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Date Published: 03/07/2026
Thousands in Spain may need to relocate their air-con units under new rules
Owners of units visible from the street could face fines or be required to relocate them under local regulations

Thousands of homeowners in Spain could soon find themselves under pressure to relocate air conditioning units mounted on building facades, with reports pointing to 2026 as a key deadline for bringing some installations into line with local regulations.
The issue stems from Spain's Horizontal Property Law, which considers a building's exterior facade to be a communal element. As a result, homeowners cannot generally alter it without the approval of the community of owners, while local councils may impose additional restrictions on installations visible from the street.
In many parts of Spain, facade-mounted air conditioning units have been tolerated for years. However, reports suggest that grace periods granted by some municipalities are due to expire in 2026, potentially leading to increased enforcement of existing regulations.
Cities such as Madrid and Barcelona already apply strict rules, particularly in historic centres and protected areas, where visible air conditioning units are often prohibited. Similar restrictions exist elsewhere, although the exact requirements vary between municipalities.
Homeowners found to be in breach of local regulations may be ordered to remove or relocate their units. In some cases, fines can also be imposed, with reports suggesting penalties may reach up to €3,000 for the most serious infringements.
The rules are intended not only to preserve the appearance of buildings but also to address safety and nuisance concerns. Poorly secured units, excessive noise and condensation dripping onto public walkways can all lead to complaints.
Depending on local regulations and the layout of the property, alternatives may include relocating units to interior courtyards, communal rooftops or private terraces where they are not visible from the street.
Homeowners are being encouraged to check the rules that apply in their municipality and consult their community of owners before carrying out any work or assuming an existing installation is permitted.
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