# Mairehau vs Redwood, the record side by side

| | [Mairehau](https://www.chch.live/mairehau) | [Redwood](https://www.chch.live/redwood) |
|---|---|---|
| Population | 7,100 (2023) | **8,400 (2023)** |
| 2023 Census (SA1 join) | 7,053 (indicative) | **8,079 (indicative)** |
| Census households | 2,670 | **3,075** |
| Under 15 (Census) | 18% | 18% |
| 65+ (Census) | **17%** | 16% |
| Area | **4.53 km²** | 4.38 km² |
| People per km² | 1,567 | **1,918** |
| Reports filed | **6,750** | 4,975 |
| Rank on the roll | **19th of 108** | 28th of 108 |
| Reports per km² | **1,490** | 1,136 |
| First report on record | 2015 | 2015 |
| Busiest day | **2016-04-21 (57 reports)** | 2020-01-07 (13 reports) |
| Crashes on record | 269 (4 fatal · 44 serious) | **271 (5 fatal · 51 serious)** |
| Epicentres inside the outline | — | 1 (biggest M3.3) |
| Of the outline, red-zoned | — | — |
| The 2011 grade | TC2 (77.9% of the outline) | TC2 (105.1% of the outline) |
| Flooded on record | **38.9% (2 events)** | 20.0% (1 event) |
| The sea’s reach | — | — |
| Slope-hazard bands | — | — |
| The remembered ground | — | 1% of the outline |
| The wild ledger | — | 2% of the outline |
| The kept view | — | 1% of the outline |
| The waiting water | **9% high-hazard (65% managed), 5 ponding** | 0% high-hazard (31% managed), 1 ponding |
| The quiet lines | 72% of the outline, bird-strike buffer | **all of the outline, bird-strike buffer** |
| The drawn water | **173 reaches (Dudley Creek, Winters Road Drain), 7% setback strips** | 53 reaches (Prestons Creek, Horners Drain), 3% setback strips, held edge |
| The allowed shape | **7% under density overlays, Suburban Density Transition** | 3% under density overlays, New Neighbourhood |
| The rebuild’s receipts | **2,710 frames filed (2001–2017)** | 1,355 frames filed (2010–2014) |
| The pedal network | **0.0 km inside the outline** | 0.0 km inside the outline (0.0 km separated), Northern Line |
| The remembered names | 1 plaque, Walter Park | **2 plaques, Murchison Park, Owen Mitchell Park** |
| The rules on the ground | 5 drawn rules, Te Ngai Tuahuriri Runanga | **7 drawn rules, Te Ngai Tuahuriri Runanga** |
| On the hazard register | **10 parcels (1 current)** | 5 parcels (3 current) |
| Made ground on file | 127 parcels (9 unvouched) | 213 parcels (2 unvouched) |
| Surveyed rocks | — | — |
| Cleanups on file | 7 parcels (1 verified) | — |
| The model’s verdict | medium (51% of the outline) | possible (54% of the outline) |
| Engineered defences | — | — |
| The canopy | 1,656 trees (6 veterans, 751 remembered felled) | **2,703 trees (7 veterans, 1,203 remembered felled)** |
| The plan’s word | Residential Suburban (42% of the outline, 57% residential) | Residential Suburban (46% of the outline, 67% residential) |
| The plan’s reservations | **23% of the outline (11 designations, pipes, movement, learning)** | 19% of the outline (10 designations, movement, learning) |
| The plan’s exceptions | — | — |
| The listed city | — | — |
| The usual complaints | Graffiti (1,308), Water Leak (757), Roading/Streets (638) | Graffiti (805), Water Leak (455), Roading/Streets (439) |
| Schools | 1 | **2** |
| Parks | 11 | **16** |
| Facilities | 0 | **1** |
| Tracks | **18** | 12 |
| Bus stops | 32 | **34** |
| Bus routes through | 5 | **7** |
| Heritage places | 0 | 0 |

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

## Questions, answered briefly

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

Mairehau counts 7,100 people (2023) to Redwood's 8,400; Mairehau covers 4.53 km², Redwood 4.38 km²; the record holds 6,750 reports for Mairehau and 4,975 for Redwood.

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