Sleaford flood map & planning overlays
A planning-constraint profile of Sleaford
(Lower Eyre Council, SA) - 189.05 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 4 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
189.05 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Sleaford's boundary, with the flood, bushfire and environmental overlays drawn on top.
Nearby suburbs, nearest first
Sleaford at a glance
How Sleaford is zoned
Selling in Sleaford? 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 189.05 km², Sleaford is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 99% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Conservation. The median lot measures about 663,860 m² across 78 parcels.
Who lives in Sleaford
Census 2021 figures published by the ABS for the Sleaford suburb boundary itself, not a wider region.
Socio-economic standing
ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.
Score 976, and decile 5 within South Australia. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Eyre Peninsula, the wider ABS statistical area containing Sleaford. There is no annual population series published at suburb level, so this describes the surrounding area rather than Sleaford itself.
6,179 in 2001 to 7,232 in 2025, up 17%.
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.
Sleaford data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Bushfire-prone mapping | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Zoning | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Heritage and environment | Mapped where published | the South Australian Planning and Design Code and Location SA spatial data |
| Aircraft noise contours (ANEF) | Not held | the South Australian Planning and Design Code and Location SA spatial data, Defence |
| Observed flight paths | Watched, not yet sampled here | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 4 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 Sleaford 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 Sleaford lot.
See what's in the $9 report →Sleaford planning - frequently asked
Is Sleaford flood-prone?
Flood mapping covers Sleaford and none of the suburb falls within a mapped flood overlay.
Is Sleaford bushfire-prone?
Around 99% of Sleaford is mapped as bushfire-prone, compared with a Lower Eyre Council average of 97%.
What is the zoning in Sleaford?
The dominant planning zone in Sleaford is Conservation, though the suburb also includes Rural and Coastal Waters and Offshore Islands.
Does Sleaford have heritage-listed places?
Sleaford has 1 heritage-listed place on record.
What is the typical lot size in Sleaford?
Across 78 surveyed parcels in Sleaford, the median lot size is about 663,860 m².
Is Sleaford an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Sleaford scores 976 and sits in decile 5 of 10 nationally and decile 5 within South Australia (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Tulka | 14.5 km | 0% | 98% |
| Uley | 17.4 km | 0% | 100% |
| Duck Ponds | 19.4 km | 0% | 100% |
| Lincoln National Park | 21.1 km | 0% | 98% |
| Coomunga | 24.7 km | 0% | 100% |
| Port Lincoln City of Port Lincoln |
24.7 km | 0% | 82% |
| Hawson | 24.8 km | 0% | 100% |
| Boston | 26.7 km | 0% | 100% |
| Tootenilla | 28.5 km | 0% | 100% |
| Tiatukia | 29.6 km | 0% | 99% |