# Cass Bay vs Heathcote Valley, the record side by side

| | [Cass Bay](https://www.chch.live/cass-bay) | [Heathcote Valley](https://www.chch.live/heathcote-valley) |
|---|---|---|
| Population | — | 2,430 (2023) |
| 2023 Census (SA1 join) | **3,117 (indicative)** | 2,379 (indicative) |
| Census households | **1,353** | 1,011 |
| Under 15 (Census) | 15% | 15% |
| 65+ (Census) | 17% | **24%** |
| Area | 2.7 km² | **8.28 km²** |
| People per km² | — | 293 |
| Reports filed | 540 | **3,300** |
| Rank on the roll | 86th of 108 | **45th of 108** |
| Reports per km² | 200 | **399** |
| First report on record | 2015 | 2015 |
| Busiest day | 2022-01-16 (8 reports) | **2017-08-14 (14 reports)** |
| Crashes on record | 16 (0 fatal · 2 serious) | **66 (3 fatal · 16 serious)** |
| Epicentres inside the outline | 11 (biggest M4.2) | **103 (biggest M6.2)** |
| Of the outline, red-zoned | — | 8.3% (69 ha) |
| The 2011 grade | — | TC2 (6.1% of the outline) |
| Flooded on record | — | 5.2% (1 event) |
| The sea’s reach | 1% of the outline | 1% of the outline |
| Slope-hazard bands | 21% of the outline (+79% broad overlay) | **37% of the outline (+50% broad overlay)** |
| The remembered ground | **17% of the outline (+56% silent-file)** | 2% of the outline (+7% silent-file) |
| The wild ledger | — | — |
| The kept view | **90% of the outline (+60% outstanding), 1 ridgeline** | 63% of the outline (+63% outstanding) |
| The waiting water | — | 0% high-hazard (4% managed) |
| The quiet lines | — | — |
| The drawn water | **12 reaches, 10% setback strips** | 77 reaches (Bridle Path Waterway, Whites Waterway), 6% setback strips |
| The allowed shape | 0% under density overlays | — |
| The rebuild’s receipts | 122 frames filed (2011–2014) | **1,593 frames filed (2010–2017)** |
| The pedal network | 0.0 km inside the outline | **0.0 km inside the outline (0.0 km separated), Heathcote Expressway** |
| The remembered names | — | 4 plaques, Heathcote Domain, Martindales Reserve No. 2 |
| The rules on the ground | 8 drawn rules, Rapaki Runanga | **23 drawn rules, Rapaki Runanga** |
| On the hazard register | 1 parcel (none current) | **4 parcels (2 current)** |
| Made ground on file | 5 parcels (all vouched or natural) | 124 parcels (2 unvouched) |
| Surveyed rocks | 762 rocks (419 fell, 71 wobble easy) | 5,632 rocks (3,375 fell, 279 wobble easy) |
| Cleanups on file | 1 parcel (none verified) | 2 parcels (none verified) |
| The model’s verdict | unlikely (2% of the outline) | unlikely (76% of the outline) |
| Engineered defences | — | 96 defences (1 rated poor) |
| The canopy | 17 trees (no veterans, 16 remembered felled) | **761 trees (11 veterans, 221 remembered felled)** |
| The plan’s word | Rural Banks Peninsula (52% of the outline, 7% residential) | Rural Port Hills (33% of the outline, 12% residential) |
| The plan’s reservations | — | 5% of the outline (5 designations, movement, power & signal) |
| The plan’s exceptions | — | — |
| The listed city | — | 1 scheduled item (1 highly significant) |
| The usual complaints | Water Leak (91), Parks (60), Graffiti (38) | Graffiti (566), Water Leak (389), Roading/Streets (376) |
| Schools | 0 | **1** |
| Parks | 5 | **15** |
| Facilities | 0 | 0 |
| Tracks | 0 | **3** |
| Bus stops | 2 | **25** |
| Bus routes through | 1 | **2** |
| Heritage places | 0 | **3** |

Same record, same caveats, the stream counts reports, not virtue.

## Questions, answered briefly

**What is the difference between Cass Bay and Heathcote Valley?**

Cass Bay covers 2.7 km², Heathcote Valley 8.28 km²; the record holds 540 reports for Cass Bay and 3,300 for Heathcote Valley.

**Which has more heritage places, Cass Bay or Heathcote Valley?**

Heathcote Valley, 3 on the heritage register to the other’s 0.

**Where do these numbers come from?**

The same public record for both, council reports, the crash register, the heritage schedule, Stats NZ’s counts. The stream counts reports, not virtue; the caveats are each suburb’s own.

HTML: https://www.chch.live/compare?a=cass-bay&b=heathcote-valley
Data: https://api.chch.live/suburb?slug=cass-bay · https://api.chch.live/suburb?slug=heathcote-valley