Blackmans Flat zoning & planning overlays
A planning-constraint profile of Blackmans Flat
(Lithgow City, NSW) - 32.97 km², mapped from live council and
state overlay data. This suburb is highly constrained on the overlays we could measure - no flood mapping covers this suburb, so this is not a suburb-wide verdict.
Profile updated 26 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
32.97 km² - this suburb is highly constrained on the overlays we could measure - no flood mapping covers this suburb, so this is not a suburb-wide verdict.
Elevation hillshade with street names, clipped to Blackmans Flat's boundary, with the bushfire and environmental overlays drawn on top. Magenta is where aircraft were observed in the sampled period, brightest below 3,000 ft. No flood layer is drawn because we hold no flood mapping for this area.
Nearby suburbs, nearest first
Aircraft noise and flight paths over Blackmans Flat
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 25 Sep 2026
Night movements: not established - night is sampled as often as day, but too few night flights have been seen here to conclude either way.
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.
Blackmans Flat at a glance
How Blackmans Flat is zoned
Buying in Blackmans Flat? 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 32.97 km², Blackmans Flat is highly constrained by the planning overlays we hold. We hold no flood mapping covering this suburb, so no flood figure is shown - that is a gap in our data, not an all-clear. Of what is mapped, 87% is flagged bushfire-prone. There are 3 heritage-listed sites on record, and the dominant land-use zone is Forestry. The median lot measures about 19,357 m² across 140 parcels.
Who lives in Blackmans Flat
Census 2021 figures published by the ABS for the Blackmans Flat 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 1000, and decile 6 within New South Wales. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Lithgow Surrounds, the wider ABS statistical area containing Blackmans Flat. There is no annual population series published at suburb level, so this describes the surrounding area rather than Blackmans Flat itself.
7,567 in 2001 to 8,544 in 2025, up 13%.
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.
Blackmans Flat data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Not 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 26 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 Blackmans Flat 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 Blackmans Flat lot.
See what's in the $9 report →Blackmans Flat planning - frequently asked
Is Blackmans Flat flood-prone?
We don't yet hold flood mapping covering Blackmans Flat, so this page can't say how much of the suburb is flood-affected - that is a gap in our data, not an indication that the suburb is free of flood risk. Lithgow City is the authority to check for flood mapping in this area.
Is Blackmans Flat bushfire-prone?
Around 87% of Blackmans Flat is mapped as bushfire-prone, compared with a Lithgow City average of 92%.
Is Blackmans Flat under a flight path?
Aircraft were observed over about 4% of Blackmans Flat in the period sampled, but only above 3,000 ft - the lowest measured was 6,000 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 Blackmans Flat?
The dominant planning zone in Blackmans Flat is Forestry, though the suburb also includes Infrastructure and Primary Production.
Does Blackmans Flat have heritage-listed places?
Blackmans Flat has 3 heritage-listed places on record.
What is the typical lot size in Blackmans Flat?
Across 140 surveyed parcels in Blackmans Flat, the median lot size is about 19,357 m². There are also 1 registered easements mapped in the suburb.
Does Blackmans Flat have a train station?
There is no train station inside Blackmans Flat itself. The suburb is served by 2 bus stops.
Is Blackmans Flat an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Blackmans Flat scores 1000 and sits in decile 6 of 10 nationally and decile 6 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 |
|---|---|---|---|
| Lidsdale | 5.4 km | Not mapped | 96% |
| Cullen Bullen | 8.6 km | Not mapped | 99% |
| Portland | 10.3 km | 0% | 94% |
| Wallerawang | 11.3 km | Not mapped | 91% |
| Ben Bullen | 11.5 km | Not mapped | 99% |
| Wolgan Valley | 11.8 km | Not mapped | 100% |
| Marrangaroo | 12.9 km | Not mapped | 94% |
| Newnes Plateau | 16.5 km | Not mapped | 100% |
| Cobar Park | 17.4 km | Not mapped | 100% |
| Bowenfels | 17.5 km | Not mapped | 91% |