Development applications in Double Bay, NSW 2028

91 development applications were lodged for properties in Double 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: 17 Sept 2026

Applications lodged

incl. 50 modifications

Decided

18 still in progress

New dwellings proposed

125

stated on applications

Declared construction value

$374.7M

across 32 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.

9
Oct
9
Nov
9
Dec
4
Jan
7
Feb
6
Mar
6
Apr
7
May
5
Jun
15
Jul
7
Aug
7
Sep

What is being proposed

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

Alterations & additions14
Apartments & townhouses11
Commercial, industrial & community11
New houses2
Subdivisions2
Pools, sheds, garages & decks1

Where applications stand

Status of the 91 applications lodged in the last 12 months.

Approved: 0
Determined (outcome not stated): 62
Refused: 0
Withdrawn or not accepted: 11
In progress: 18

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.

351 New South Head Road
Demolition, Residential flat building, Subdivision, Erection of a new structure
Determined
Apartments & townhouses · Lodged 14 Oct 2025 · 24 dwellings · $20M–$100M
34-36 Ocean Avenue
Demolition, Residential flat building, Erection of a new structure
In progress
Apartments & townhouses · Lodged 15 Sept 2026 · 19 dwellings · $20M–$100M
21 Carlotta Road
Demolition, Residential flat building, Subdivision, Erection of a new structure
In progress
Apartments & townhouses · Lodged 17 Feb 2026 · 19 dwellings · $20M–$100M
52 Manning Road
Demolition, Residential flat building, Erection of a new structure, Change of use of land or a building or the classification of a building…
Determined
Apartments & townhouses · Lodged 2 Dec 2025 · 18 dwellings · $5M–$20M
2 Cooper Street
Demolition, Residential flat building, Subdivision, Erection of a new structure
Determined
Apartments & townhouses · Lodged 12 Nov 2025 · 17 dwellings · $20M–$100M

Most recent applications

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

33 Cross Street
Demolition, Shop top housing, Entertainment facility, Hotel or motel accommodation, Erection of a new structure, Recreation facility…
In progress
Apartments & townhouses · Lodged 16 Sept 2026 · 29 dwellings · Modification
1 2A Wallaroy Crescent
Alterations or additions to an existing building or structure, Residential Accommodation
In progress
Alterations & additions · Lodged 15 Sept 2026 · $100K–$500K · Modification
34-36 Ocean Avenue
Demolition, Residential flat building, Erection of a new structure
In progress
Apartments & townhouses · Lodged 15 Sept 2026 · 19 dwellings · $20M–$100M
Bay Street
Restaurant or cafe, Alterations or additions to an existing building or structure, Food and drink premise
In progress
Commercial, industrial & community · Lodged 11 Sept 2026 · $500K–$1M · Modification
55 William Street
Residential flat building, Subdivision, Alterations or additions to an existing building or structure, Change of use of land or a building…
In progress
Subdivisions · Lodged 9 Sept 2026 · $5M–$20M · Modification
42 18 Bay Street
Residential flat building, Alterations or additions to an existing building or structure
In progress
Alterations & additions · Lodged 9 Sept 2026 · $500K–$1M · Modification
19-27 Bay Street
Commercial development, Erection of a new structure
In progress
Commercial, industrial & community · Lodged 8 Sept 2026 · $5M–$20M · Modification
55B Carlotta Road
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
In progress
New houses · Lodged 31 Aug 2026 · 1 dwelling · $1M–$5M · Modification
29 Manning Road
Alterations or additions to an existing building or structure, Semi-detached dwelling, Residential Accommodation
In progress
Dual occupancy & semi-detached · Lodged 27 Aug 2026 · $1M–$5M · Modification
55B Carlotta Road
Demolition, Dwelling house, Erection of a new structure, Residential Accommodation
Withdrawn
New houses · Lodged 24 Aug 2026 · 1 dwelling · $1M–$5M
12 Castra Place
Dwelling house, Alterations or additions to an existing building or structure
Determined
Alterations & additions · Lodged 24 Aug 2026 · Under $100K
2A Castra Place
Dwelling house, Alterations or additions to an existing building or structure
In progress
Alterations & additions · Lodged 12 Aug 2026 · Modification
19-27 Cross Street
Shop top housing, Hours of operation and trading
Determined
Apartments & townhouses · Lodged 7 Aug 2026
Shop 3, 5 Knox St
Alterations or additions to an existing building or structure, Retail Premise
Determined
Commercial, industrial & community · Lodged 6 Aug 2026 · Under $100K
3 523 New South Head Road
Residential flat building, Alterations or additions to an existing building or structure, Residential Accommodation
Determined
Alterations & additions · Lodged 30 July 2026 · $1M–$5M
33 Cross Street
Entertainment facility, Hotel or motel accommodation, Commercial development, Alterations or additions to an existing building or…
In progress
Commercial, industrial & community · Lodged 30 July 2026 · $100M+
26 Carlotta Road
Dwelling house, Erection of a new structure, Garage, carport or carparking space
In progress
New houses · Lodged 27 July 2026 · 1 dwelling · $1M–$5M · Modification
3 Knox Street
Demolition, Commercial development, Office Premise, Erection of a new structure, Retail Premise, Shop
In progress
Commercial, industrial & community · Lodged 27 July 2026 · $1M–$5M
3 26A William Street
Alterations or additions to an existing building or structure, Minor building alterations (internal), Multi-dwelling housing (terraces)
Determined
Alterations & additions · Lodged 24 July 2026 · Modification
3 Wiston Gardens
Residential flat building, Alterations or additions to an existing building or structure
Determined
Alterations & additions · Lodged 23 July 2026 · Modification
3 10-12 Cooper Street
Alterations or additions to an existing building or structure, Residential Accommodation
Determined
Alterations & additions · Lodged 23 July 2026 · $500K–$1M
6 Epping Road
Erection of a new structure, Swimming pool
Determined
Pools, sheds, garages & decks · Lodged 22 July 2026 · $1M–$5M · Modification
16 Guilfoyle Avenue
Demolition, Dwelling house, Erection of a new structure
Determined
New houses · Lodged 22 July 2026 · 1 dwelling · $500K–$1M · Modification
18 Guilfoyle Avenue
Demolition, Dwelling house, Erection of a new structure
Determined
New houses · Lodged 22 July 2026 · 1 dwelling · $500K–$1M · Modification
12 Cross Street
Shop top housing, Erection of a new structure
Determined
Apartments & townhouses · Lodged 20 July 2026 · 5 dwellings · $5M–$20M · Modification
6 Epping Road
Erection of a new structure, Swimming pool
Withdrawn
Pools, sheds, garages & decks · Lodged 16 July 2026 · $1M–$5M · Modification
57 Cross Street
Dwelling house, Alterations or additions to an existing building or structure
In progress
Alterations & additions · Lodged 15 July 2026
14 Forest Road
Dwelling house, Alterations or additions to an existing building or structure, Balcony, deck, patio, terrace or verandah, Driveways and…
In progress
Alterations & additions · Lodged 10 July 2026 · $100K–$500K
14 Forest Road
Dwelling house, Alterations or additions to an existing building or structure, Balcony, deck, patio, terrace or verandah, Driveways and…
Withdrawn
Alterations & additions · Lodged 3 July 2026 · $1M–$5M
8 Cross Street
Shop top housing, Erection of a new structure, Retail Premise
Determined
Apartments & townhouses · Lodged 24 June 2026 · 7 dwellings · Modification

Application details as published by Woollahra Municipal Council. The council's own register is the authoritative record for any individual application.

Suburb profile

Double Bay market data

Median prices, rental yield, growth, vacancy and properties for sale in Double Bay.

Sales

Recently sold in Double Bay

What buyers actually paid, days on market and recent sale prices in Double Bay.

Development in Double Bay: frequently asked questions

How many development applications were lodged in Double Bay in the last 12 months?

91 development applications were lodged for properties in Double Bay from Oct 2025 to Sep 2026. 50 were modifications to an earlier application. The busiest month was Jul 2026, with 15 applications.

What kind of development is happening in Double Bay?

Of the new applications lodged in the last 12 months, the most common were alterations & additions (14), apartments & townhouses (11), commercial, industrial & community (11).

How many new homes are proposed in Double Bay?

Applications lodged in Double Bay in the last 12 months propose 125 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 Double Bay have been decided?

Of the 91 applications lodged in the last 12 months, 62 have a decision (62 recorded as determined without the outcome stated), 18 are still in progress and 11 were withdrawn or not accepted.

Which council assesses development applications in Double Bay?

Applications for Double Bay are lodged with Woollahra Municipal Council. Its public register is the authoritative record for any individual application.