Tahmoor zoning & planning overlays
A planning-constraint profile of Tahmoor
(Wollondilly, NSW) - 16.55 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 3 October 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
16.55 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 Tahmoor'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 Tahmoor
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
typical observed square 1 a day
Night movements: observed, lowest 5,000 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.
Tahmoor at a glance
How Tahmoor is zoned
Buying in Tahmoor? 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 16.55 km², Tahmoor 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, 70% is flagged bushfire-prone. There are 17 heritage-listed sites on record, and the dominant land-use zone is Primary Production Small Lots. The median lot measures about 890 m² across 3,233 parcels.
Who lives in Tahmoor
Census 2021 figures published by the ABS for the Tahmoor 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 954, and decile 3 within New South Wales. The national average is 1000.
Age profile
Share of Tahmoor's 5,777 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Picton - Tahmoor - Buxton, the wider ABS statistical area containing Tahmoor. There is no annual population series published at suburb level, so this describes the surrounding area rather than Tahmoor itself.
14,113 in 2001 to 22,603 in 2025, up 60%.
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.
Tahmoor 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 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 Tahmoor 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.
Aircraft have been seen below 3,000 ft over about 96% of Tahmoor. 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 Tahmoor lot.
See what's in the $9 report →Tahmoor planning - frequently asked
Is Tahmoor flood-prone?
We don't yet hold flood mapping covering Tahmoor, 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. Wollondilly is the authority to check for flood mapping in this area.
Is Tahmoor bushfire-prone?
Around 70% of Tahmoor is mapped as bushfire-prone, compared with a Wollondilly average of 93%.
Is Tahmoor under a flight path?
Aircraft were observed below 3,000 ft over about 96% of Tahmoor, and over about 100% at any altitude up to 10,000 ft, in the period sampled (4 Sep 2026 to 2 Oct 2026). The lowest measured aircraft was at 1,000 ft, with an average of 3,500 ft. At the busiest point in the suburb about 4 aircraft a day were recorded passing over one 500 m square. 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 Tahmoor?
The dominant planning zone in Tahmoor is Primary Production Small Lots, though the suburb also includes Rural Landscape and Low Density Residential.
Does Tahmoor have heritage-listed places?
Tahmoor has 17 heritage-listed places on record.
What is the typical lot size in Tahmoor?
Across 3,233 surveyed parcels in Tahmoor, the median lot size is about 890 m². There are also 16 registered easements mapped in the suburb.
Does Tahmoor have a train station?
Yes - Tahmoor has 1 train station: Tahmoor Station. It is also served by 56 bus stops.
What is the population of Tahmoor?
At the 2021 Census Tahmoor had 5,777 usual residents, with a median age of 34 and an average household size of 2.7 people. The wider Picton - Tahmoor - Buxton statistical area, which contains Tahmoor, went from 14,113 people in 2001 to 22,603 in 2025, up 60%.
Is Tahmoor an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Tahmoor scores 954 and sits in decile 4 of 10 nationally and decile 3 within New South Wales (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Tahmoor?
Median household income in Tahmoor was $1,739 a week at the 2021 Census, against $2,250 for the typical suburb in Wollondilly. Median rent was $410 a week and the median mortgage repayment $2,167 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Couridjah | 3.4 km | Not mapped | 100% |
| Thirlmere | 3.8 km | Not mapped | 88% |
| Maldon | 5.6 km | Not mapped | 85% |
| Buxton | 6.1 km | 0% | 93% |
| Pheasants Nest | 6.3 km | 0% | 97% |
| Bargo | 6.4 km | 0% | 89% |
| Picton | 6.5 km | Not mapped | 84% |
| Lakesland | 8.9 km | 0% | 100% |
| Mowbray Park | 8.9 km | Not mapped | 99% |
| Wilton | 9.8 km | 0% | 97% |