Fences rules in Onkaparinga

Building a fence in Onkaparinga? City of Onkaparinga applies the South Australia planning framework. Here's what that means locally — plus the overlays worth checking on your specific block.

Fast-track available

Exempt from development approval up to 2.1 m

In South Australia a fence up to 2.1 m high is exempt from development approval, measured from the lower of the two adjoining finished ground levels. Masonry is the big exception - any part formed from masonry, including piers and columns, is only exempt to 1 m.

Onkaparinga: assessed by City of Onkaparinga under the South Australia rules below.

Approval pathway: Schedule 4 of the Planning, Development and Infrastructure (General) Regulations 2017 lists fences as exempt development within those heights. Exceed 2.1 m, use masonry above 1 m, build a swimming pool safety fence, or sit in an area where all development needs approval (heritage places, some flood and bushfire areas), and you need development approval from your council or a private certifier.

Key rules at a glance

Max height (front setback)	2.1 m applies generally, but no more than 1 m within 6 m of the intersection of two road-facing boundaries
Max height (side/rear)	2.1 m, measured from the lower of the two adjoining finished ground levels
Masonry limit	1 m - any part formed from masonry, including piers or columns, above 1 m needs development approval
Approval needed?	No development approval within those limits; otherwise a development application to council or a private certifier
Pool fence	Min 1.2 m, compliant with AS 1926.1 - a pool safety fence is never covered by the exemption and always needs approval
Dividing fence law	Fences Act 1975
Who pays?	Neighbours are normally each liable for half the cost of a dividing fence, on the basis that both get equal benefit

Overlays can change your eligibility

Heritage, flood and bushfire controls on your specific lot can remove the fast-track and require a full application — even when the general rules say you're fine.

HeritageFloodBushfire

Check your address for overlays →

Fences in Onkaparinga

City of Onkaparinga is the authority for Onkaparinga in Southern Adelaide. The statewide South Australia rules above set the baseline; the council can apply extra local controls, and heritage, flood or bushfire overlays on your lot can change what's allowed.

Visit City of Onkaparinga ↗ Full South Australia rules →

Frequently asked questions

Do I need council approval for a fence in Onkaparinga?

Often not. South Australia allows a fence to proceed without a full development application when it meets the standards, and City of Onkaparinga follows that framework. But local overlays — heritage, flood or bushfire — can remove the fast-track, so check your exact address before you rely on it.

Which council approves a fence in Onkaparinga?

City of Onkaparinga is the consent authority for Onkaparinga (Southern Adelaide). You can review local planning controls on the council website and lodge through your state planning portal.

How high can a fence be in SA without council approval?

Up to 2.1 m, measured from the lower of the two adjoining finished ground levels. A masonry fence, including masonry piers, is only exempt to 1 m.

Sources

Last reviewed: July 2026. Rules can change — verify with your council before starting work.

Related building rules

General guidance only — not professional planning advice. Local requirements in Onkaparinga can differ from the statewide summary and change over time; always confirm with City of Onkaparinga before starting work. Last reviewed: July 2026.

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