# Casebrook vs Coutts Island, the record side by side

| | [Casebrook](https://www.chch.live/casebrook) | [Coutts Island](https://www.chch.live/coutts-island) |
|---|---|---|
| Population | 6,720 (2023) | — |
| 2023 Census (SA1 join) | 6,090 (indicative) | — |
| Census households | 2,382 | — |
| Under 15 (Census) | 15% | — |
| 65+ (Census) | 23% | — |
| Area | 3.44 km² | **12.01 km²** |
| People per km² | 1,953 | — |
| Reports filed | **2,977** | 427 |
| Rank on the roll | **51st of 108** | 90th of 108 |
| Reports per km² | **865** | 36 |
| First report on record | 2015 | 2015 |
| Busiest day | **2026-09-04 (15 reports)** | 2026-10-01 (7 reports) |
| Crashes on record | **75 (1 fatal · 21 serious)** | 5 (0 fatal · 2 serious) |
| Epicentres inside the outline | — | 2 (biggest M3.2) |
| Of the outline, red-zoned | — | — |
| The 2011 grade | TC2 (13.4% of the outline) | — |
| Flooded on record | 11.8% (1 event) | — |
| The sea’s reach | — | — |
| Slope-hazard bands | — | — |
| The remembered ground | — | 2% of the outline |
| The wild ledger | 3% of the outline | **7% of the outline** |
| The kept view | 4% of the outline | **13% of the outline (+13% outstanding)** |
| The waiting water | 0% high-hazard (41% managed) | **11% high-hazard** |
| The quiet lines | **all of the outline (4% under the airport’s contours), bird-strike buffer** | 88% of the outline (85% under the airport’s contours), bird-strike buffer |
| The drawn water | 105 reaches (Styx Drain, Cavendish Stream), 9% setback strips, held edge | **104 reaches (Waimakariri River South Branch, Otukaikino Creek), 13% setback strips, held edge** |
| The allowed shape | — | — |
| The rebuild’s receipts | 791 frames filed (2010–2014) | — |
| The pedal network | 0.0 km inside the outline (0.0 km separated), Northern Line | — |
| The remembered names | 1 plaque, Tulett Park | **8 plaques, Coutts Island War Memorial, Groynes** |
| The rules on the ground | 6 drawn rules, Te Ngai Tuahuriri Runanga | **7 drawn rules, Te Ngai Tuahuriri Runanga** |
| On the hazard register | **4 parcels (1 current)** | 1 parcel (none current) |
| Made ground on file | 218 parcels (3 unvouched) | 3 parcels (all vouched or natural) |
| Surveyed rocks | — | — |
| Cleanups on file | 4 parcels (none verified) | — |
| The model’s verdict | possible (52% of the outline) | possible (98% of the outline) |
| Engineered defences | — | — |
| The canopy | **2,599 trees (4 veterans, 672 remembered felled)** | 51 trees (7 veterans, 16 remembered felled) |
| The plan’s word | Residential New Neighbourhood (34% of the outline, 68% residential) | Rural Waimakariri (75% of the outline) |
| The plan’s reservations | 2% of the outline (2 designations, learning, movement) | — |
| The plan’s exceptions | — | — |
| The listed city | — | — |
| The usual complaints | Dumped Rubbish (277), Overgrown Vegetation (253), Parks (251) | Dumped Rubbish (121), Parks (58), Rubbish/Recycling (44) |
| Schools | **1** | 0 |
| Parks | **13** | 4 |
| Facilities | **1** | 0 |
| Tracks | **8** | 1 |
| Bus stops | 32 | — |
| Bus routes through | 3 | — |
| Heritage places | 0 | **1** |

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

## Questions, answered briefly

**What is the difference between Casebrook and Coutts Island?**

Casebrook covers 3.44 km², Coutts Island 12.01 km²; the record holds 2,977 reports for Casebrook and 427 for Coutts Island.

**Which has more heritage places, Casebrook or Coutts Island?**

Coutts Island, 1 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=casebrook&b=coutts-island
Data: https://api.chch.live/suburb?slug=casebrook · https://api.chch.live/suburb?slug=coutts-island