# Cass Bay vs Lyttelton, the record side by side

| | [Cass Bay](https://www.chch.live/cass-bay) | [Lyttelton](https://www.chch.live/lyttelton) |
|---|---|---|
| Population | — | 3,220 (June 2025) |
| 2023 Census (SA1 join) | 3,117 (indicative) | 3,117 (indicative) |
| Census households | 1,353 | 1,353 |
| Under 15 (Census) | 15% | 15% |
| 65+ (Census) | 17% | 17% |
| Area | 2.7 km² | **6.27 km²** |
| People per km² | — | 514 |
| Reports filed | 540 | **5,545** |
| Rank on the roll | 86th of 108 | **23rd of 108** |
| Reports per km² | 200 | **884** |
| First report on record | 2015 | 2015 |
| Busiest day | 2022-01-16 (8 reports) | **2026-01-07 (72 reports)** |
| Crashes on record | 16 (0 fatal · 2 serious) | **78 (2 fatal · 22 serious)** |
| Epicentres inside the outline | 11 (biggest M4.2) | **28 (biggest M4.1)** |
| Of the outline, red-zoned | — | 1.8% (11 ha) |
| The 2011 grade | — | — |
| Flooded on record | — | 1.0% (1 event) |
| The sea’s reach | 1% of the outline | **13% of the outline** |
| Slope-hazard bands | 21% of the outline (+79% broad overlay) | **26% of the outline (+57% broad overlay)** |
| The remembered ground | 17% of the outline (+56% silent-file) | **85% of the outline** |
| The wild ledger | — | — |
| The kept view | **90% of the outline (+60% outstanding), 1 ridgeline** | 42% of the outline (+24% outstanding) |
| The waiting water | — | — |
| The quiet lines | — | — |
| The drawn water | **12 reaches, 10% setback strips** | 14 reaches, 4% setback strips, held edge |
| The allowed shape | 0% under density overlays | 0% under density overlays |
| The rebuild’s receipts | 122 frames filed (2011–2014) | **2,646 frames filed (2010–2017)** |
| The pedal network | 0.0 km inside the outline | — |
| The remembered names | — | 20 plaques, Sumner Road Gardens, Oxford Street Reserve |
| The rules on the ground | 8 drawn rules, Rapaki Runanga | **18 drawn rules, Rapaki Runanga** |
| On the hazard register | 1 parcel (none current) | **10 parcels (9 current)** |
| Made ground on file | 5 parcels (all vouched or natural) | 13 parcels (3 unvouched) |
| Surveyed rocks | 762 rocks (419 fell, 71 wobble easy) | 1,023 rocks (612 fell, 48 wobble easy) |
| Cleanups on file | 1 parcel (none verified) | 1 parcel (none verified) |
| The model’s verdict | unlikely (2% of the outline) | unlikely (1% of the outline) |
| Engineered defences | — | 45 defences (4 rated poor) |
| The canopy | 17 trees (no veterans, 16 remembered felled) | **179 trees (5 veterans, 51 remembered felled)** |
| The plan’s word | Rural Banks Peninsula (52% of the outline, 7% residential) | Open Space Natural (27% of the outline, 15% residential) |
| The plan’s reservations | — | 4% of the outline (5 designations, movement, pipes) |
| The plan’s exceptions | — | 1% of the outline (1 matter, heritage) |
| The listed city | — | 74 scheduled items (15 highly significant) |
| The usual complaints | Water Leak (91), Parks (60), Graffiti (38) | Graffiti (1,256), Water Leak (654), Roading/Streets (588) |
| Schools | 0 | **1** |
| Parks | 5 | **16** |
| Facilities | 0 | **4** |
| Tracks | 0 | **2** |
| Bus stops | 2 | **11** |
| Bus routes through | 1 | **3** |
| Heritage places | 0 | **75** |

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

## Questions, answered briefly

**What is the difference between Cass Bay and Lyttelton?**

Cass Bay covers 2.7 km², Lyttelton 6.27 km²; the record holds 540 reports for Cass Bay and 5,545 for Lyttelton.

**Which has more heritage places, Cass Bay or Lyttelton?**

Lyttelton, 75 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=lyttelton
Data: https://api.chch.live/suburb?slug=cass-bay · https://api.chch.live/suburb?slug=lyttelton