# The allowed shape

The district plan’s build-shape layers, 1,827 records across 3,410 hectares: the residential overlay standings, the CBD build-height limits at 22 to 39 metres, the hill density lines, the numbered bach settlements, the central-city walking catchment, and Akaroa’s heritage character area. Where /zones is the parcel’s own word, this is the shape the plan permits overall.

## The residential overlays

- Residential Suburban Overlay: 674 areas, 1,151 ha
- Residential Medium Density Overlay: 549 areas, 811 ha
- Residential Suburban Density Transition Overlay: 390 areas, 662 ha
- Residential New Neighbourhood Overlay: 29 areas, 217 ha
- Residential Central City Overlay: 78 areas, 86 ha
- Residential Hills Overlay: 5 areas, 4 ha
- Residential Banks Peninsula Overlay: 12 areas, 3 ha

## The build-height limits

- 22 m build limit: 10 areas, 12 ha
- 28 m build limit: 1 area, 2 ha
- 30 m build limit: 1 area, 2 ha
- 32 m build limit: 6 areas, 5 ha
- 39 m build limit: 3 areas, 5 ha

## The lines, the baches, the named areas

- Central-city walking catchment: 1 area, 403 ha
- Akaroa character area: 1 area, 48 ha
- Hill density line: 18 lines, 750.3 km
- Bach settlements (scheduled): 30 settlements
- Bach settlements: 19 settlements

## The suburbs in the shape

By share of outline inside the residential overlays, a sampled join, so a sliver still counts. The standing named is the suburb’s densest.

- Edgeware: 76% inside the overlays, Residential Medium Density Overlay
- Spreydon: 67% inside the overlays, Residential Medium Density Overlay
- Papanui: 62% inside the overlays, Residential Medium Density Overlay
- Upper Riccarton: 58% inside the overlays, Residential Medium Density Overlay
- Linwood: 58% inside the overlays, Residential Medium Density Overlay
- Riccarton: 53% inside the overlays, Residential Medium Density Overlay
- Saint Albans: 52% inside the overlays, Residential Medium Density Overlay
- Northcote: 49% inside the overlays, Residential Medium Density Overlay
- Phillipstown: 48% inside the overlays, Residential Medium Density Overlay
- Richmond: 41% inside the overlays, Residential Medium Density Overlay
- Waltham: 39% inside the overlays, Residential Medium Density Overlay
- Merivale: 37% inside the overlays, Residential Medium Density Overlay
- Sydenham: 37% inside the overlays, Residential Medium Density Overlay, in the walking catchment
- Shirley: 35% inside the overlays, Residential Medium Density Overlay
- Somerfield: 31% inside the overlays, Residential Suburban Density Transition Overlay

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Christchurch City Council open data, the DistrictPlanB service’s build-shape layers (the residential overlays, the CBD build-height limits, the hill density lines, the bach settlements, the walking catchment, and the heritage character area). The plan’s permission, not a survey of what stands. A point’s own answer: https://www.chch.live/before · the parcel’s own word: https://www.chch.live/zones. The files: https://www.chch.live/density.json · https://www.chch.live/density.geojson · by suburb: https://www.chch.live/suburb-density.json