Gilston flood map & planning overlays
A planning-constraint profile of Gilston (Gold Coast City, QLD) - 9.45 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
9.45 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Gilston'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.
Gilston flood risk at the property level
Overlay percentages say how much land is constrained; these figures say how many properties are actually touched, from our lot-by-lot analysis of 1,070 Gilston properties.
Lot-level readout
Flood-risk rating across all 1,070 properties
From LayeredGeo's lot-risk engine: council flood overlays, historical flooding and terrain, resolved to each individual lot in Gilston.
Gilston at a glance
How Gilston is zoned
Selling in Gilston? The lot-level zone is the zoning Part 3 of Queensland's Form 2 seller disclosure statement asks for - see our Form 2 planning data guide.
Across its 9.45 km², Gilston is highly constrained by planning overlays. About 57% of the suburb sits within a mapped flood overlay, and 94% is flagged bushfire-prone. There are 2 heritage-listed sites on record, and the dominant land-use zone is Rural. The terrain is hilly, and the median lot measures about 765 m² across 1,040 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 Gilston
Census 2021 figures published by the ABS for the Gilston 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 1045, and decile 9 within Queensland. The national average is 1000.
Age profile
Share of Gilston's 2,669 residents in each ABS age band.
Population trend, 2001 to 2025
Estimated resident population of Nerang - Mount Nathan, the wider ABS statistical area containing Gilston. There is no annual population series published at suburb level, so this describes the surrounding area rather than Gilston itself.
15,345 in 2001 to 22,560 in 2025, up 47%.
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.
Check a specific Gilston 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 →Gilston planning - frequently asked
Where can I see a flood map of Gilston?
The schematic on this page is a Gilston flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 57% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Gilston address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Gilston flood-prone?
About 57% of Gilston falls within a mapped flood overlay, against a Gold Coast City average of 49%. Looking lot by lot, 26% of the 1,070 properties we analysed in Gilston carry some level of mapped flood risk, including 257 rated high risk or historically affected. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Gilston bushfire-prone?
Yes - around 94% of Gilston is mapped as bushfire-prone, compared with a Gold Coast City average of 48%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Gilston?
The dominant planning zone in Gilston is Rural, though the suburb also includes Conservation and Emerging community. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Gilston have heritage-listed places?
Gilston has 2 heritage-listed places on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.
Is Gilston hilly or flat?
Gilston is hilly: the median lot slope is about 11%, and 25% of properties sit on slopes of 15% or steeper. Ground level runs from roughly 20 m to 82 m AHD across the suburb. Slope drives site costs - cut and fill, retaining walls and driveway grades - so it is worth knowing before you commit to a sloping block.
What is the typical lot size in Gilston?
Across 1,040 surveyed parcels in Gilston, the median lot size is about 765 m². There are also 494 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.
Does Gilston have a train station?
There is no train station inside Gilston itself. The suburb is served by 9 bus stops.
What is the population of Gilston?
At the 2021 Census Gilston had 2,669 usual residents, with a median age of 35 and an average household size of 3.2 people. The wider Nerang - Mount Nathan statistical area, which contains Gilston, went from 15,345 people in 2001 to 22,560 in 2025, up 47%. ABS publishes no annual population series for individual suburbs, so that trend describes the surrounding area rather than Gilston alone.
Is Gilston an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Gilston scores 1045 and sits in decile 9 of 10 nationally and decile 9 within Queensland - 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.
What is the median household income in Gilston?
Median household income in Gilston was $2,446 a week at the 2021 Census, against $1,830 for the typical suburb in Gold Coast City. Median rent was $540 a week and the median mortgage repayment $2,172 a month. These are 2021 Census figures and have not been indexed to today.
Do I need a planning report for a Gilston property?
A Gilston 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.