# Ilam vs Upper Riccarton, the record side by side

| | [Ilam](https://www.chch.live/ilam) | [Upper Riccarton](https://www.chch.live/upper-riccarton) |
|---|---|---|
| Population | **10,730 (2023)** | 8,190 (2023) |
| 2023 Census (SA1 join) | **10,224 (indicative)** | 1,521 (indicative) |
| Census households | **2,673** | 480 |
| Under 15 (Census) | 10% | — |
| 65+ (Census) | 10% | — |
| Area | **3.85 km²** | 2.37 km² |
| People per km² | 2,787 | **3,456** |
| Reports filed | 5,640 | **8,815** |
| Rank on the roll | 22nd of 108 | **14th of 108** |
| Reports per km² | 1,465 | **3,719** |
| First report on record | 2015 | 2015 |
| Busiest day | 2023-11-25 (23 reports) | **2017-10-26 (41 reports)** |
| Crashes on record | 313 (2 fatal · 45 serious) | **383 (2 fatal · 62 serious)** |
| Epicentres inside the outline | 1 (biggest M3.1) | — |
| Of the outline, red-zoned | — | — |
| The 2011 grade | — | — |
| Flooded on record | 0.3% (1 event) | **1.1% (1 event)** |
| The sea’s reach | — | — |
| Slope-hazard bands | — | — |
| The remembered ground | — | — |
| The wild ledger | 1% of the outline | **1% of the outline** |
| The kept view | 1% of the outline | **1% of the outline** |
| The waiting water | 0% high-hazard (20% managed) | 0% high-hazard (15% managed) |
| The quiet lines | all of the outline (44% under the airport’s contours), bird-strike buffer | all of the outline, bird-strike buffer |
| The drawn water | **102 reaches (Waimairi Stream, Avon River), 3% setback strips** | 35 reaches (Ilam Drain, Avon River), 1% setback strips |
| The allowed shape | 18% under density overlays, Suburban Density Transition | **58% under density overlays, Medium Density** |
| The rebuild’s receipts | **1,304 frames filed (2010–2014)** | 1,182 frames filed (2011–2014) |
| The pedal network | **0.0 km inside the outline (0.0 km separated), Nor'West Arc, Uni-Cycle** | 0.0 km inside the outline (0.0 km separated), Nor'West Arc, South Express +1 more |
| The remembered names | — | 2 plaques, War Memorial Library/Plunket, Upper Riccarton War Memorial P |
| The rules on the ground | **13 drawn rules, Te Ngai Tuahuriri Runanga** | 8 drawn rules, Te Ngai Tuahuriri Runanga |
| On the hazard register | 6 parcels (3 current) | **12 parcels (8 current)** |
| Made ground on file | 107 parcels (all vouched or natural) | 53 parcels (all vouched or natural) |
| Surveyed rocks | — | — |
| Cleanups on file | 1 parcel (none verified) | — |
| The model’s verdict | possible (56% of the outline) | possible (85% of the outline) |
| Engineered defences | — | — |
| The canopy | **2,437 trees (42 veterans, 1,206 remembered felled)** | 947 trees (8 veterans, 572 remembered felled) |
| The plan’s word | Residential Suburban (40% of the outline, 58% residential) | Medium density residential zone (44% of the outline, 60% residential) |
| The plan’s reservations | 3% of the outline (3 designations, learning) | **8% of the outline (5 designations, learning, movement)** |
| The plan’s exceptions | **30% of the outline (15 matters, utilities, heritage)** | 4% of the outline (6 matters, utilities, heritage, residential) |
| The listed city | **16 scheduled items (10 highly significant)** | 7 scheduled items (none top-graded) |
| The usual complaints | Roading/Streets (763), Dumped Rubbish (662), Graffiti (588) | Dumped Rubbish (2,765), Graffiti (899), Roading/Streets (661) |
| Schools | **3** | 1 |
| Parks | 7 | 7 |
| Facilities | 0 | 0 |
| Tracks | **30** | 16 |
| Bus stops | **38** | 31 |
| Bus routes through | 7 | **10** |
| Heritage places | **15** | 12 |

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

## Questions, answered briefly

**What is the difference between Ilam and Upper Riccarton?**

Ilam counts 10,730 people (2023) to Upper Riccarton's 8,190; Ilam covers 3.85 km², Upper Riccarton 2.37 km²; the record holds 5,640 reports for Ilam and 8,815 for Upper Riccarton.

**Which has more heritage places, Ilam or Upper Riccarton?**

Ilam, 15 on the heritage register to the other’s 12.

**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=ilam&b=upper-riccarton
Data: https://api.chch.live/suburb?slug=ilam · https://api.chch.live/suburb?slug=upper-riccarton