1 Data Sources
| Source | Type | Counts | Coverage | Downloaded | Size |
|---|---|---|---|---|---|
|
NSW Valuer General's Property Sales Information (PSI) NSW Valuer General Full history (1990–present), bulk-ingested directly from the Valuer General |
Sales |
6,574,593 raw rows 5,452,166 after dedup & filter |
1,898,072 unique properties 8,677 suburbs · 201,701 streets |
2026-05-31 04:14:19 | 1058.8 MB |
|
G-NAF Bulk Address Data Geoscape Australia |
Enrichment | 4,888,392 address records |
1,906,637 / 2,664,246 properties matched 71.6% match rate |
2026-05-12 10:31:06 | 1626.5 MB |
|
Geofabrik OSM Australia Roads Geofabrik |
Geography |
3,398,124 segments (AU) 461,599 named driveable (NSW) |
101,322 / 189,127 enriched (53.6%) | 2026-05-12 11:09:17 | 1687.3 MB |
|
ABS SAL 2021 — Suburb Boundaries Australian Bureau of Statistics |
Boundaries | 4,682 polygons | 4,171 with sales data (89.1%) | 2026-05-12 10:27:39 | 99.2 MB |
|
ABS POA 2021 — Postcode Boundaries Australian Bureau of Statistics |
Boundaries | 636 polygons | 613 with sales data (96.4%) | 2026-05-12 10:27:47 | 53.3 MB |
|
ABS SA4 2021 — Market Region Boundaries Australian Bureau of Statistics |
Boundaries | 33 polygons | 29 with sales data (87.9%) | 2026-05-12 10:27:52 | 28.4 MB |
2 Sales Processing
Record attrition
Raw CSV rows
6,574,593
100%
After residential filter
5,621,128
85.5%
After deduplication
5,452,166
82.9%
Output
5,452,166
Sales records
1,898,072
Unique properties
8,677
Suburbs
201,701
Streets
3 G-NAF Address Matching
Match funnel
G-NAF address records
4,888,392
Unique properties (sales)
2,664,246
100%
Matched to G-NAF
1,906,637
71.6%
↳ Exact match
1,849,844
69.4%
↳ Building match (no unit)
56,793
2.1%
Unmatched
757,609
28.4%
Match rate
71.6%
of properties matched to a G-NAF address
0%100%
Top unmatched localities
Locality · unmatched count
| ALBURY | 6,492 |
| CARINGBAH | 5,810 |
| PENRITH | 5,544 |
| TAMWORTH | 5,354 |
| QUEANBEYAN | 5,038 |
| BAULKHAM HILLS | 4,902 |
| PARRAMATTA | 4,511 |
| KELLYVILLE | 4,459 |
| PORT MACQUARIE | 4,426 |
| CASTLE HILL | 4,392 |
4 Road Network
Filter pipeline
Australia-wide (OSM)
3,398,124
100%
After NSW bbox clip
1,276,237
37.6%
Named driveable roads
461,599
13.6%
After postcode split
189,600
5.6%
Enriched with sales data
101,322
53.6%
No matching sales data
87,805
46.4%
Enrichment rate
53.6%
of road segments enriched with sales statistics
0%100%