Glen Allen zoning & planning overlays
A planning-constraint profile of Glen Allen
(Snowy Monaro Regional, NSW) - 148.96 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
148.96 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 Glen Allen's boundary, with the bushfire and environmental overlays drawn on top. No flood layer is drawn because we hold no flood mapping for this area.
Nearby suburbs, nearest first
Glen Allen at a glance
How Glen Allen is zoned
Buying in Glen Allen? 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 148.96 km², Glen Allen 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, 95% is flagged bushfire-prone. The dominant land-use zone is Primary Production. The median lot measures about 272,701 m² across 171 parcels.
Who lives in Glen Allen
Census 2021 figures published by the ABS for the Glen Allen 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 931, and decile 2 within New South Wales. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Bombala, the wider ABS statistical area containing Glen Allen. There is no annual population series published at suburb level, so this describes the surrounding area rather than Glen Allen itself.
2,622 in 2001 to 2,474 in 2025, down 6%.
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.
Glen Allen 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 | Watched, not yet sampled here | 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 Glen Allen 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.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Glen Allen lot.
See what's in the $9 report →Glen Allen planning - frequently asked
Is Glen Allen flood-prone?
We don't yet hold flood mapping covering Glen Allen, 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. Snowy Monaro Regional is the authority to check for flood mapping in this area.
Is Glen Allen bushfire-prone?
Around 95% of Glen Allen is mapped as bushfire-prone, compared with a Snowy Monaro Regional average of 57%.
What is the zoning in Glen Allen?
The dominant planning zone in Glen Allen is Primary Production, though the suburb also includes Forestry and National Parks and Nature Reserves.
Does Glen Allen have heritage-listed places?
No heritage-listed places are on record within Glen Allen.
What is the typical lot size in Glen Allen?
Across 171 surveyed parcels in Glen Allen, the median lot size is about 272,701 m². There are also 1 registered easements mapped in the suburb.
What is the population of Glen Allen?
At the 2021 Census Glen Allen had 55 usual residents, with a median age of 39 and an average household size of 2.2 people. The wider Bombala statistical area, which contains Glen Allen, went from 2,622 people in 2001 to 2,474 in 2025, down 6%.
Is Glen Allen an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Glen Allen scores 931 and sits in decile 3 of 10 nationally and decile 2 within New South Wales (decile 1 is the most disadvantaged tenth, decile 10 the least).
What is the median household income in Glen Allen?
Median household income in Glen Allen was $933 a week at the 2021 Census, against $1,874 for the typical suburb in Snowy Monaro Regional. Median rent was $300 a week and the median mortgage repayment $1,500 a month.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Creewah | 6.9 km | Not mapped | 97% |
| Ando | 9.1 km | Not mapped | 35% |
| Tantawangalo Bega Valley |
11.0 km | Not mapped | 100% |
| Bibbenluke | 12.5 km | Not mapped | 8% |
| Steeple Flat | 13.7 km | Not mapped | 56% |
| Holts Flat | 14.7 km | Not mapped | 2% |
| Bemboka Bega Valley |
15.4 km | Not mapped | 100% |
| Mogilla Bega Valley |
16.3 km | Not mapped | 100% |
| Jincumbilly | 16.4 km | Not mapped | 0% |
| Mount Cooper | 17.8 km | Not mapped | 5% |