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Suburb profile

Castlereagh NSW 2749

Castlereagh is located in the Penrith and the Blue Mountains region of New South Wales, postcode 2749. It has 574 properties across 23 streets, almost all houses. Explore every street in Castlereagh, its property history, homes for sale and rent, who lives there, and the local agents.

About Castlereagh

Castlereagh, NSW 2749, sits in the Penrith and the Blue Mountains region and neighbours Emu Heights, Emu Plains, Londonderry and Yarramundi. Its 23 streets hold 574 properties, 573 of them houses and 1 a unit.

Census figures are for Cranebrook - Castlereagh, which had 17,029 residents, a median age of 34 and an average household of 3 people. Median household income was $2,118 a week, the median mortgage repayment $2,167 a month and the median rent $410 a week. Of 5,463 dwellings, 4,923 were separate houses, 506 semi-detached, 20 flats and 4 other; 1,334 were owned outright, 2,613 owned with a mortgage and 1,406 rented.

Updated October 2026

Who lives in Castlereagh

  • 17,029Peoplelive in the area
  • 34Median ageyears
  • $2,118Median household incomea week
  • $410Median renta week

Homes by type

  • Houses4,923
  • Townhouses and semis506
  • Flats and apartments20
  • Other4

Household

  • Median mortgage repayment$2,167a month
  • Household size3people on average

How homes are held

Owned outright 1,334Owned with a mortgage 2,613Rented 1,406Other 110

Schools in Castlereagh

  • Castlereagh Public School

    GovernmentPrimary

  • Penrith Lakes Environmental Education Centre

    GovernmentPrimary and secondary

  • The Lakes Christian College

    IndependentPrimary and secondary

Streets in Castlereagh

  1. Castle Street4 properties
  2. Castlereagh Road121 properties
  3. Church Lane51 properties
  4. Church Street26 properties
  5. Cranebrook Road1 property
  6. Devlin Road67 properties
  7. East Wilchard Road31 properties
  8. Ellison Road10 properties
  9. Farrells Lane3 properties
  10. Fire Trail Road5 properties
  11. Hinxman Road45 properties
  12. Isaac Smith Road14 properties
  13. Jolly Street14 properties
  14. Keech Road8 properties
  15. Mccarthys Lane4 properties
  16. Old Castlereagh Road15 properties
  17. Post Office Road15 properties
  18. Rickards Road35 properties
  19. Sheredan Road42 properties
  20. Smith Road10 properties
  21. Tickner Street14 properties
  22. West Wilchard Road37 properties
  23. Wrights Lane2 properties

Neighbouring suburbs

Addresses and streets incorporate or were developed using G-NAF © Geoscape Australia, licensed by the Commonwealth of Australia under the Open Geo-coded National Address File (G-NAF) End User Licence Agreement.

Population and housing figures are drawn from the Australian Bureau of Statistics, Census of Population and Housing 2021, licensed under Creative Commons Attribution 4.0 International.

School details © Australian Curriculum, Assessment and Reporting Authority (ACARA), from the Australian Schools List, licensed under Creative Commons Attribution 4.0 International and modified. ACARA does not endorse Listd.

Area summaries are generated from the national address file and ABS Census data, and checked against those figures before publication.