District Advice

Horizons’ district advice coordinator provides natural hazards information to the public and territorial authorities in our region. The most common advice sought is around the risk of flooding and this information is used to guide development in areas that may be at risk.

The Real Estate Agents Authority (REAA) is an independent government body which regulates the real estate agent sector in New Zealand. The REAA website includes information on what you need to know when buying or selling property.

Information requests

Our district advice coordinator can provide useful information such as:

  • Hazard information and flood history to inform sale or purchase of property;
  • Whether a property was recorded as being affected by previous flood events;
  • Advice on flood inundation levels when building a new dwelling or extension (this may be required by a city or district council as information for a building consent); and
  • Facts for insurance purposes.

Please use our online form to log any new District Advice requests. Search the property details by entering the residential street address, e.g. 11 Victoria Avenue (please don’t include the town/city) or search by the valuation number, e.g. 14610 828 00. There is a ‘searching time’ icon in the bottom right-hand corner of the webpage that shows the length of time to locate the address. Please provide the purpose of your request and attach or drag and drop any relevant documents. We aim to get back to you within ten working days.

District Advice Request Online Form

Please use Horizons Maps | Public viewer to find more information held by Horizons. Select the ‘Property - District Advice’ map for LINZ property information, soil information, groundwater bores, Land Use Capability (LUC) as shown in the NZ Land Resource Inventory (NZLRI), and other Horizons land/river management information. To view modelled wet extents from our flood plain modelling please select the ‘Modelled wet extents’ map. For Horizons resource consent information select the ‘Regulatory Activity’ map.

Please let us know if you have any feedback.

Regional scale information on known active faults can be accessed on the GNS Science website.

District Advice and the One Plan

Horizons’ One Plan aims to discourage houses, businesses, community facilities and infrastructure being in locations that are likely to be inundated during a 1 in 200 year flood event.

However, as the One Plan only contains flood hazard policies, not rules, our role is to provide city and district councils, as building consent authorities, with useful data to help with decision making around plan changes and subdivision development. This includes flood hazard information and floor level recommendations.

The final decision on any subdivision or building consent application lies with those councils. In cases where flood hazards can’t be avoided, we work with city and district councils to consider flood mitigation measures. We also provide advice on any resource consents that may be required from us.

Flood Hazards and the One Plan - Information for Territorial Authorities (PDF - 2MB)


If you own a dam or canal, or are planning to construct, modify or remove a dam, canal or structure associated with a dam, you will need to consider whether you need a consent. Horizons is responsible for dam activities within the Region and our district advice coordinator is available to assist with consent applications.  For more information on this service please see the factsheet below.

Dam factsheet


Before undertaking any work to do with a dam or canal please read this factsheet.