Development applications in Seaham, NSW 2324
12 development applications were lodged for properties in Seaham 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
12
incl. 3 modifications
Decided
8
4 still in progress
New dwellings proposed
5
stated on applications
Declared construction value
$3.6M
across 9 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.
- 0Oct
- 1Nov
- 0Dec
- 1Jan
- 0Feb
- 3Mar
- 1Apr
- 2May
- 0Jun
- 1Jul
- 2Aug
- 1Sep
What is being proposed
9 new applications by main type of work (modifications excluded).
- Dual occupancy & semi-detached3
- Pools, sheds, garages & decks2
- Alterations & additions1
- Commercial, industrial & community1
- Granny flats1
- New houses1
Where applications stand
Status of the 12 applications lodged in the last 12 months.
- Approved
- 0
- Determined (outcome not stated)
- 8
- Refused
- 0
- Withdrawn or not accepted
- 0
- In progress
- 4
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
38 Dixon Street
Dwelling house, Erection of a new structure, Swimming pool
New houses · Lodged 1 May 2026 · 1 dwelling · $500K–$1M
- Determined
1 Giles Road
Dual occupancy, Shed, Erection of a new structure, Dual occupancy (detached), Swimming pool, Residential Accommodation
Dual occupancy & semi-detached · Lodged 22 Apr 2026 · 1 dwelling · $500K–$1M
- In progress
924 Seaham Road
Erection of a new structure, Dual occupancy (detached), Carport, Manufactured home
Dual occupancy & semi-detached · Lodged 20 Aug 2026 · 1 dwelling · $100K–$500K
- Determined
1 Montrose Close
Secondary dwelling, Erection of a new structure
Granny flats · Lodged 28 Jan 2026 · 1 dwelling · $100K–$500K
- Determined
18 Still Street
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 23 Mar 2026 · $100K–$500K
Most recent applications
The 27 applications lodged in Seaham, newest first. Costs are shown as bands.
- In progress
1 Montrose Close
Secondary dwelling, Erection of a new structure
Granny flats · Lodged 4 Sept 2026 · 1 dwelling · $100K–$500K · Modification
- In progress
1 Brechin Close
Secondary dwelling, Alterations or additions to an existing building or structure
Granny flats · Lodged 31 Aug 2026 · 1 dwelling · Under $100K · Modification
- In progress
924 Seaham Road
Erection of a new structure, Dual occupancy (detached), Carport, Manufactured home
Dual occupancy & semi-detached · Lodged 20 Aug 2026 · 1 dwelling · $100K–$500K
- In progress
924 Seaham Road
Erection of a new structure, Dual occupancy (detached), Carport, Manufactured home
Dual occupancy & semi-detached · Lodged 28 July 2026 · 1 dwelling · $100K–$500K
- Determined
11A Giles Road
Demolition, Erection of a new structure, Swimming pool
Pools, sheds, garages & decks · Lodged 1 May 2026 · Under $100K
- Determined
38 Dixon Street
Dwelling house, Erection of a new structure, Swimming pool
New houses · Lodged 1 May 2026 · 1 dwelling · $500K–$1M
- Determined
1 Giles Road
Dual occupancy, Shed, Erection of a new structure, Dual occupancy (detached), Swimming pool, Residential Accommodation
Dual occupancy & semi-detached · Lodged 22 Apr 2026 · 1 dwelling · $500K–$1M
- Determined
18 Still Street
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 23 Mar 2026 · $100K–$500K
- Determined
38 Dixon Street
Alterations or additions to an existing building or structure, Home industry
Commercial, industrial & community · Lodged 12 Mar 2026 · Under $100K
- Determined
10 Alexander Drive
Shed, Erection of a new structure
Pools, sheds, garages & decks · Lodged 12 Mar 2026 · Under $100K
- Determined
1 Montrose Close
Secondary dwelling, Erection of a new structure
Granny flats · Lodged 28 Jan 2026 · 1 dwelling · $100K–$500K
- Determined
9 Regal Place
Shed, Erection of a new structure
Pools, sheds, garages & decks · Lodged 7 Nov 2025 · Under $100K · Modification
- Determined
11 Fisher Close
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 28 July 2025 · Under $100K · Modification
- Determined
1342 Clarence Town Road
Dwelling house, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 19 May 2025 · $100K–$500K
- Determined
1 Rabar Close
Erection of a new structure, Garage, carport or carparking space
Pools, sheds, garages & decks · Lodged 7 Feb 2025 · Under $100K
- Determined
1355 Clarence Town Road
Demolition, Shed, Erection of a new structure
Pools, sheds, garages & decks · Lodged 6 Feb 2025 · Under $100K
- Determined
38 Dixon Street
Shed, Temporary building, structure or use
Pools, sheds, garages & decks · Lodged 22 Jan 2025 · Modification
- Determined
17 Scott Street
Erection of a new structure, Swimming pool
Pools, sheds, garages & decks · Lodged 7 Nov 2024 · Under $100K
- Determined
10 South Esk Drive
Secondary dwelling, Erection of a new structure
Granny flats · Lodged 22 Oct 2024 · 1 dwelling · $100K–$500K
- Determined
16 Still Street
Erection of a new structure, Earthworks, retaining walls and structural support
Pools, sheds, garages & decks · Lodged 16 Sept 2024 · Modification
- Determined
1367 Clarence Town Road
Alterations or additions to an existing building or structure, Earthworks, retaining walls and structural support
Alterations & additions · Lodged 3 Sept 2024 · Under $100K
- Determined
1339 Clarence Town Road
Dwelling house, Alterations or additions to an existing building or structure, Residential Accommodation
Alterations & additions · Lodged 3 Sept 2024 · $100K–$500K
- Determined
1 Brechin Close
Secondary dwelling, Change of use of land or a building or the classification of a building under the Building Code of Australia
Granny flats · Lodged 2 Sept 2024 · 1 dwelling · Under $100K
- Withdrawn
1 Alexander Drive
Shed, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 23 Aug 2024 · Under $100K · Modification
- Determined
23 South Esk Drive
Shed, Erection of a new structure
Pools, sheds, garages & decks · Lodged 22 Aug 2024 · Under $100K
- Determined
1C Giles Road
Erection of a new structure, Garage, carport or carparking space
Pools, sheds, garages & decks · Lodged 18 June 2024 · Under $100K
- Determined
1 Alexander Drive
Shed, Alterations or additions to an existing building or structure
Alterations & additions · Lodged 6 Dec 2023 · Under $100K
Application details as published by Port Stephens Council. The council's own register is the authoritative record for any individual application.
Suburb profile
Seaham market data
Median prices, rental yield, growth, vacancy and properties for sale in Seaham.
Sales
Recently sold in Seaham
What buyers actually paid, days on market and recent sale prices in Seaham.
Development in Seaham: frequently asked questions
How many development applications were lodged in Seaham in the last 12 months?
12 development applications were lodged for properties in Seaham from Oct 2025 to Sep 2026. 3 were modifications to an earlier application. The busiest month was Mar 2026, with 3 applications.
What kind of development is happening in Seaham?
Of the new applications lodged in the last 12 months, the most common were dual occupancy & semi-detached (3), pools, sheds, garages & decks (2), alterations & additions (1).
How many new homes are proposed in Seaham?
Applications lodged in Seaham in the last 12 months propose 5 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 Seaham have been decided?
Of the 12 applications lodged in the last 12 months, 8 have a decision (8 recorded as determined without the outcome stated), 4 are still in progress and 0 were withdrawn or not accepted.
Which council assesses development applications in Seaham?
Applications for Seaham are lodged with Port Stephens Council. Its public register is the authoritative record for any individual application.