Renovating an Apartment in Spain: Comunidad Rules You Must Follow (2026)

Buying a flat in Spain with the intention of modernising it is an incredibly popular path for British buyers. Whether it is a frontline apartment on the Costa del Sol or a traditional flat in the heart of Costa Blanca, a well-executed renovation can significantly increase both your comfort and the property's capital value. However, apartment living in Spain comes with a strict legal framework that many British owners overlook until it is too late: the Comunidad de Propietarios (Community of Owners).

Unlike detached villas, apartments are subject to Spain's Horizontal Property Law (Ley de Propiedad Horizontal or LPH), alongside the community's own internal bylaws (estatutos). If you begin building works without understanding what is and is not permitted by your Comunidad, you risk facing immediate work-stoppage orders, costly legal disputes, and forced restoration of the property to its original state at your own expense. In 2026, with communities increasingly vigilant about noise, structural integrity, and aesthetic uniformity, navigating these rules correctly is more critical than ever.

Understanding the Horizontal Property Law (Ley de Propiedad Horizontal)

In Spain, any building divided into individually owned units is governed by the Ley de Propiedad Horizontal. This law distinguishes clearly between your private property (elementos privativos) and the common elements of the building (elementos comunes). Your private property is the interior space of your flat, while common elements include the structural walls, facade, corridors, roof, lifts, and even the external appearance of your windows and terraces.

Under Article 7 of the LPH, an owner may modify the architectural elements, facilities, or services of their private flat, provided that the modification does not compromise the security of the building, its general structure, its external configuration, or harm the rights of other owners. Crucially, before starting any such work, the owner is legally required to notify the representative of the community—typically the President or the professional property administrator (Administrador de Fincas).

What Needs Comunidad Approval vs. Simple Notification?

Not all apartment reforms are treated equally. Depending on the scale of your project, you will either need to simply notify the community or obtain formal, voted approval during an annual or extraordinary general meeting (AGM/EGM).

1. Simple Notification (No Vote Required)

For minor cosmetic renovations that do not touch structural walls, communal installations, or the external facade, you do not need the community to vote on your project. Examples include:

• Replacing kitchen cabinets and countertops.
• Re-tiling a bathroom.
• Plastering, painting, or laying new internal flooring.
• Rewiring or updating internal plumbing.

Even though a vote is not required, you must still send a formal written notification to the President or Administrator before work begins, detailing the planned schedule and the name of your contracted builders.

2. Works Requiring Explicit Comunidad Approval

If your renovation plans touch any common elements, you must obtain formal consent. This require a vote at a community meeting, and the required majority depends on the nature of the work:

• Structural changes: Knocking down an internal wall to create an open-plan kitchen might seem simple, but if that wall is load-bearing (or even if it contributes to the building's overall stability), it is classified as structural. This requires unanimous or high-majority approval, supported by an architect's technical project (proyecto técnico).
• Altering the facade: This includes changing the size or colour of your windows, enclosing a terrace with glass curtains, or installing air conditioning units on the exterior walls. These changes alter the aesthetic uniformity of the building and require a three-fifths (60%) majority approval under current LPH rules.
• Relocating communal utilities: Moving shared downpipes, central heating pipes, or ventilation shafts that pass through your apartment is strictly prohibited without formal community consent.

The Golden Rules of Communal Areas and Building Logistics

Once you have the legal green light, the practicalities of executing building work in a shared Spanish apartment block require careful management. British owners often find themselves in hot water not because of the work itself, but because of how their builders behave in the common areas.

Working Hours and Noise Restrictions

Spanish town halls set municipal noise ordinances, but individual Comunidades often enforce even stricter internal rules. Typically, noisy building work is permitted only from Monday to Friday between 08:00 or 09:00 and 18:00 or 20:00. Saturdays are often restricted to quiet work only, and work on Sundays and public holidays is universally banned.

Furthermore, you must respect the traditional Spanish siesta hours. Many communities strictly prohibit noisy drilling, hammering, or demolition between 14:00 and 16:00. Ensure your building contract explicitly states that the workforce must adhere to these community-specific hours.

Protecting Common Spaces

Your builders will be carrying heavy materials, bags of cement, and old rubble through shared hallways, stairwells, and lifts. Most communities require you to protect these areas. You or your builder must line the lift cabin and hallway floors with heavy-duty cardboard or protective plastic sheeting.

Additionally, common areas must be swept and cleaned at the end of every single working day. Leaving plaster dust or debris in the communal hallway is one of the fastest ways to trigger formal complaints from neighbours and a potential shutdown of your project.

Debris Removal and Skips

You cannot simply throw construction waste into the standard communal rubbish bins. Your builder must hire a dedicated waste skip (contenedor de escombros). Placing a skip on the street or in a communal parking area requires a specific municipal permit (which carries a small daily fee of €10 to €30 depending on the municipality) and must be approved by the community administrator if placed on private community land.

Facade Uniformity: The Window and Terrace Trap

One of the most frequent points of conflict for British owners in regions like Valencia or Andalusia involves the exterior appearance of the property. It is highly tempting to replace old, draughty windows with modern, double-glazed anthracite grey frames, or to enclose a breezy balcony with glass curtains to create a year-round sunroom.

However, Spain's aesthetic uniformity laws are incredibly strict. If your building has white aluminium window frames, your new windows must match that exact colour and profile on the outside, even if you choose a different finish for the interior. Similarly, enclosing a terrace changes the volume and exterior aesthetic of the building. Doing this without a three-fifths community vote—and a subsequent municipal license—is illegal. If challenged, the community has the legal right to force you to remove the installations and restore the facade to its original state, a mistake that can easily cost you upwards of €5,000 to €15,000 in lost materials and labour.

Fines, Disputes, and Legal Consequences of Non-Compliance

If you proceed with building work without the necessary notifications or approvals, the Comunidad has several legal avenues to halt your project:

• Injunctions (Interdicto de Obra Nueva): The President, representing the community, can file an urgent injunction in court to have your works immediately suspended by a judge.
• Forced Demolition: If you have made unauthorised structural changes or altered the facade, the community can take you to court. Spanish courts routinely rule in favour of communities, ordering owners to demolish their new installations and pay all associated legal fees.
• Municipal Fines: If a neighbour reports your works to the local Ayuntamiento (Town Hall) because you lack the correct municipal license (obra menor or obra mayor), municipal inspectors can fine you between €600 and €3,000+ and seal the property until the situation is regularised.

Step-by-Step Checklist for British Owners

To avoid costly delays and maintain excellent relations with your Spanish neighbours, follow this step-by-step process before starting any apartment reform:

1. Request the Estatutos: Ask your Administrador de Fincas for a copy of the community bylaws to check for specific restrictions on renovations, flooring types (some forbid wooden floors due to noise), or air conditioning placement.
2. Hire a Vetted Builder: Ensure your builder is fully legal, insured, and experienced in navigating both municipal permits and community regulations.
3. Submit the Written Notification: Send a detailed description of the works, the estimated timeline, and your builder’s insurance details to the President or Administrator.
4. Apply for the Municipal License: Never start work without your licencia de obra from the local town hall. Your builder should assist with this.
5. Post a Notice in the Entrance: It is customary and polite to post a brief notice in the building's main entrance a week before work starts, apologising in advance to your neighbours for any temporary noise or disruption.

Renovating your Spanish apartment should be an exciting milestone, not a legal headache. By respecting the Horizontal Property Law and working collaboratively with your Comunidad, you can ensure your project is completed smoothly, on time, and without friction. To get your renovation started on the right foot with professionals who understand local regulations, post your project on BuildSpain today, and we will match you with up to three vetted, English-speaking builders in your region.