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Buying & Selling

Changing Use from Commercial to Residential (Loft) in Barcelona

Converting a commercial unit into a home can be an opportunity, but it requires a licence and meeting requirements. We explain what to check before buying.

Buying & Selling · Updated January 2026 · 6 min read

Buying a commercial unit to convert into a home (loft) is appealing for its price, but the change of use is not always possible and requires processing. It is worth checking before signing.

Main requirements

  • That the urban planning and municipal rules allow residential use in that building and floor.
  • Meeting the habitability conditions (minimum area, ventilation, height, natural light).
  • That the community bylaws do not prohibit the change of use.
  • Obtaining the licence and, finally, the habitability certificate.

Risks if you buy "to renovate"

Many "lofts" are sold as housing without legally being so. If the change of use is not authorised, you are left with premises you cannot register as a residence or finance as a home. That is why prior due diligence is key.

Frequently asked questions

We answer your questions


No. It depends on the urban planning, municipal rules, community bylaws and meeting the habitability conditions. It must be verified before buying.

It remains a commercial unit legally: you will not be able to use it as a home or finance it as such until the change of use is legalised, which is not always granted. It is worth checking beforehand.

Want to convert a commercial unit into a home?

We verify the legal feasibility of the change of use before you buy the premises.