# Mairehau vs Shirley, the record side by side

| | [Mairehau](https://www.chch.live/mairehau) | [Shirley](https://www.chch.live/shirley) |
|---|---|---|
| Population | 7,100 (2023) | **7,140 (2023)** |
| 2023 Census (SA1 join) | **7,053 (indicative)** | 6,876 (indicative) |
| Census households | **2,670** | 2,565 |
| Under 15 (Census) | **18%** | 17% |
| 65+ (Census) | 17% | **19%** |
| Area | **4.53 km²** | 2.75 km² |
| People per km² | 1,567 | **2,596** |
| Reports filed | **6,772** | 4,701 |
| Rank on the roll | **19th of 108** | 31st of 108 |
| Reports per km² | 1,495 | **1,709** |
| First report on record | 2015 | 2015 |
| Busiest day | **2016-04-21 (57 reports)** | 2022-01-04 (36 reports) |
| Crashes on record | **270 (4 fatal · 44 serious)** | 248 (1 fatal · 50 serious) |
| Epicentres inside the outline | — | 2 (biggest M3.2) |
| Of the outline, red-zoned | — | — |
| The 2011 grade | TC2 (77.9% of the outline) | — |
| Flooded on record | **38.9% (2 events)** | 2.0% (1 event) |
| The sea’s reach | — | — |
| Slope-hazard bands | — | — |
| The remembered ground | — | — |
| The wild ledger | — | 1% of the outline |
| The kept view | — | — |
| The waiting water | **9% high-hazard (65% managed), 5 ponding** | 0% high-hazard (27% managed) |
| The quiet lines | 72% of the outline, bird-strike buffer | — |
| The drawn water | **173 reaches (Dudley Creek, Winters Road Drain), 7% setback strips** | 29 reaches (Shirley Stream, No 1 Drain), 2% setback strips |
| The allowed shape | 7% under density overlays, Suburban Density Transition | **35% under density overlays, Medium Density** |
| The rebuild’s receipts | **2,710 frames filed (2001–2017)** | 1,794 frames filed (2010–2016) |
| The pedal network | **0.0 km inside the outline** | 0.0 km inside the outline |
| The remembered names | 1 plaque, Walter 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)** | 2 parcels (2 current) |
| Made ground on file | 127 parcels (9 unvouched) | 184 parcels (1 unvouched) |
| Surveyed rocks | — | — |
| Cleanups on file | 7 parcels (1 verified) | — |
| The model’s verdict | medium (51% of the outline) | medium (82% of the outline) |
| Engineered defences | — | — |
| The canopy | **1,656 trees (6 veterans, 751 remembered felled)** | 1,047 trees (3 veterans, 692 remembered felled) |
| The plan’s word | Residential Suburban (42% of the outline, 57% residential) | Open Space Metropolitan Facilities (19% of the outline, 51% residential) |
| The plan’s reservations | **23% of the outline (11 designations, pipes, movement, learning)** | 4% of the outline (3 designations, learning) |
| The plan’s exceptions | — | 15% of the outline (1 matter, infrastructure) |
| The listed city | — | — |
| The usual complaints | Graffiti (1,308), Water Leak (758), Roading/Streets (638) | Graffiti (1,285), Water Leak (457), Roading/Streets (404) |
| Schools | 1 | **2** |
| Parks | **11** | 10 |
| Facilities | 0 | **2** |
| Tracks | **18** | 9 |
| Bus stops | 32 | **38** |
| Bus routes through | 5 | **8** |
| Heritage places | 0 | 0 |

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

## Questions, answered briefly

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

Mairehau counts 7,100 people (2023) to Shirley's 7,140; Mairehau covers 4.53 km², Shirley 2.75 km²; the record holds 6,772 reports for Mairehau and 4,701 for Shirley.

**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=shirley
Data: https://api.chch.live/suburb?slug=mairehau · https://api.chch.live/suburb?slug=shirley