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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.

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.

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

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

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

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

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

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

Find out about valuers and property valuations in New Zealand.

Find the standard tidal levels for ports around New Zealand.

Definitions of common tidal terms.

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

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

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

Guidance and requirements for creating property addresses.

This section provides information to assist lawyers and conveyancers working in the Canterbury region, following the earthquakes.

Find common questions and answers about the LINZ Data Service and the datasets you can access through it.

Projections are selected so that they best represent an area of the globe on a flat surface. There are separate projections for McMurdo Sound, Borchgrevink Coast, Pennell Coast, and the Ross Sea.

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

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

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.

Step-by-step guides to help you get the most from the LINZ Data Service.

Resources to help the public to search and purchase online property records, such as a record of title, survey plan or other instruments.

The LDS web map tile services simplify access to data for analysis and visualisations.

Landonline Web Search can be accessed from any computer with a supported browser. Not all features are available on a mobile device.

If an address or land parcel you have selected contains 2 or more titles Landonline prompts you to select the required title.

If you’re having trouble using Landonline Web Search there may be a simple solution.

Common questions and issues using Land Record Search.