Developer Contributions Supplementary Guidance
Contribution Zone approach
Related information
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This guidance explains the use of ‘contribution zones’ which are referred to in City Plan Policy Inf 3 and its supporting paragraphs 3.208- 3.213. Contribution zones are identified and apply to infrastructure proposals where it either:
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Mitigates the impact of more than one site and the cumulative impact of more than one development requires a combined solution to mitigate their impacts, or
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Where the infrastructure proposal cannot be reasonably delivered directly by a developer (for example it requires an action on third party land) and
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Allows the calculation of the proportional cost of the impact of development when that intervention also serves the wider, existing community within the zone.
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For each contribution zone, this guidance (in appendices and supporting information addendums) provides details on:
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The geographical extent and how it relates to the action, as this varies by type and nature of the infrastructure.
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How the actions identified in each zone relate directly to the development proposed within that contribution zone.
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How the cost of delivering infrastructure with zones (including land requirements, where necessary) is shared fairly between all developments which fall within the zone, with contributions proportionately calculated in relation to impact.
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Generally, the cumulative contribution zone approach allows a fairer sharing of costs among development who impact on infrastructure, and away from a ‘first come first served’ approach.
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Generally, a per unit rate has been calculated based on the housing output from allocated City Plan sites within a zone, divided by the estimated total cost (discounting existing community need, as appropriate). If additional housing is proposed, this too will need to contribute using the same methodology. If this were to result in more contributions that the cost of delivering the infrastructure, repayments can be made to developers.