Designated development (NSW)

Designated development in NSW is the DA category under section 4.18 of the Environmental Planning and Assessment Act 1979 (NSW) for high-impact development, requiring a mandatory 28-day public notification period, newspaper advertising, and granting third-party appeal rights to the Land and Environment Court (LEC). It is the most procedurally heavyweight DA category short of state-significant development (SSD). The list of designated development types is set in the EP&A Regulation 2021 Schedule 3 and covers mines, quarries, intensive agriculture, certain industrial uses, and other significant-impact activities. Designated development rarely triggers on residential work but defines the high-impact end of the NSW DA notification spectrum. Verified per EP&A Act s4.18 and Reg 2021 Sch 3 (2026-05-23).

The NSW DA notification spectrum:

Category	Exhibition	Newspaper	Appeal rights
Standard local DA	14 days	No (unless CPP requires)	Applicant only
Advertised development	28 days	Yes (where CPP requires)	Applicant only
Designated development (this)	28 days	Yes (mandatory)	Third-party objector appeal rights to LEC
State-significant development (SSD)	28 days min	Yes	Applicant + sometimes third-party

The defining feature of designated development is third-party appeal rights. Anyone who lodged a submission during the public exhibition period can appeal the decision to the Land and Environment Court within 28 days of council’s determination, regardless of whether they have any property interest near the site.

Types of designated development (EP&A Reg 2021 Schedule 3):

Category	Examples
Mineral and aggregate extraction	Mines, quarries, sand mining, dredging
Intensive livestock	Feedlots over certain capacity, pig farms, poultry over thresholds
Industrial uses	Chemical plants, abattoirs, tanneries, certain manufacturing
Waste management	Landfills, transfer stations over capacity, waste-to-energy
Energy generation	Power stations, certain large solar / wind
Transport infrastructure	Major roads, freight terminals
Aviation	Airports, helipads in residential areas
Certain commercial activities	Brothels, sex services premises (some councils)

Residential triggers (rare):

Trigger	Designated reason
Boarding house / hostel over 60 beds	Sometimes; depends on zoning and site
Major retirement village	Designated in some councils
Subdivision creating > 25 lots	Some councils designate
Caravan park or holiday camp over capacity	Often designated

Most standard residential development (single dwelling, dual occupancy, secondary dwelling, multi-unit up to ~10 dwellings) is not designated. The exceptions sit above typical residential builder scope.

What designated development requires:

Requirement	Detail
Environmental Impact Statement (EIS)	Full EIS prepared by qualified consultant; addresses environmental, social, and economic impacts
Detailed engineering	Structural, hydrological, transport, acoustic, ecological
Public notification	28 days minimum, newspaper ad, site sign, letters to broader area
Submission analysis	Council must review and respond to every submission
Hearing if requested	Public hearing where 25+ objections received
Ministerial referral	Some designated types referred to Minister
Court appeal rights	Third parties can appeal council decision

Cost and timeline:

Phase	Duration	Indicative cost
EIS preparation	3-12 months	$50,000-$500,000+
Lodgement to public exhibition	1-2 months	$5,000-$50,000 (council fees)
Public exhibition	28 days	(Included in fees)
Submissions analysis + assessment	3-6 months	(Included)
Decision	Variable	(Included)
Appeal window	28 days after decision	(Court costs separate)
Total to decision	8-18 months typical	$60,000-$600,000+

For comparison, a standard residential DA runs $1,500-$5,000 in fees and 2-4 months.

The third-party appeal rights (the defining feature):

For a designated development DA:

Party	Appeal rights
Applicant	Standard appeal to LEC if refused or conditioned
Council	Standard appeal if dissatisfied with own decision (rare)
Objector	Third-party appeal rights to LEC within 28 days of council determination
Person aggrieved	Some statutory standing for those affected even without submission

The third-party appeal rights are unique. For a non-designated DA, neighbouring property owners or community groups have no standing to appeal a council approval (only the applicant can). For designated development, they can appeal an approval AND a refusal.

Cross-state equivalents:

State	Equivalent category
NSW	Designated development (this) under EP&A Act s4.18
VIC	EES (Environmental Effects Statement) under Environment Effects Act 1978
QLD	Impact-assessable development under Planning Act 2016
WA	EPA assessment under EP Act 1986 (significant impact)
SA	State-significant development under PDI Act

Common builder defects:

Misclassification at lodgement: builder lodges as standard DA, council reclassifies as designated, fresh EIS required.
No EIS prepared: lodgement refused as incomplete.
Public notification insufficient: re-notification + delay.
Missing the third-party appeal exposure: client surprised when neighbour group appeals an approval.

Builder takeaway:

For most residential, designated development is irrelevant. The category exists; residential builders rarely encounter it.
For larger projects (subdivisions, retirement villages, large boarding houses), check Schedule 3 of the EP&A Regulation 2021 early to confirm classification.
If designated: budget 8-18 months and $60k+ in DA costs.
Don’t underestimate the third-party appeal exposure: an objector can derail a project even after council approval.

Also known as: Schedule 3 development; EIS development; s4.18 development; high-impact development; major project (informal).

Category: Approvals & DA.

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