NZ Address Geocoder

Privacy Protected

Secure Address Geocoding for Health NZ

Privacy-focused geocoding service designed for Health NZ patient and facility data. Features automatic geographical clustering, address anonymization, and secure encrypted processing to protect patient privacy while enabling spatial analysis.

Privacy Features

Automatic clustering (min 3 addresses per group)
Address anonymization (house numbers removed)
Coordinate jittering (±50m random offset)
Encrypted file processing
Automatic data cleanup after processing

Step 1: Start Session

Step 2: Upload Data

CSV File (PatientAddress, Suburb, District, RISEventType)

Step 3: Process Addresses

Step 4: Get Results

Processing Summary

Start a session to see processing summary

Raw Results

No results yet...

Map Legend

District Colors:

Capital & Coast (Capi)

Hutt Valley (Hutt)

Wairarapa (Waira)

Other Districts

Event Type Shapes:

▲ Emergency

■ Inpatient

● Community

◆ Outpatient