# Dallington vs Mairehau, the record side by side

| | [Dallington](https://www.chch.live/dallington) | [Mairehau](https://www.chch.live/mairehau) |
|---|---|---|
| Population | 2,560 (2023) | **7,100 (2023)** |
| 2023 Census (SA1 join) | 2,430 (indicative) | **7,053 (indicative)** |
| Census households | 978 | **2,670** |
| Under 15 (Census) | 18% | 18% |
| 65+ (Census) | 17% | 17% |
| Area | 1.33 km² | **4.53 km²** |
| People per km² | **1,925** | 1,567 |
| Reports filed | 3,314 | **6,750** |
| Rank on the roll | 44th of 108 | **19th of 108** |
| Reports per km² | **2,492** | 1,490 |
| First report on record | 2015 | 2015 |
| Busiest day | 2022-08-05 (31 reports) | **2016-04-21 (57 reports)** |
| Crashes on record | 30 (1 fatal · 7 serious) | **269 (4 fatal · 44 serious)** |
| Epicentres inside the outline | 2 (biggest M3.3) | — |
| Of the outline, red-zoned | 97.7% (130 ha) | — |
| The 2011 grade | TC2 (47.3% of the outline) | TC2 (77.9% of the outline) |
| Flooded on record | 27.0% (2 events) | **38.9% (2 events)** |
| The sea’s reach | — | — |
| Slope-hazard bands | — | — |
| The remembered ground | 2% of the outline | — |
| The wild ledger | 3% of the outline | — |
| The kept view | 2% of the outline | — |
| The waiting water | 7% high-hazard (85% managed) | **9% high-hazard (65% managed), 5 ponding** |
| The quiet lines | — | 72% of the outline, bird-strike buffer |
| The drawn water | **7 reaches (Avon River, Moyna Ave Drain), 13% setback strips, held edge** | 173 reaches (Dudley Creek, Winters Road Drain), 7% setback strips |
| The allowed shape | **7% under density overlays, Suburban Density Transition** | 7% under density overlays, Suburban Density Transition |
| The rebuild’s receipts | 1,666 frames filed (2001–2017) | **2,710 frames filed (2001–2017)** |
| The pedal network | 0.0 km inside the outline (0.0 km separated), City to Sea Pathway | **0.0 km inside the outline** |
| The remembered names | **2 plaques, Avon Corridor 5 Rrz Land** | 1 plaque, Walter Park |
| The rules on the ground | 3 drawn rules, Te Ngai Tuahuriri Runanga | **5 drawn rules, Te Ngai Tuahuriri Runanga** |
| On the hazard register | — | 10 parcels (1 current) |
| Made ground on file | 83 parcels (2 unvouched) | 127 parcels (9 unvouched) |
| Surveyed rocks | — | — |
| Cleanups on file | — | 7 parcels (1 verified) |
| The model’s verdict | high (74% of the outline) | medium (51% of the outline) |
| Engineered defences | — | — |
| The canopy | 753 trees (42 veterans, 323 remembered felled) | **1,656 trees (6 veterans, 751 remembered felled)** |
| The plan’s word | Specific Purpose (Otakaro Avon River Corridor) (54% of the outline, 32% residential) | Residential Suburban (42% of the outline, 57% residential) |
| The plan’s reservations | 2% of the outline (1 designation, learning) | **23% of the outline (11 designations, pipes, movement, learning)** |
| The plan’s exceptions | — | — |
| The listed city | — | — |
| The usual complaints | Rubbish/Recycling (740), Graffiti (554), Dumped Rubbish (539) | Graffiti (1,308), Water Leak (757), Roading/Streets (638) |
| Schools | 0 | **1** |
| Parks | 3 | **11** |
| Facilities | 0 | 0 |
| Tracks | 2 | **18** |
| Bus stops | 3 | **32** |
| Bus routes through | 1 | **5** |
| Heritage places | 0 | 0 |

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

## Questions, answered briefly

**What is the difference between Dallington and Mairehau?**

Dallington counts 2,560 people (2023) to Mairehau's 7,100; Dallington covers 1.33 km², Mairehau 4.53 km²; the record holds 3,314 reports for Dallington and 6,750 for Mairehau.

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