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The Darwin Glacier Lambert Conformal 2000 projection (DGLC2000) was replaced by the McMurdo Sound Lambert Conformal 2000 projection (MSLC2000) on 21 March 2011.

New Zealand Geodetic Datum 1949 (NZGD1949) was a horizontal datum. Its coordinates were classified into orders according to observation type and survey network.

Before May 2010, normal-orthometric heights were categorised using orders based on observation method and survey significance. This order framework was replaced by the Standard for the Geospatial Accuracy Framework (LINZS25005) and Standard for Tiers, Classes and Orders of LINZ Data (LINZS25006), and has been adopted for New Zealand Vertical Datum 2016. The old framework continues to be used for the existing local vertical datum.

The New Zealand Geodetic Datum 2000 (NZGD2000) deformation model is used to adjust coordinates for ongoing crustal deformation. It takes into account tectonic motion and some major earthquakes to ensure that coordinates of survey marks and other features track the movement of those marks over time.

An important feature of a geodetic datum is the reference surface. The reference surface approximates the shape of the Earth, so that geodetic coordinates can be located on a curved surface. The most common reference surface for geodetic datums is an ellipsoid.

The mathematical parameters and equations used to convert New Zealand Map Grid coordinates to other datums and projections.

Coordinates can be transformed between projections within the same datum, or between projections using different datums.

How to transform heights between vertical datums.

Coordinates can be transformed between geodetic datums by using either a transformation grid or a similarity transformation. This section includes examples of transforming to and from New Zealand Geodetic Datum 2000 (NZGD2000).

How to use the spatial map to search for property records and survey information such as marks and vectors.

Key guidance for practitioners to ensure they are aware of their certification obligations in regard to client authority and legal capacity.

All practitioners who certify electronic instruments will, from time to time, be reviewed under section 30 of the Land Transfer Act 2017 as part of the Registrar-General of Land’s routine monitoring programme.

Registers of exemption certificates for large residential development, transitional exemption certificates for large residential development, discretionary exemptions, and exemptions from the definition of non-New Zealand government investor.

Information on tax statements and download a land transfer tax statement form.

Find out if you can apply for consent retrospectively if you have made an investment without getting consent first.

Information on the implementation of the Cadastral Survey Rules 2021.

Vertical datum relationship grids allow the transformation of local vertical datum heights to NZVD2016. These transformation grids were calculated by using observation points with both an ellipsoidal and a normal-orthometric height.

Following a major earthquake, there is often an urgent need for geodetic coordinates, particularly heights, to help re-establish critical infrastructure such as stormwater and wastewater systems.

You and your advisors can meet with us before you submit your application for consent.

Geoids and quasigeoids are reference surfaces that accurately represent the Earth’s shape and gravitational field. By collecting gravity data (which differs with latitude, elevation, geology and time), gravity field models are created to compute the geoid, which is then used as reference for a vertical datum.

Landonline has now been updated to reflect the movements that occurred in the four major Christchurch earthquakes and four major Fiordland earthquakes since 2000.

As a consequence of the earthquakes across Canterbury since 2010, geodetic control marks and cadastral marks throughout the region have been subject to varying amounts of movement. Updated Landonline spatial data is available.

When LINZ checks documents that are manually lodged, we follow a process established in the Land Transfer Act 2017, and the Land Transfer Regulations 2018.

You can propose names for undersea features such as seamounts, troughs, ridges and sea channels on the continental shelf of New Zealand and in the Ross Sea region of Antarctica.

Standards, directives and guidelines issued by the Registrar-General of Land.

Information on digital certificates, security and install the remote access tool.

Information on the data available via the LINZ Data Service.

A list of titles, surveys and instruments and other land records available to order in Land Record Search.

How to search for titles, surveys and instruments using the search bar in Land Record Search.

How to buy a survey plan in Land Record Search.

Information about land title transactions lodged in paper form, commonly known as manual dealings.

Pull the latest LINZ Data Service data into your web, mobile and GIS applications with our APIS and web services.