Public government registers · last 12 months

Alterations and additions cost in Sydney (2026)

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

Middle: A$200,000
Middle half: A$70,000 - A$453,509

5747 applications with a declared cost, lodged between 2025-09-21 and 2026-09-21

Most recent application in this sample lodged 2026-09-11.

The 12 months before that

Middle A$201,645, over 117 applications.

Councils inside Sydney

Council	Applications	Middle
Northern Beaches Council	708	A$306,819
Inner West Council	508	A$300,000
Sutherland Shire Council	357	A$198,000
Woollahra Municipal Council	279	A$314,600
Randwick City Council	246	A$220,000
Council of the City of Sydney	241	A$319,000
Ku-ring-gai Council	237	A$206,800
The Hills Shire Council	233	A$109,332
The Council of the Shire of Hornsby	214	A$195,000
Canterbury-Bankstown Council	189	A$150,000
Blue Mountains City Council	186	A$128,500
Willoughby City Council	180	A$310,800
Blacktown City Council	175	A$150,000
Penrith City Council	173	A$149,500
Waverley Council	159	A$345,400
City of Parramatta Council	146	A$150,000
Bayside Council	145	A$198,000
Georges River Council	143	A$200,000
Mosman Municipal Council	122	A$620,354
City of Canada Bay Council	109	A$261,951
North Sydney Council	103	A$350,000
Cumberland Council	101	A$100,000
Liverpool City Council	101	A$67,800
Ryde City Council	100	A$146,775
Camden Council	88	A$89,294
Campbelltown City Council	84	A$67,900
Lane Cove Municipal Council	83	A$300,000
Wollondilly Shire Council	83	A$63,700
Hawkesbury City Council	75	A$95,150
Fairfield City Council	60	A$125,000
The Council of the Municipality of Hunters Hill	51	A$249,700
Burwood Council	40	A$229,000
Strathfield Municipal Council	25	A$200,000

Finished projects in Sydney

Maroubra Second Storey Addition RenovationCost not published
Rozelle Freestanding Terrace House Renovation and ExtensionCost not published
North Narrabeen Waterfront Residence RenovationCost not published
Waverton House Modern Renovation ProjectCost not published
Haberfield Historic Building RenovationCost not published
Naremburn Residential Renovation and Extension ProjectCost not published

Alterations and additions 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