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Public government registers · last 12 months

Dual occupancy cost in Sydney (2026)

Sydney here means postcodes 2000-2249, 2555-2574, 2740-2786.

Middle
A$1,047,006
Middle half
A$850,000 - A$1,400,000

2600 applications with a declared cost, lodged between 2025-09-23 and 2026-09-23

Most recent application in this sample lodged 2026-09-13.

The 12 months before that

Middle A$1,000,000, over 57 applications.

Councils inside Sydney

CouncilApplicationsMiddle
Canterbury-Bankstown Council421A$1,000,000
Ryde City Council266A$1,100,000
Sutherland Shire Council238A$1,100,000
Cumberland Council227A$1,156,060
City of Parramatta Council208A$1,200,000
Blacktown City Council139A$900,000
Penrith City Council110A$825,812
Fairfield City Council94A$950,894
Northern Beaches Council86A$1,532,075
Campbelltown City Council74A$902,844
Georges River Council74A$1,134,864
Randwick City Council73A$1,200,000
City of Canada Bay Council72A$1,200,000
Bayside Council69A$1,100,000
Liverpool City Council66A$900,000
The Hills Shire Council51A$1,287,260
Ku-ring-gai Council42A$1,000,000
Willoughby City Council38A$1,250,000
Camden Council36A$900,000
The Council of the Shire of Hornsby32A$1,202,500
Waverley Council29A$1,672,223
Wollondilly Shire Council27A$596,102
Woollahra Municipal Council18A$1,863,677
Burwood Council17A$1,000,000
Inner West Council17A$1,000,000
Hawkesbury City Council14A$741,000
North Sydney Council13A$1,542,823
Strathfield Municipal Council11A$1,175,000
The Council of the Municipality of Hunters Hill10A$1,300,000
Blue Mountains City Council9A$599,100
Council of the City of Sydney8A$1,110,885

Finished projects in Sydney

  • Cronulla Boutique Duplex Villa
  • Sylvania Duplex Young Jewel
  • Badham Avenue Luxury Duplex, Mosman
  • Peakhurst Duplex Facade Design
  • CDC Approval for Oatley Duplex
  • Matraville Duplex Development Certification Project

Dual occupancy on your block: type your address to see whether it is allowed · Check this block

A declared cost of works is the applicant’s own estimate, filed so the council can work out a lodgement fee. It is not a contract price. Under the official definition it covers design and construction and excludes GST and the land.

Data from the states public planning registers and licence rolls · refreshed 2026-09-14 · Data and licences

Other project types in Sydney

  • Granny flat
  • Knockdown rebuild
  • Townhouses
  • New house
  • Alterations and additions

Dual occupancy in other regions

  • Central Coast
  • Newcastle and Hunter
  • Wollongong and Illawarra
  • Regional NSW
Every region and project type

SeeBuilds

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Data+
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Language

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Legal

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Data is used under its publishers' open licences; see Data and licences.

© 2026 SeeBuilds