13Words explainedWhat the terms mean
- 1-in-100-year flood (1% AEP)
- A flood big enough that it has a 1% chance of happening in any given year. Over a 30-year mortgage that adds up to about a 26% chance. "AEP" means annual exceedance probability.
- Capital value (CV)
- The council’s valuation used to set rates, updated every three years. It is not a market price, and sale prices are often higher or lower.
- Emissions scenarios
- Future sea levels depend on how much the world cuts greenhouse gases. "Middle" assumes moderate cuts (the IPCC’s SSP2-4.5). "High" assumes emissions keep growing (SSP5-8.5).
- Flood plain
- Land that rivers and streams spread over in a severe flood. Auckland Council maps the area a flood with a 1% chance of happening in any year would cover, allowing for heavier rain in future.
- Landslide susceptibility
- How likely the land is to slip, based on its slope, soil and history. "Shallow" slips happen in heavy rain; "large-scale" movement is deeper and rarer.
- Legal description
- How the land is identified on its title, for example "Lot 1 DP 50386" (lot 1 on deposited plan 50386).
- LIM (Land Information Memorandum)
- A report from the council with everything it holds about a property: building consents, hazards, rates, and any notices. Costs about $300–$560 and takes up to 10 working days.
- Liquefaction
- In a strong earthquake, wet sandy or silty ground can briefly behave like liquid, which can sink and crack foundations. Most of Auckland is low risk.
- Plan Change 120
- A council proposal, under consultation, to change housing rules so more homes can be built near town centres and transport. Some areas keep stricter rules because of special conditions the law calls "qualifying matters" (for example heritage, flooding or infrastructure limits).
- Resource consent
- Council permission to do something the planning rules don’t allow as of right. It costs money and takes time, and may be declined.
- School enrolment zone
- If you live in a school’s zone, it must offer your child a place. Out-of-zone places go by ballot, if there are any.
- Sea-level rise and land movement
- How much higher the sea is expected to be in future. Where the land itself is slowly sinking, the sea rises faster relative to it. Projections come from NZ SeaRise, a national research programme.
- Zone (Auckland Unitary Plan)
- The Auckland Unitary Plan is the council’s rulebook for land use. Every property has a zone that sets what you can build: how many homes, how high, and how close to the boundary.
SourcesWhere this information comes from
- Flooding, land and coast
- Auckland Council hazard maps: flood plains, flood-prone and flood-sensitive areas, overland flow paths, coastal inundation, coastal erosion (2050, 2080, 2130), liquefaction and landslide maps
- Sea-level rise
- NZ SeaRise (Victoria University of Wellington, GNS Science, NIWA and partners), CC BY 4.0
- Tsunami zones
- Auckland Emergency Management
- Zoning and planning rules
- Auckland Unitary Plan and the Plan Change 120 property summary, Auckland Council, CC BY 4.0
- Council valuation
- Auckland Council 2024 revaluation
- Address, boundary and photo
- Land Information New Zealand (LINZ): NZ Addresses, NZ Primary Parcels and LINZ aerial imagery, CC BY 4.0
- Schools
- Ministry of Education school directory and enrolment zones
- Neighbourhood
- Stats NZ 2023 Census, CC BY 4.0
- Transport and places
- Auckland Council rapid transit network stops; shops, parks and services from © OpenStreetMap contributors (ODbL)
- Rates estimate
- Auckland Council 2026/27 rates: uniform annual general charge, general and targeted rates, and the standard waste service
Information was read on 10 October 2026. This report summarises public council and government data to help you decide which properties deserve a closer look. It is not a council LIM, a valuation, a building inspection, or legal, financial or insurance advice. Maps are a guide, may be out of date, and can be imprecise at property boundaries. Always read the LIM, get a building inspection and take professional advice before you buy. Contains data sourced from LINZ, Auckland Council and Stats NZ, licensed for reuse under CC BY 4.0.