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Property guidesWhat you can check

Risks and land

What can you check online, and what needs a visit?

Public information can help you understand a home and its surroundings, but cannot answer every purchase question. Learn what maps can show, what to examine on a visit and which documents to request.

Source guide reviewed on 29 October 2026 · Reading and practical steps

Separate the home, neighbourhood and purchase documents

Understanding a home involves several things. Maps locate the land and nearby services. A visit lets you see rooms, enter the garage and listen for noise. Documents clarify the property and the terms of the purchase.

None explains everything alone. A well-located home can need a major repair, while attractive finishes do not clarify exactly what the sale includes. Organise your questions into these three groups so that nothing important is forgotten.

  • Surroundings: transport, services and possible local problems.
  • Home and building: condition, layout, access and installations.
  • Documents: what is being sold and what needs clarification.

Check which location each figure describes

A statistic covering the whole municipality helps show its development but does not describe a particular street. Nor does it predict what will happen at your entrance. Check the area and years it summarises before using a figure to decide.

Maps similarly show particular aspects of a place without replacing checks inside the home. Ask whether the information answers your question. To know the noise level in a bedroom, for example, you also need to listen from that bedroom.

  • Check whether a figure concerns the home, neighbourhood or municipality.
  • Check the data year as well as the access date.
  • Connect each item of information with a specific purchase question.

Look for useful answers as well as checklists

A long list of topics may appear complete even when some remain unanswered. You need to know what could be established for this home and what is pending. An empty section should not look like confirmation that everything is fine.

Read the explanations rather than focusing on the number of maps or warnings. If a subject important to you lacks information, ask how to clarify it. You may need a document, municipal advice or an inspection during the visit.

  • Separate available information from unanswered questions.
  • Review subjects that could change your decision first.
  • Ask how to clarify matters that could not be checked.

Decide what you need to do before proceeding

Turn an uncertainty into a simple action. If areas differ, ask how they were measured. If noise concerns you, revisit at a relevant time. If renovation is decisive, ask what is needed to assess it.

Not every issue needs the same response or the same timing. Start with matters affecting your intended use, budget or purchase commitments. Record what is missing and who can help clarify it.

  • Request documents the seller can supply.
  • Plan another visit for questions requiring inspection.
  • Consult the appropriate professional on important technical or legal matters.

Frequently asked questions

Does no warning mean no problem?

Not necessarily. The subject may not have been studied, data may be unavailable for the area, or the issue may require a visit. Always check what was reviewed and what remains unknown.

Is the same information available for every house?

No. It depends on the location, information type and documents you can obtain. What matters is knowing which answers you have for this specific home and what needs another route of enquiry.

Where to consult this information

These official pages help you learn more and prepare your questions.