Knights Hill flood map & planning overlays
A planning-constraint profile of Knights Hill (Kiama, NSW) - 10.44 km², mapped from live council and state overlay data. This suburb is highly constrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
10.44 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Knights Hill's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.
Knights Hill at a glance
How Knights Hill is zoned
Buying in Knights Hill? The zoning, flood and bushfire lines on the section 10.7 certificate attached to the contract are mapped controls - see our s10.7 certificate guide.
Across its 10.44 km², Knights Hill is highly constrained by planning overlays. Flood mapping covers the suburb and none of it falls within a mapped flood overlay, and 100% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Environmental Conservation. The median lot measures about 233,985 m² across 38 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
Who lives in Knights Hill
Census 2021 figures published by the ABS for the Knights Hill 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 1067, and decile 9 within New South Wales. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Robertson - Fitzroy Falls, the wider ABS statistical area containing Knights Hill. There is no annual population series published at suburb level, so this describes the surrounding area rather than Knights Hill itself.
3,277 in 2001 to 3,899 in 2025, up 19%.
Source: Australian Bureau of Statistics. Census of Population and Housing 2021 (General Community Profile) and SEIFA 2021, both published at the Suburbs and Localities level; Regional Population (estimated resident population) at Statistical Area Level 2. Used under CC BY 4.0. Census counts of small populations are randomly adjusted by the ABS to protect confidentiality, so figures for small suburbs are indicative.
Knights Hill data sources and coverage
Every figure below is an aggregate for the suburb boundary. “Not mapped” means LayeredGeo does not hold a source layer covering this suburb; it is never an all-clear for a particular property.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Bushfire-prone mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Zoning | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Heritage and environment | Mapped where published | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 5 August 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 Knights Hill 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.
See what's in the $9 report →Knights Hill planning - frequently asked
Where can I see a flood map of Knights Hill?
The schematic on this page is a Knights Hill flood map: the mapped flood overlays drawn over the suburb's terrain and street grid. Flood lines vary block to block, so for a specific property use the free interactive map - search any Knights Hill address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Knights Hill flood-prone?
Flood mapping covers Knights Hill and none of the suburb falls within a mapped flood overlay. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Knights Hill bushfire-prone?
Yes - around 100% of Knights Hill is mapped as bushfire-prone, compared with a Kiama average of 80%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Knights Hill?
The dominant planning zone in Knights Hill is Environmental Conservation, though the suburb also includes Environmental Management and National Parks and Nature Reserves. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Knights Hill have heritage-listed places?
Knights Hill has 1 heritage-listed place on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.
What is the typical lot size in Knights Hill?
Across 38 surveyed parcels in Knights Hill, the median lot size is about 233,985 m². There are also 7 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.
Is Knights Hill an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Knights Hill scores 1067 and sits in decile 9 of 10 nationally and decile 9 within New South Wales - decile 1 being the most disadvantaged tenth of Australian suburbs and decile 10 the least. The national average score is 1000. SEIFA summarises income, education, occupation and housing across the whole suburb, so it describes the area, not any particular household in it.
Do I need a planning report for a Knights Hill property?
A Knights Hill planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Tongarra Shellharbour |
3.9 km | 0% | 100% |
| Carrington Falls | 4.5 km | 0% | 100% |
| Yellow Rock Ridge Shellharbour |
5.1 km | 0% | 100% |
| Tullimbar Shellharbour |
5.7 km | Not mapped | 82% |
| Budderoo | 6.4 km | 0% | 100% |
| Curramore | 6.7 km | Not mapped | 98% |
| Macquarie Pass Shellharbour |
7.1 km | 0% | 100% |
| Calderwood Shellharbour |
7.2 km | 0% | 87% |
| Jamberoo | 7.4 km | Not mapped | 98% |
| Upper Kangaroo Valley Wingecarribee |
7.6 km | 0% | 100% |