The National Land Survey (NLS) processes personal data for the performance of its official duties. The NLS conducts cadastral surveys, registers the ownership of properties and apartments, and maintains information about properties and apartments in its registers. Its tasks also include the study and application of geospatial data.
The NLS follows due diligence in its operations and ensures that data protection and data security are implemented when processing data.
For more information about the processing of personal data, please see the privacy policies. Among other things, the policies explain the purpose of processing the data, the sources of data and how personal data are disclosed.
From where does the NLS receive personal data?
The NLS receives personal data from customers’ applications and from other authorities.
The privacy policies explain in more detail which personal data are processed at the NLS and where the data come from.
For which purposes are personal data used?
The NLS uses the personal data it collects to carry out its statutory tasks.
The tasks of the NLS include:
- cadastral surveys and contacts with property owners
- registration of real estate ownerships and mortgages and maintaining this information in the Land Information System
- registration of ownership and pledges of apartments and maintaining this information in the Residential and Commercial Property Information System
- maintaining the property purchase price register.
See the privacy policies for more information about the purposes for which the NLS uses the data.
For which purposes are the personal data disclosed?
The NLS’s Residential and Commercial Property Information System, Land Information System and Property Purchase Price Register are public registers that ensure the reliability of land ownership and the credit system, among other things.
The data are disclosed through the information services of the NLS and contract customers. The disclosure of apartment data, property data and property purchase price data is regulated by special laws. The laws regulate how the data are collected and made available to various parties. The use of the data requires permission, and there must be a justified reason for it.
See the privacy policies for more information about how the personal data are disclosed.
Who processes personal data at the NLS?
NLS employees process the personal data in the course of their duties. The personal data are only processed if they are related to the work task that is currently being performed.
What are your rights in relation to the processing of your personal data?
You can check the data of the Land Information System and Residential and Commercial Property Information System free of charge at the NLS online service (the service is available in Finnish and Swedish).
- In the service, you can check the data of your property, parcel or leasehold free of charge.
- You can use the service to check the basic information about your apartment if its ownership has been registered in the NLS’s Residential and Commercial Property Information System.
Concerning the processing of personal data, you have the following rights:
- the right to be informed whether the NLS is processing your personal data and if so, which data
- the right to rectification
- the right to restrict or object to the processing of your personal data.
The NLS’s right to process personal data is usually based on law, so the right to restrict or object to the processing of personal data is only rarely relevant.
You can review the grounds for processing your personal data and your related rights in different situations in the privacy policies.
How to send a request related to the processing of your personal data
Read the instructions and fill in the form that applies to your situation.
- I want to check if the National Land Survey processes my personal data (pdf in Finnish) (pdf in Swedish)
- I want to rectify my personal data (pdf in Finnish) (pdf in Swedish)
- I want to restrict the processing of my personal data (pdf in Finnish) (pdf in Swedish)
- I want to object to the processing of my personal data (pdf in Finnish) (pdf in Swedish)
- Instructions for completing the forms (pdf in Finnish) (pdf in Swedish)
What is a log data request?
Log data contains information about who has processed personal data in the NLS’s information system, and when.
If you have a justified reason to suspect that your personal data have been processed without grounds related to work duties, you can ask the NLS to clarify the matter by making a log data request using the clarification request form (pdf in Finnish) (pdf in Swedish).
Send the request form to address Maanmittauslaitos, PL 84, 00521 Helsinki or via our secured email service to kirjaamo@maanmittauslaitos.fi. More detailed instructions for using our secured email service.
Based on your request, the NLS will consider whether there is a reason to initiate a log data investigation.
The NLS Data Protection Officer
You can contact the NLS Data Protection Officer by email at tietosuojavastaava@maanmittauslaitos.fi.