Insights/Council Data

Granny flat applications by council

Secondary dwelling DA and CDC statistics for 102 NSW councils. 5,138 applications recorded in the NSW Planning Portal open dataset. Data generated on 2026-06-14.

Councils

102

Total applications

5,138

CDCs issued

3,179

DAs lodged

1,959

Fastest CDC processing

Councils with the shortest median CDC turnaround (minimum 10 CDCs)

#	Council	Median days	CDCs
1	Shellharbour	20d	16
2	Maitland	21d	156
3	Northern Beaches	21d	43
4	Cessnock	23d	60
5	Liverpool	24d	224
6	Penrith	25d	259
7	Wollondilly	25d	43
8	Blacktown	26d	478
9	Camden	26d	63
10	Port Stephens	26d	12

Highest CDC pathway usage

Councils where the largest share of granny flat applications use the CDC pathway (minimum 10 applications)

#	Council	CDC %	Total
1	Penrith	92.2%	281
2	Blacktown	86.9%	550
3	Maitland	86.2%	181
4	Liverpool	83%	270
5	Tamworth	82.2%	45
6	Fairfield	81.4%	345
7	Ballina	75.7%	37
8	City of Parramatta	75.2%	109
9	Campbelltown	74.4%	394
10	Armidale	74.3%	35

Lowest median CDC cost

Councils with the lowest self-reported median CDC build cost (minimum 10 CDCs)

#	Council	Median cost	CDCs
1	Liverpool	$152K	224
2	Blacktown	$159K	478
3	Penrith	$160K	259
4	Camden	$160K	63
5	Canterbury-Bankstown	$160K	247
6	City of Parramatta	$160K	82
7	Cumberland	$160K	140
8	Fairfield	$160K	281
9	Hawkesbury	$160K	16
10	The Hills	$160K	48

Most granny flat applications

Councils with the highest total secondary dwelling application volume

#	Council	Applications	CDC %
1	Blacktown	550	86.9%
2	Campbelltown	394	74.4%
3	Fairfield	345	81.4%
4	Canterbury-Bankstown	343	72%
5	Penrith	281	92.2%
6	Liverpool	270	83%
7	Central Coast	251	64.9%
8	Cumberland	238	58.8%
9	Wollondilly	184	23.4%
10	Maitland	181	86.2%

Rankings derived from NSW Planning Portal open data as of 2026-06-14. Cost is self-reported at lodgement. CDC time is median calendar days from submission to determination. Minimum sample size of 10 applications for ranking inclusion.

All councils — sorted by application volume

Council	Total	CDCs	DAs	CDC %	CDC time	Median cost
Blacktown	550	478	72	86.9%	26d	$159K
Campbelltown	394	293	101	74.4%	27d	$179K
Fairfield	345	281	64	81.4%	27d	$160K
Canterbury-Bankstown	343	247	96	72%	27d	$160K
Penrith	281	259	22	92.2%	25d	$160K
Liverpool	270	224	46	83%	24d	$152K
Central Coast	251	163	88	64.9%	40d	$185K
Cumberland	238	140	98	58.8%	29d	$160K
Wollondilly	184	43	141	23.4%	25d	$499K
Maitland	181	156	25	86.2%	21d	$555K
Lake Macquarie	166	78	88	47%	29d	$235K
Newcastle	113	27	86	23.9%	27d	$210K
City of Parramatta	109	82	27	75.2%	27d	$160K
Camden	105	63	42	60%	26d	$160K
Cessnock	102	60	42	58.8%	23d	$530K
The Hills	94	48	46	51.1%	30d	$160K
Wollongong	92	45	47	48.9%	26d	$179K
Northern Beaches	84	43	41	51.2%	21d	$200K
Georges River	77	42	35	54.5%	36d	$179K
Shoalhaven	66	40	26	60.6%	30d	$183K
The Council of the Shire of Hornsby	62	35	27	56.5%	31d	$176K
Wingecarribee	57	14	43	24.6%	69d	$226K
Bayside	52	12	40	23.1%	29d	$180K
Tamworth	45	37	8	82.2%	44d	$562K
Ryde	43	29	14	67.4%	48d	$200K
Tweed	41	5	36	12.2%	129d	$295K
Byron	39	4	35	10.3%	49d	$409K
Ballina	37	28	9	75.7%	56d	$627K
Mid-Coast	37	3	34	8.1%	27d	$150K
Armidale	35	26	9	74.3%	38d	$558K
Sutherland	35	15	20	42.9%	35d	$169K
Blue Mountains	33	7	26	21.2%	49d	$160K
Port Macquarie-Hastings	33	3	30	9.1%	71d	$195K
Shellharbour	33	16	17	48.5%	20d	$187K
Coffs Harbour	31	1	30	3.2%	54d	$676K
Port Stephens	31	12	19	38.7%	26d	$216K
Inner West	27	5	22	18.5%	47d	$169K
Hawkesbury	23	16	7	69.6%	57d	$160K
Goulburn Mulwaree	20	7	13	35%	42d	$414K
Wagga Wagga	20	9	11	45%	20d	$572K
Queanbeyan-Palerang	17	1	16	5.9%	53d	$948K
Ku-ring-gai	16	9	7	56.2%	47d	$240K
Bellingen	14	2	12	14.3%	54d	$356K
Clarence Valley	14	0	14	0%	-	-
Council of the City of Sydney	14	1	13	7.1%	98d	$200K
Willoughby	14	7	7	50%	26d	$140K
Bathurst	13	1	12	7.7%	42d	$90K
Mid-Western	13	1	12	7.7%	20d	$450K
Nambucca Valley	12	0	12	0%	-	-
Randwick	12	7	5	58.3%	27d	$227K
The Council of the Municipality of Kiama	12	3	9	25%	22d	$210K
Bega Valley	11	2	9	18.2%	66d	$255K
City of Canada Bay	11	8	3	72.7%	32d	$200K
Dubbo	10	2	8	20%	83d	$338K
Snowy Monaro	10	1	9	10%	142d	$700K
Burwood	9	6	3	-	78d	$169K
Orange	9	2	7	-	72d	$140K
Singleton	9	7	2	-	26d	$615K
Strathfield Municipal	9	5	4	-	31d	$207K
Griffith	8	5	3	-	27d	$375K
Hilltops	8	1	7	-	8d	$105K
Lithgow	8	2	6	-	98d	$138K
Eurobodalla	7	1	6	-	8d	$150K
Kempsey	7	0	7	-	-	-
Yass Valley	6	0	6	-	-	-
Albury	5	2	3	-	22d	$488K
Cowra	4	0	4	-	-	-
Leeton	4	1	3	-	9d	$305K
Lismore	4	0	4	-	-	-
Muswellbrook	4	2	2	-	170d	$232K
Richmond Valley	4	0	4	-	-	-
Snowy Valleys	4	0	4	-	-	-
Glen Innes Severn	3	0	3	-	-	-
Lane Cove Municipal	3	0	3	-	-	-
Murray River	3	0	3	-	-	-
Parkes	3	0	3	-	-	-
Temora	3	0	3	-	-	-
Tenterfield	3	0	3	-	-	-
The Council of the Municipality of Hunters Hill	3	0	3	-	-	-
Upper Hunter	3	2	1	-	68d	$659K
Waverley	3	0	3	-	-	-
Berrigan	2	0	2	-	-	-
Bland	2	0	2	-	-	-
Blayney	2	0	2	-	-	-
Federation	2	1	1	-	14d	$9K
Gunnedah	2	0	2	-	-	-
Gwydir	2	0	2	-	-	-
Inverell	2	0	2	-	-	-
Upper Lachlan	2	0	2	-	-	-
Wentworth	2	0	2	-	-	-
Broken Hill	1	0	1	-	-	-
Cabonne	1	0	1	-	-	-
Coonamble	1	0	1	-	-	-
Cootamundra-Gundagai	1	0	1	-	-	-
Dungog	1	0	1	-	-	-
Junee	1	0	1	-	-	-
Lachlan	1	1	0	-	16d	$182K
Liverpool Plains	1	0	1	-	-	-
Narrabri	1	0	1	-	-	-
Narrandera	1	0	1	-	-	-
Walgett	1	0	1	-	-	-
Woollahra Municipal	1	0	1	-	-	-

Source: NSW Planning Portal open data as of 2026-06-14. CDC % only shown for councils with 10+ applications. Cost is self-reported at lodgement. CDC time is median calendar days from submission to determination.

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This content is general information about NSW planning and property matters. It is not planning advice, legal advice, financial advice, or insurance advice, and should not be relied upon as a substitute for professional assessment. Planning controls and regulatory instruments change — verify current provisions at planning.nsw.gov.au and legislation.nsw.gov.au.