# Sydenham vs Waltham, the record side by side

| | [Sydenham](https://www.chch.live/sydenham) | [Waltham](https://www.chch.live/waltham) |
|---|---|---|
| Population | **6,970 (2023)** | 4,460 (2023) |
| 2023 Census (SA1 join) | **6,774 (indicative)** | 2,175 (indicative) |
| Census households | **3,084** | 999 |
| Under 15 (Census) | — | — |
| 65+ (Census) | — | — |
| Area | **3.04 km²** | 1.77 km² |
| People per km² | 2,293 | **2,520** |
| Reports filed | **23,728** | 9,547 |
| Rank on the roll | **2nd of 108** | 12th of 108 |
| Reports per km² | **7,805** | 5,394 |
| First report on record | 2015 | 2015 |
| Busiest day | **2023-08-30 (144 reports)** | 2022-02-16 (42 reports) |
| Crashes on record | **819 (11 fatal · 139 serious)** | 341 (2 fatal · 81 serious) |
| Epicentres inside the outline | **7 (biggest M4.7)** | 1 (biggest M3.9) |
| Of the outline, red-zoned | — | — |
| The 2011 grade | TC3 (7.2% of the outline) | TC3 (16.3% of the outline) |
| Flooded on record | 1.4% (3 events) | **1.9% (2 events)** |
| The sea’s reach | — | — |
| Slope-hazard bands | — | — |
| The remembered ground | — | — |
| The wild ledger | — | — |
| The kept view | — | — |
| The waiting water | 0% high-hazard (34% managed) | 0% high-hazard (41% managed) |
| The quiet lines | 3% of the outline | — |
| The drawn water | **32 reaches (Jacksons Creek Upper, Heathcote / Opawaho River), 2% setback strips** | 11 reaches (Jacksons Creek Lower, Jacksons Creek Lower Branch), 1% setback strips |
| The allowed shape | 37% under density overlays, Medium Density | **39% under density overlays, Medium Density** |
| The rebuild’s receipts | **7,352 frames filed (2009–2017)** | 4,046 frames filed (2009–2016) |
| The pedal network | **0.0 km inside the outline (0.0 km separated), Quarryman's Trail, Southern Lights +1 more** | 0.0 km inside the outline (0.0 km separated), Heathcote Expressway, Ōpāwaho River |
| The remembered names | 8 plaques, Sydenham School Memorial, Sydenham Park | **10 plaques, Edmonds Factory Garden, Waltham Park** |
| The rules on the ground | 10 drawn rules, Te Ngai Tuahuriri Runanga | **13 drawn rules, Te Ngai Tuahuriri Runanga** |
| On the hazard register | **75 parcels (39 current)** | 51 parcels (36 current) |
| Made ground on file | 65 parcels (20 unvouched) | 32 parcels (11 unvouched) |
| Surveyed rocks | — | — |
| Cleanups on file | 16 parcels (none verified) | 6 parcels (none verified) |
| The model’s verdict | medium (81% of the outline) | medium (64% of the outline) |
| Engineered defences | — | — |
| The canopy | **1,385 trees (31 veterans, 660 remembered felled)** | 965 trees (42 veterans, 635 remembered felled) |
| The plan’s word | Medium density residential zone (33% of the outline, 40% residential) | Medium density residential zone (38% of the outline, 39% residential) |
| The plan’s reservations | 1% of the outline (1 designation, movement) | **16% of the outline (6 designations, movement, learning)** |
| The plan’s exceptions | 4% of the outline (8 matters, residential, heritage, utilities) | **5% of the outline (11 matters, residential, nps matter, heritage)** |
| The listed city | **10 scheduled items (none top-graded)** | 5 scheduled items (1 highly significant) |
| The usual complaints | Graffiti (6,894), Dumped Rubbish (2,439), Graffiti on a fence, building or structure (1,856) | Graffiti (2,232), Dumped Rubbish (1,567), Graffiti on a fence, building or structure (892) |
| Schools | 0 | **2** |
| Parks | **14** | 7 |
| Facilities | 0 | 0 |
| Tracks | **18** | 13 |
| Bus stops | **41** | 17 |
| Bus routes through | **8** | 6 |
| Heritage places | **10** | 6 |

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

## Questions, answered briefly

**What is the difference between Sydenham and Waltham?**

Sydenham counts 6,970 people (2023) to Waltham's 4,460; Sydenham covers 3.04 km², Waltham 1.77 km²; the record holds 23,728 reports for Sydenham and 9,547 for Waltham.

**Which has more heritage places, Sydenham or Waltham?**

Sydenham, 10 on the heritage register to the other’s 6.

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