Before you alter your property in any way at all you should first check if anything is written on the subject in your Title Deeds (Escritura).

Depending on the alterations or improvements you intend to make, you may have to discuss your plans with your Community of Owners and obtain their permission. Then you may need official permission. These permissions must be obtained before any work is started.  There are two types of building licences:

– a Licencia de Obra Menor (Minor Works Licence) is required for most home improvement projects, including those of a DIY nature, on the existing premises (improvements which do not result in an increase of space or rooms).

– a Licencia de Obra Mayor (Major Works Licence) is required for any project which extends or changes the useful volume of the property or its surface area (extensions and additions of any kind, including putting a bathroom into an existing space).
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