Yengo flood map & planning overlays
A planning-constraint profile of Yengo
(Cessnock, NSW) - 300.73 km², mapped from live council and
state overlay data. This suburb is highly constrained.
Profile updated 3 October 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
300.73 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Yengo's boundary, with the flood, bushfire and environmental overlays drawn on top. Magenta is where aircraft were observed in the sampled period, brightest below 3,000 ft.
Nearby suburbs, nearest first
Aircraft noise and flight paths over Yengo
Two different things, kept apart on purpose. The ANEF contour is the planning instrument - a forecast published per airport that planning schemes use to control noise-sensitive development. Observed overflight is what a sampled aircraft-tracking feed actually recorded over the suburb - where aircraft flew, how low and how often.
Observed overflight - sampled 4 Sep to 2 Oct 2026
Night movements: observed, lowest 6,000 ft - night is sampled as often as day, but night traffic is light, so this is a floor and no rate can be put on it.
Traffic is sampled rather than watched continuously, so every figure is a floor: aircraft not captured between samples are not represented. Rates are per 500 m square - the busiest square in the suburb, not a count of flights over the suburb - and a square is only rated where enough traffic was seen to measure it. Altitudes are above mean sea level. Flight paths change with runway use, weather, season and airspace design. This is a record of observed traffic; it is not a noise contour and not a planning control.
Yengo at a glance
How Yengo is zoned
Buying in Yengo? 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 300.73 km², Yengo is highly constrained by planning overlays. About 4% of the suburb sits 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 National Parks and Nature Reserves. The median lot measures about 164,455 m² across 80 parcels.
Who lives in Yengo
Census 2021 figures published by the ABS for the Yengo 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 1033, and decile 7 within New South Wales. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Cessnock Surrounds, the wider ABS statistical area containing Yengo. There is no annual population series published at suburb level, so this describes the surrounding area rather than Yengo itself.
6,288 in 2001 to 9,974 in 2025, up 59%.
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.
Yengo 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 | 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 |
| Aircraft noise contours (ANEF) | Not held | NSW Government spatial services, NSW ePlanning and published council flood studies, Defence |
| Observed flight paths | Observed | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 3 October 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 Yengo 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.
The report's Aircraft Overflight page narrows that to the address itself: how many aircraft a day, how low, and at what heights.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Yengo lot.
See what's in the $9 report →Yengo planning - frequently asked
Is Yengo flood-prone?
About 4% of Yengo falls within a mapped flood overlay, against the council-wide suburb average of 17%.
Is Yengo bushfire-prone?
Around 100% of Yengo is mapped as bushfire-prone, compared with a Cessnock average of 91%.
Is Yengo under a flight path?
Aircraft were observed over about 21% of Yengo in the period sampled, but only above 3,000 ft - the lowest measured was 2,000 ft. Traffic is sampled rather than watched continuously and flight paths change with runway use, weather and season; the ANEF contour is the planning instrument.
What is the zoning in Yengo?
The dominant planning zone in Yengo is National Parks and Nature Reserves, though the suburb also includes Rural Landscape.
Does Yengo have heritage-listed places?
Yengo has 1 heritage-listed place on record.
What is the typical lot size in Yengo?
Across 80 surveyed parcels in Yengo, the median lot size is about 164,455 m².
Is Yengo an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Yengo scores 1033 and sits in decile 8 of 10 nationally and decile 7 within New South Wales (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Laguna | 15.8 km | 7% | 100% |
| Higher Macdonald Hawkesbury |
16.4 km | 0% | 100% |
| Mellong Hawkesbury |
17.4 km | 0% | 100% |
| Perrys Crossing Hawkesbury |
18.1 km | 0% | 100% |
| Paynes Crossing Singleton |
18.5 km | Not mapped | 100% |
| Garland Valley Singleton |
18.8 km | Not mapped | 100% |
| Mogo Creek Hawkesbury |
20.4 km | 0% | 100% |
| Fernances Crossing | 20.8 km | 10% | 100% |
| Fernances Hawkesbury |
21.5 km | 0% | 100% |
| Howes Valley Singleton |
23.5 km | Not mapped | 100% |