Nene Valley flood map & planning overlays

A planning-constraint profile of Nene Valley (Southern Limestone Coast Council, SA) - 26.69 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 8 September 2026.

Elevation hillshade with street names, clipped to Nene Valley's boundary, with the flood, bushfire and environmental overlays drawn on top.

Nearby suburbs, nearest first

Nene Valley at a glance

Parcels 140 Median lot 829 m²

How Nene Valley is zoned

Rural 75%
Conservation 22%
Coastal Waters and Offshore Islands 2%
Rural Settlement 0%
Open Space 0%

Selling in Nene Valley? The zone and overlays on this page are the Planning and Design Code controls a Form 1 vendor's statement has to disclose.

Across its 26.69 km², Nene Valley is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 98% is flagged bushfire-prone. The dominant land-use zone is Rural. The median lot measures about 829 m² across 140 parcels.

Who lives in Nene Valley

Census 2021 figures published by the ABS for the Nene Valley suburb boundary itself, not a wider region.

Population
99
usual residents, 2021
Median age
56
years
Median household income
$1,812
per week, Southern Limestone Coast Council suburb typical $1,833
Median rent
$300
per week, Southern Limestone Coast Council suburb typical $200
Median mortgage
$1,200
per month
Household size
2.5
people, average

Socio-economic standing

ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.

Advantage and disadvantage (IRSAD) Decile 3
most disadvantagedleast disadvantaged

Score 938, and decile 3 within South Australia. The national average is 1000.

Relative disadvantage (IRSD) Decile 3
most disadvantagedleast disadvantaged

Age profile

Share of Nene Valley's 99 residents in each ABS age band.

0-4 4.0%
5-14 5.0%
15-19 4.0%
20-24 6.0%
25-34 10.0%
35-44 7.0%
45-54 8.0%
55-64 18.0%
65-74 28.0%
75-84 10.0%
85+ 0.0%

Population trend, 2001 to 2025

Estimated resident population of Grant, the wider ABS statistical area containing Nene Valley. There is no annual population series published at suburb level, so this describes the surrounding area rather than Nene Valley itself.

5,110 in 2001 to 6,505 in 2025, up 27%.

Source: ABS Census 2021 and SEIFA 2021 (Suburbs and Localities), Regional Population (SA2), CC BY 4.0. Small counts are randomly adjusted by the ABS.

Nene Valley data sources and coverage

“Not mapped” means we hold no source layer for this suburb - never an all-clear.

DatasetCoveragePublisher
Flood mappingMappedthe South Australian Planning and Design Code and Location SA spatial data
Bushfire-prone mappingMappedthe South Australian Planning and Design Code and Location SA spatial data
ZoningMappedthe South Australian Planning and Design Code and Location SA spatial data
Heritage and environmentMapped where publishedthe South Australian Planning and Design Code and Location SA spatial data
Aircraft noise contours (ANEF)Not heldthe South Australian Planning and Design Code and Location SA spatial data, Defence
Observed flight pathsWatched, not yet sampled hereadsb.lol, under the Open Database License
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)

Profile last materially updated 8 September 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.

Check a specific Nene Valley address

See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.

Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Nene Valley lot.

See what's in the $9 report →

Nene Valley planning - frequently asked

Is Nene Valley flood-prone?

Flood mapping covers Nene Valley and none of the suburb falls within a mapped flood overlay.

Is Nene Valley bushfire-prone?

Around 98% of Nene Valley is mapped as bushfire-prone, compared with a Southern Limestone Coast Council average of 98%.

What is the zoning in Nene Valley?

The dominant planning zone in Nene Valley is Rural, though the suburb also includes Conservation and Coastal Waters and Offshore Islands.

Does Nene Valley have heritage-listed places?

No heritage-listed places are on record within Nene Valley.

What is the typical lot size in Nene Valley?

Across 140 surveyed parcels in Nene Valley, the median lot size is about 829 m².

What is the population of Nene Valley?

At the 2021 Census Nene Valley had 99 usual residents, with a median age of 56 and an average household size of 2.5 people. The wider Grant statistical area, which contains Nene Valley, went from 5,110 people in 2001 to 6,505 in 2025, up 27%.

Is Nene Valley an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Nene Valley scores 938 and sits in decile 3 of 10 nationally and decile 3 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Nene Valley?

Median household income in Nene Valley was $1,812 a week at the 2021 Census, against $1,833 for the typical suburb in Southern Limestone Coast Council. Median rent was $300 a week and the median mortgage repayment $1,200 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Kongorong 6.1 km 0% 100%
Blackfellows Caves 7.3 km 0% 98%
Cape Douglas 7.7 km 0% 98%
Pelican Point 10.0 km 0% 84%
Carpenter Rocks 13.8 km 0% 99%
Allendale East 15.5 km 0% 100%
Mount Schank 15.7 km 0% 100%
Port Macdonnell 16.4 km 0% 98%
German Creek 16.5 km 0% 100%
Moorak 18.1 km 0% 100%

See all Southern Limestone Coast Council suburb profiles →