Home address

Detects populated Australian residential street addresses. Bare street structure is retained for discovery, while enforcing tiers require Australian geographic evidence and home/residential context; the strict tier also requires a labelled person linked to the address.

Type: regex
Engine: boost_regex
Confidence: medium
Confidence justification: Medium confidence: a populated Australian street structure plus residential and geographic context is materially stronger than a home-address label alone. The high tier additionally proves person attribution and complete state/postcode geography.
Detection quality: Topic false positive
Jurisdictions: au
Regulations: AML/CTF Act (Cth), HRIPA (Cth), IPA 2009 (Qld), My Health Records Act 2012 (Cth), NDB Scheme (Cth), Privacy Act 1988 (Cth), TIA Act 1979 (Cth)
Frameworks: ISO 27001, ISO 27701
Data categories: pii, contact-information, location
Scope: wide
Risk rating: 3
Platform compatibility: Purview: Compatible, GCP DLP: Compatible, Macie: Compatible, Zscaler: Compatible, Palo Alto: Degraded, Netskope: Unsupported

Pattern

(?i)\b\d{1,5}[A-Z]?(?:\s*[-/]\s*\d{1,5}[A-Z]?)?\s+[A-Z][A-Z'-]{1,30}(?:\s+[A-Z][A-Z'-]{0,30}){0,5}\s+(?:Street|St|Road|Rd|Avenue|Ave|Drive|Dr|Place|Pl|Court|Ct|Crescent|Cres|Close|Cl|Lane|La|Way|Parade|Pde|Boulevard|Blvd|Terrace|Tce|Circuit|Cct|Highway|Hwy|Grove|Gv|Square|Sq|Esplanade|Esp|Rise|View|Gardens|Loop|Trail|Track|Pass|Heights)\b

Corroborative evidence keywords

home address, residential address, principal place of residence, resident, tenant, occupant, postcode, Access, ACCS, Alley, [object Object], Alleyway, ALLY, Amble, [object Object], Approach, APPR, Arcade, [object Object], Arterial (+371 more)

Proximity: 300 characters

Should match

7B George Street — Exact 65 probe - populated street structure without residential or geographic context
Home address: 18 Banksia Road, Brisbane QLD 4000 — Exact 75 probe - populated home address with geography but no labelled person
Resident: Full Name; home address: 18 Banksia Road, Brisbane QLD 4000 — Exact 75 probe - blank-form person placeholder must not elevate the address to 85
Resident: Mia Chen; residential address: Unit 4, 12 Ocean Rise, Redcliffe QLD 4020 — Exact 85 probe - populated residential address with person, state, and postcode
Principal place of residence: 91 King Street, Melbourne VIC 3000 — Populated residence with an explicit residential relationship

Should not match

Home address: — Blank label must not be treated as a populated address
The home address field is mandatory on the application form. — Policy or form prose without an address value
The conference is at 200 George Street, Sydney NSW 2000. — Public venue address lacks residential context and must not enforce
Documentation example: Resident: Mia Chen; home address: 12 Ocean Rise, Redcliffe QLD 4020 — Complete but explicitly documented example is excluded from enforcing tiers
Road to recovery was published in 2024. — Metaphorical road wording without address structure

Known false positives

Public venues and business premises can have valid Australian street structures. Mitigation: Require explicit home or residential context for enforcing tiers and person attribution at high confidence.
Completed example addresses in forms, documentation, or training material can look genuine. Mitigation: Apply the shared template-exclusion NOT-group to the 75 and 85 tiers.