties in Gymea Bay 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
37
incl. 6 modifications
Decided
21
13 still in progress
New dwellings proposed
8
stated on applications
Declared construction value
$15.1M
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.
- 4Oct
- 3Nov
- 3Dec
- 4Jan
- 1Feb
- 2Mar
- 2Apr
- 3May
- 1Jun
- 10Jul
- 2Aug
- 2Sep
What is being proposed
31 new applications by main type of work (modifications excluded).
- Alterations & additions21
- New houses6
- Commercial, industrial & community1
- Demolition only1
- Dual occupancy & semi-detached1
- Other & change of use1
Where applications stand
Status of the 37 applications lodged in the last 12 months.
- Approved
- 0
- Determined (outcome not stated)
- 21
- Refused
- 0
- Withdrawn or not accepted
- 3
- In progress
- 13
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.
- In progress
32 Barraran Street
Erection of a new structure, Dual occupancy (attached)
Dual occupancy & semi-detached · Lodged 13 July 2026 · 2 dwellings · $1M–$5M
- In progress
12 Coonong Road
Dwelling house, Erection of a new structure
New houses · Lodged 23 July 2026 · 1 dwelling · $1M–$5M
- Determined
23 Darryl Place
Dwelling house, Erection of a new structure
New houses · Lodged 13 Nov 2025 · 1 dwelling · $1M–$5M
- In progress
8 Flat Rock Road
Dwelling house, Erection of a new structure
New houses · Lodged 11 May 2026 · 1 dwelling · $500K–$1M
- Determined
15A Bunarba Road
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 13 Oct 2025 · 1 dwelling · $500K–$1M
Most recent applications
The 30 most recent applications lodged in Gymea Bay, newest first. Costs are shown as bands.
- In progress
302 Sylvania Road South
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 18 Sept 2026 · 1 dwelling · $500K–$1M
- Withdrawn
37 Coopernook Avenue
Alterations or additions to an existing building or structure, Garage, carport or carparking space
Alterations & additions · Lodged 16 Sept 2026 · Under $100K
- In progress
132 Ellesmere Road
Demolition, Erection of a new structure, Minor building alterations (external), Swimming pool
Alterations & additions · Lodged 6 Aug 2026 · $100K–$500K
- In progress
60 Ellesmere Road
Alterations or additions to an existing building or structure, Garage, carport or carparking space
Alterations & additions · Lodged 4 Aug 2026 · Under $100K
- In progress
133 Bunarba Road
Demolition, Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 31 July 2026
- In progress
12 Coonong Road
Dwelling house, Erection of a new structure
New houses · Lodged 23 July 2026 · 1 dwelling · $1M–$5M
- Withdrawn
132 Ellesmere Road
Demolition, Erection of a new structure, Minor building alterations (external), Swimming pool
Alterations & additions · Lodged 17 July 2026 · $100K–$500K
- Withdrawn
2 9 Alkaringa Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 16 July 2026 · $100K–$500K
- In progress
222 Gymea Bay Road
Demolition, Erection of a new structure, Driveways and hard stand spaces, Garage, carport or carparking space
Pools, sheds, garages & decks · Lodged 15 July 2026 · Under $100K · Modification
- In progress
222 Gymea Bay Road
Alterations or additions to an existing building or structure, Erection of a new structure, Balcony, deck, patio, terrace or verandah…
Alterations & additions · Lodged 15 July 2026 · $100K–$500K
- In progress
133 Bunarba Road
Demolition, Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 13 July 2026
- In progress
32 Barraran Street
Erection of a new structure, Dual occupancy (attached)
Dual occupancy & semi-detached · Lodged 13 July 2026 · 2 dwellings · $1M–$5M
- In progress
258A Ellesmere Road
Dwelling house, Erection of a new structure
New houses · Lodged 8 July 2026 · 1 dwelling · $500K–$1M · Modification
- In progress
256 Gymea Bay Road
Demolition, Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 2 July 2026 · $500K–$1M
- In progress
302 Sylvania Road South
Demolition, Dwelling house, Erection of a new structure
New houses · Lodged 12 June 2026 · 1 dwelling · $500K–$1M
- Determined
30 Valley Way
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 21 May 2026 · $100K–$500K
- In progress
8 Flat Rock Road
Dwelling house, Erection of a new structure
New houses · Lodged 11 May 2026 · 1 dwelling · $500K–$1M
- Determined
27 June Place
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 8 May 2026 · $100K–$500K
- Determined
19 Nulgarra Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 13 Apr 2026 · $500K–$1M
- Determined
17 Dents Place
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 2 Apr 2026 · $100K–$500K · Modification
- Determined
4 Rosemont Place
Erection of a new structure, Supporting Development
Other & change of use · Lodged 23 Mar 2026 · $100K–$500K · Modification
- Determined
32 Flat Rock Road
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 23 Mar 2026 · Under $100K
- Determined
20 Blue Gum Avenue
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 9 Feb 2026 · $100K–$500K
- Determined
21 Valley Way
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 30 Jan 2026 · $500K–$1M · Modification
- Determined
220 Gymea Bay Road
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation, Supporting Development
Alterations & additions · Lodged 19 Jan 2026 · Under $100K
- Determined
142 Ellesmere Road
Erection of a new structure, Recreation area, Infrastructure
Commercial, industrial & community · Lodged 8 Jan 2026 · Under $100K
- Determined
3 Rosemont Place
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 5 Jan 2026 · $100K–$500K
- Determined
131 Bunarba Road
Dwelling house, Hours of operation and trading
New houses · Lodged 15 Dec 2025 · 1 dwelling · Modification
- Determined
61 Bunarba Road
Alterations or additions to an existing building or structure, Balcony, deck, patio, terrace or verandah, Residential Accommodation
Alterations & additions · Lodged 2 Dec 2025 · Under $100K
- Determined
54 Alkaringa Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 1 Dec 2025 · $1M–$5M
Application details as published by Sutherland Shire Council. The council's own register is the authoritative record for any individual application.
Suburb profile
Gymea Bay market data
Median prices, rental yield, growth, vacancy and properties for sale in Gymea Bay.
Sales
Recently sold in Gymea Bay
What buyers actually paid, days on market and recent sale prices in Gymea Bay.
Development in Gymea Bay: frequently asked questions
How many development applications were lodged in Gymea Bay in the last 12 months?
37 development applications were lodged for properties in Gymea Bay from Oct 2025 to Sep 2026. 6 were modifications to an earlier application. The busiest month was Jul 2026, with 10 applications.
What kind of development is happening in Gymea Bay?
Of the new applications lodged in the last 12 months, the most common were alterations & additions (21), new houses (6), commercial, industrial & community (1).
How many new homes are proposed in Gymea Bay?
Applications lodged in Gymea Bay in the last 12 months propose 8 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 Gymea Bay have been decided?
Of the 37 applications lodged in the last 12 months, 21 have a decision (21 recorded as determined without the outcome stated), 13 are still in progress and 3 were withdrawn or not accepted.
Which council assesses development applications in Gymea Bay?
Applications for Gymea Bay are lodged with Sutherland Shire Council. Its public register is the authoritative record for any individual application.