# Clifton vs Sumner, the record side by side

| | [Clifton](https://www.chch.live/clifton) | [Sumner](https://www.chch.live/sumner) |
|---|---|---|
| Population | 1,950 (2023) | **3,490 (2023)** |
| 2023 Census (SA1 join) | 1,881 (indicative) | **3,414 (indicative)** |
| Census households | 738 | **1,344** |
| Under 15 (Census) | 15% | — |
| 65+ (Census) | 22% | — |
| Area | 0.85 km² | **11.99 km²** |
| People per km² | **2,294** | 291 |
| Reports filed | 1,401 | **4,633** |
| Rank on the roll | 72nd of 108 | **32nd of 108** |
| Reports per km² | **1,648** | 386 |
| First report on record | 2015 | 2015 |
| Busiest day | 2023-06-10 (8 reports) | **2023-06-20 (49 reports)** |
| Crashes on record | 19 (1 fatal · 9 serious) | **75 (4 fatal · 22 serious)** |
| Epicentres inside the outline | 7 (biggest M3.5) | **101 (biggest M5.3)** |
| Of the outline, red-zoned | **5.6% (5 ha)** | 2.5% (30 ha) |
| The 2011 grade | — | TC2 (6.3% of the outline) |
| Flooded on record | — | 2.5% (2 events) |
| The sea’s reach | 5% of the outline | **10% of the outline** |
| Slope-hazard bands | **14% of the outline (+83% broad overlay)** | 10% of the outline (+80% broad overlay) |
| The remembered ground | **100% of the outline** | 55% of the outline |
| The wild ledger | 2% of the outline | — |
| The kept view | 5% of the outline (+1% outstanding) | **83% of the outline (+82% outstanding)** |
| The waiting water | — | 0% high-hazard (6% managed) |
| The quiet lines | — | — |
| The drawn water | 19 reaches (Panorama Road Outfall, Kinsey Terrace Drain), 2% setback strips, held edge | **87 reaches (Sumner Stream, Richmond Hill Waterway), 8% setback strips, held edge** |
| The allowed shape | **2% under density overlays, Hills** | 0% under density overlays, 9 bach settlements |
| The rebuild’s receipts | **1,494 frames filed (2010–2016)** | 1,042 frames filed (2011–2017) |
| The pedal network | **0.0 km inside the outline, Te Ara Ihutai Coastal Pathway** | 0.0 km inside the outline, Te Ara Ihutai Coastal Pathway |
| The remembered names | 3 plaques, Shag Rock Reserve, Brownlee Reserve | **24 plaques, Scarborough Park, Port Hills 11 Rrz Land** |
| The rules on the ground | 6 drawn rules, Te Ngai Tuahuriri Runanga | **29 drawn rules, Rapaki Runanga** |
| On the hazard register | 1 parcel (1 current) | **2 parcels (1 current)** |
| Made ground on file | 56 parcels (all vouched or natural) | 54 parcels (2 unvouched) |
| Surveyed rocks | 136 rocks (77 fell, 4 wobble easy) | 6,354 rocks (3,792 fell, 1,176 wobble easy) |
| Cleanups on file | 1 parcel (1 verified) | 1 parcel (none verified) |
| The model’s verdict | unlikely (94% of the outline) | unlikely (43% of the outline) |
| Engineered defences | 1 defence (none rated poor) | 47 defences (none rated poor) |
| The canopy | 137 trees (no veterans, 83 remembered felled) | **683 trees (5 veterans, 444 remembered felled)** |
| The plan’s word | Residential Hills (73% of the outline, 75% residential) | Open Space Natural (68% of the outline, 11% residential) |
| The plan’s reservations | — | 1% of the outline (2 designations, power & signal, learning) |
| The plan’s exceptions | **2% of the outline (5 matters, section 6, heritage)** | 1% of the outline (3 matters, section 6) |
| The listed city | 1 scheduled item (1 highly significant) | **13 scheduled items (2 highly significant)** |
| The usual complaints | Roading/Streets (189), Graffiti (129), Parks (119) | Parks (483), Graffiti (479), Water Leak (466) |
| Schools | 0 | **3** |
| Parks | 5 | **13** |
| Facilities | 0 | **1** |
| Tracks | 1 | **9** |
| Bus stops | 3 | **24** |
| Bus routes through | 1 | 1 |
| Heritage places | 1 | **39** |

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

## Questions, answered briefly

**What is the difference between Clifton and Sumner?**

Clifton counts 1,950 people (2023) to Sumner's 3,490; Clifton covers 0.85 km², Sumner 11.99 km²; the record holds 1,401 reports for Clifton and 4,633 for Sumner.

**Which has more heritage places, Clifton or Sumner?**

Sumner, 39 on the heritage register to the other’s 1.

**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=clifton&b=sumner
Data: https://api.chch.live/suburb?slug=clifton · https://api.chch.live/suburb?slug=sumner