NSW · Tenterfield Council
Undercliffe, NSW, 4380
Suburb snapshot
Undercliffe is a small locality in the Tenterfield area, home to around 27 residents (2021 Census). Recent indicators show 5 offences in Jan 2025 to Dec 2025 with rising year-on-year trends (+25%), roughly 185.2 offences per 1,000 residents, and some planning and development activity on record. Use the sections below for detailed population, safety, schools, and local activity data.
Population
- Population
- 27
- Median age
- 59
- Median household income / week
- $833
- Dwelling vacancy
- 17.6%
- Unoccupied private dwellings
- 3 of 17
- Median monthly mortgage
- $0
- Employment rate
- 37.5%
- Dwelling mix (houses / semi / flats)
- 0 / 0 / 0
Data sources & freshness
- 2021 Census — General Community Profile — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 Census release
The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.
Crime & safety
- Total offences (Jan 2025 to Dec 2025)
- 5
- Against the person
- 0
- Against property
- 3
- Rate per 1,000 residents
- 185.2
- State safety percentile
- 15th (lower crime is better)
- Year-on-year change
- +25%
Most common offence types
- Malicious Damage To Property3
- Trespass2
Data sources & freshness
- BOCSAR postcode crime statistics — NSW Bureau of Crime Statistics and Research · Period: Jan 2024 to Dec 2024 → Jan 2025 to Dec 2025; Jan 2025 to Dec 2025 · Updated on site · Rolling 12-month windows
Planning & development
Development applications from NSW Planning Portal (lodged 2020–2026).
2 planning-related records
2025· 1 proposal
November 2025
- Dwelling house; Alterations or additions to an existing building or structure1158 RIVERTREE ROAD UNDERCLIFFE 4380Determined
2024· 1 proposal
March 2024
- Dwelling house; Erection of a new structure955 RIVERTREE ROAD UNDERCLIFFE 4380Determined
Data sources & freshness
- Online DA development application register — NSW Department of Planning, Housing and Infrastructure · Period: 2020–2026; 2024; 2025 · Updated on site · Daily open-data feed (applications from Oct 2018)
Amenities
No OpenStreetMap amenities mapped for this suburb yet.
Data sources & freshness
- OpenStreetMap amenities — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Socio-economic (SEIFA)
- IRSAD decile (2021)
- 3/10
- IRSD decile (2021)
- 3/10
SEIFA indexes from ABS 2021. Decile 10 = most advantaged / least disadvantaged in Australia.
Data sources & freshness
- SEIFA 2021 (IRSAD / IRSD) — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 SEIFA release
Hazards
- Bushfire planning zone
- Overlay applies
Bushfire overlay checked at suburb centroid via NSW bush fire prone land mapping.
Data sources & freshness
- Hazard planning overlays — State government hazard layers · Period: current · Updated on site
Recent changes
- Dwelling house; Alterations or additions to an existing building or structureplanning1158 RIVERTREE ROAD UNDERCLIFFE 4380Lodged 05 Nov 2025 · Determined
- Dwelling house; Erection of a new structureplanning955 RIVERTREE ROAD UNDERCLIFFE 4380Lodged 06 Mar 2024 · Determined
- Malicious Damage To Propertycrime3
- Trespasscrime2
Data sources & freshness
- BOCSAR postcode crime statistics — NSW Bureau of Crime Statistics and Research · Updated on site · Rolling 12-month windows
- Online DA development application register — NSW Department of Planning, Housing and Infrastructure · Updated on site · Daily open-data feed (applications from Oct 2018)