Areas / Frankston / Seaford

Seaford flood map & planning overlays

The VIC Seaford: 17,215 residents, 30.2% flood, 42.2% bushfire.

A planning-constraint profile of Seaford (Frankston, VIC) - 12.49 km², mapped from live council and state overlay data. This suburb is highly constrained.
Profile updated 24 October 2026.

Elevation hillshade with street names, clipped to Seaford'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 Seaford

The ANEF contour is a published planning forecast and observed overflight is what a sampled tracking feed recorded - neither describes any individual property.

Observed overflight - sampled 4 Sep to 24 Oct 2026

Under observed aircraft
100%
of the suburb, at or below 10,000 ft
Below 3,000 ft
100%
of the suburb's area
Lowest measured
500 ft
averaging 1,500 ft · ground movements recorded: on or beside an aerodrome
Busiest square
~28 a day
28 a day below 3,000 ft · ±8%
typical observed square 4 a day

Night movements: observed, lowest 2,000 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.

How this is measured

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.

Seaford at a glance

Parcels 11,649 Median lot 537 m² Mapped easements 3,409 Train Kananook Station, Seaford Station Bus stops 87

How Seaford is zoned

Residential 1 Zone (R1Z) 41%
Industrial 1 Zone (IN1Z) 13%
Public Conservation and Resource Zone (PCRZ) 12%
Public Use Zone (PUZ1) 10%
Transport Zone (TRZ2) 8%
Public Park and Recreation Zone (PPRZ) 5%

Selling in Seaford? The zoning and planning overlays on this page are the controls a Section 32 vendor statement discloses.

Across its 12.49 km², Seaford is highly constrained by planning overlays. About 30% of the suburb sits within a mapped flood overlay, and 42% is flagged bushfire-prone. There are 7 heritage-listed sites on record, and the dominant land-use zone is Residential 1 Zone (R1Z). The median lot measures about 537 m² across 11,649 parcels.

Who lives in Seaford

Census 2021 figures published by the ABS for the Seaford suburb boundary itself, not a wider region.

Population
17,215
usual residents, 2021
Median age
40
years
Median household income
$1,500
per week, Frankston suburb typical $1,919
Median rent
$351
per week, Frankston suburb typical $365
Median mortgage
$1,850
per month
Household size
2.3
people, average

Socio-economic standing

ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.

Advantage and disadvantage (IRSAD) Decile 5
most disadvantagedleast disadvantaged

Score 979, and decile 4 within Victoria. The national average is 1000.

Relative disadvantage (IRSD) Decile 5
most disadvantagedleast disadvantaged

Age profile

Share of Seaford's 17,215 residents in each ABS age band.

0-4 6.8%
5-14 10.8%
15-19 4.5%
20-24 4.7%
25-34 13.7%
35-44 15.6%
45-54 14.2%
55-64 11.8%
65-74 9.8%
75-84 5.9%
85+ 2.2%

Population trend, 2001 to 2025

Estimated resident population of Seaford (Vic.), the wider ABS statistical area containing Seaford. There is no annual population series published at suburb level, so this describes the surrounding area rather than Seaford itself.

16,257 in 2001 to 18,305 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.

Seaford data sources and coverage

“Not mapped” means we hold no source layer for this suburb - never an all-clear.

DatasetCoveragePublisher
Flood mappingMappedVicmap Planning and Victorian Government spatial services
Bushfire-prone mappingMappedVicmap Planning and Victorian Government spatial services
ZoningMappedVicmap Planning and Victorian Government spatial services
Heritage and environmentMapped where publishedVicmap Planning and Victorian Government spatial services
Aircraft noise contours (ANEF)Not heldVicmap Planning and Victorian Government spatial services, Defence
Observed flight pathsObservedadsb.lol, under the Open Database License
DemographicsAvailableAustralian Bureau of Statistics (2021 Census and SEIFA)

Profile last materially updated 24 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 Seaford 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 →

Aircraft have been seen below 3,000 ft over about 100% of Seaford. 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 the indicative soil reactivity range to expect for a Seaford lot.

Seaford planning - frequently asked

Is Seaford flood-prone?

About 30% of Seaford falls within a mapped flood overlay, against the council-wide suburb average of 11%.

Is Seaford bushfire-prone?

Around 42% of Seaford is mapped as bushfire-prone, compared with a Frankston average of 58%.

Is Seaford under a flight path?

Aircraft were observed below 3,000 ft over about 100% of Seaford, in the period sampled (4 Sep 2026 to 24 Oct 2026). The lowest measured aircraft was at 500 ft, with an average of 1,500 ft. At the busiest point in the suburb about 28 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 Seaford?

The dominant planning zone in Seaford is Residential 1 Zone (R1Z), though the suburb also includes Industrial 1 Zone (IN1Z) and Public Conservation and Resource Zone (PCRZ).

Does Seaford have heritage-listed places?

Seaford has 7 heritage-listed places on record.

What is the typical lot size in Seaford?

Across 11,649 surveyed parcels in Seaford, the median lot size is about 537 m². There are also 3,409 registered easements mapped in the suburb.

Does Seaford have a train station?

Yes - Seaford has 2 train stations: Kananook Station, Seaford Station. It is also served by 87 bus stops.

What is the population of Seaford?

At the 2021 Census Seaford had 17,215 usual residents, with a median age of 40 and an average household size of 2.3 people. The wider Seaford (Vic.) statistical area, which contains Seaford, went from 16,257 people in 2001 to 18,305 in 2025, up 13%.

Is Seaford an advantaged suburb?

On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Seaford scores 979 and sits in decile 5 of 10 nationally and decile 4 within Victoria (decile 1 is the most disadvantaged tenth, decile 10 the least).

What is the median household income in Seaford?

Median household income in Seaford was $1,500 a week at the 2021 Census, against $1,919 for the typical suburb in Frankston. Median rent was $351 a week and the median mortgage repayment $1,850 a month.

Compare nearby suburbs

Nearby suburbDistanceFlood mappedBushfire-prone
Carrum Downs 3.1 km 20% 40%
Frankston North 3.2 km 2% 67%
Carrum
Kingston
3.5 km 21% <1%
Patterson Lakes
Kingston
4.3 km 38% 17%
Frankston 5.0 km 13% 17%
Bonbeach
Kingston
5.0 km 31% 11%
Skye 6.4 km Not mapped 89%
Chelsea
Kingston
6.6 km 18% 7%
Sandhurst 6.6 km Not mapped 10%
Langwarrin 7.2 km 1% 85%

See all Frankston suburb profiles →