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• Maritime boundary definitions

  Find out more about New Zealand's maritime zones and boundaries.
  Guidance

  • Marine information

• DCDB Data Characteristics

  This document describes the structure and content of data in Land Information NZ's Digital Cadastral Database (DCDB).
  Resource

  • Data

• Property title

  Property titles give an accurate and up-to-date picture of legal ownership of land in New Zealand. Information on researching, purchasing and updating property titles is below.
  Page

  • Land registration

• Privacy

  As a New Zealand government department, Toitū Te Whenua Land Information New Zealand is subject to the Privacy Act 2020. This page outlines the type and extent of information that we may gather when you interact with the linz.govt.nz or charts.linz.govt.…
  Page

  • Corporate

• Investing in land if you are planning to live in New Zealand

  Find out about investing in sensitive land when you are intending to live in New Zealand indefinitely.
  Guidance

  • Overseas investment

• Comply with the conditions of your consent

  Find out what information you need to provide to show you have met the conditions of your consent.
  Guidance

  • Overseas investment

• Where to find maps

  Toitū Te Whenua's topographic maps are available to the public through bookshops, outdoor stores and information centres.
  Page

  • Topography

• Lease rent review

  Find out about the process we use for rent reviews, and the formula we use to calculate the rent.
  Guidance

  • Crown property

• Biosecurity control work

  Our annual biosecurity control programme identifies the region and sites where we are proposing to carry out pest and weed control, and what biosecurity control methods we intend to use at each site.
  Page

  • Crown property

• Business groups

  Find out about our business groups at Toitū Te Whenua.
  Page

  • Corporate

• Careers

  We offer an exciting and challenging range of career opportunities.
  Page

  • Corporate

• Tides glossary

  Definitions of common tidal terms.
  Guidance

  • Marine information

• Analysis and prediction of tides

  The tide you see is a combination of all the different water movements happening at that location.
  Guidance

  • Marine information

• Hydrography standards and technical specifications

  Standards and specifications for hydrographic surveys and the production of nautical charts and publications, and links to International Hydrographic Organization (IHO) resources.
  Guidance

  • Marine information

• Applying corrections to charts and nautical publications

  You can keep your charts and nautical publications up to date using our Notices to Mariners.
  Guidance

  • Marine information

• RINEX data archive

  The PositioNZ RINEX data archive collects, stores and provides access to data from a network of continuously recording GNSS (global navigation satellite system) receivers located around New Zealand, including the Chatham Islands and Antarctica.
  Page

  • Geodetic

• Cadastral Horizontal Control Network

  The CHN provides the street-level control marks that are used by surveyors to connect to and orient cadastral surveys in terms of the official geodetic datum (NZGD2000).
  Page

  • Geodetic

• Basic Geospatial Network

  The BGN provides a national coverage of control marks (including the offshore islands and Antarctica) to enable users to efficiently connected to official geodetic and vertical datums.
  Page

  • Geodetic

• About trig stations and geodetic marks

  The physical part of New Zealand’s geodetic system is a network of geodetic marks that are used as reference points for surveys.
  Guidance

  • Geodetic

• Vertical datums

  Vertical datums define a reference surface for measuring elevations and depths, ensuring consistency in height measurements.
  Guidance

  • Geodetic

• Meridional circuits

  Meridional circuits divide the country into a set of survey regions, used to define a local projection for mapping purposes. The Cadastral Survey Rules 2021 require that the NZGD2000 (New Zealand Geodetic Datum 2000) Transverse Mercator 2000 Meridional…
  Guidance

  • Geodetic

• North and South Island Yard Grids (NIYG, SIYG)

  The North Island Yard Grid and South Island Yard Grid were the projections for the 1:63,360 (inch-to-the-mile) topographic mapping in New Zealand between 1942 and 1973.
  Guidance

  • Geodetic

• Projections

  Projections are used to transform a curved surface into a flat map, making locations easier to define. There are 5 official map projections currently used in New Zealand, and 4 that are no longer used.
  Guidance

  • Geodetic

• Tiers, classes and orders

  Coordinate and height accuracy values categorised in 3 ways: network accuracy is described by its tier, local accuracy is described by class, and combined accuracy is its order.
  Guidance

  • Geodetic

• Ross Sea Region Geodetic Datum 2000 (RSRGD2000)

  The Ross Sea Region Geodetic Datum 2000 (RSRGD2000) is the official geodetic datum used to define positions for the Ross Sea region of Antarctica.
  Guidance

  • Geodetic

• Transverse Mercator transformations

  The mathematical parameters and equations used to convert geodetic datum coordinates to and from a transverse Mercator projection.
  Guidance

  • Geodetic

• Height transformation example points

  Examples of the transformations between different vertical datums and height systems.
  Guidance

  • Geodetic

• Height datum conversions

  Guidance and examples for the transformation of heights between vertical datums.
  Guidance

  • Geodetic

• Transformations from NZGD1949 to NZGD2000

  Coordinates can be transformed between New Zealand Geodetic Datum 1949 (NZGD1949) and New Zealand Geodetic Datum 2000 (NZGD2000) using 3-parameter similarity, 7-parameter similarity or distortion grid transformations.
  Guidance

  • Geodetic

• Set up, sign up and installation

  Guidance

  • Landonline

• Annual Report 2015/16 including Strategic Intentions 2016–2020

  Our Annual Report tells Land Information New Zealand’s story for the year.
  Resource

  • Corporate

• Performance Improvement Framework Review 2010

  Land Information New Zealand has a strong track record in improving efficiency and effectiveness. We are therefore pleased to have been included in the first group of agencies participating in the Performance Improvement Framework and support its goals of…
  Resource

  • Corporate