Charging an electric car in a communal garage in Spain
What to check before installing EV charging in a communal garage in Spain: parking space, community, ITC-BT-52, capacity and documents.

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Having your own parking space does not mean that a charging point can be installed without the required technical documentation and coordination with the building. Spain’s Horizontal Property Act provides a specific rule for private charging at an individual space, while electrical rules determine how the installation must be carried out. Before buying, check the right to the space, cable route, capacity and community documents.
First confirm the status of the parking space
Establish whether the space is a separate registered property, an annex to the flat or a right to use a common area. Compare the number painted on the floor with the escritura, nota simple, cadastre and community rules. If the seller uses the space under an informal arrangement, a charging project cannot be designed as though the space were individually owned.
Inspect the location of meters, switchboards, passageways and structures. A short straight-line distance is not the same as a permitted cable route. The route may affect common elements, fire-stopping penetrations and areas belonging to another owner.
What the Horizontal Property Act says
Article 17.5 of Act 49/1960 states that installing a private charging point in a building’s car park, when it is located in an individual garage space, requires prior notice to the community; the installation cost and corresponding consumption are borne by the interested parties. This rule should not be extended to every arrangement without analysis. A project may affect common infrastructure, capacity or several spaces and require other decisions.
“Giving notice” does not mean laying a cable without technical documentation. Before work begins, give the administration a clear project showing the route, protection and contractor, following the applicable procedures. Keep proof of receipt. If the community proposes a shared system, compare its technical and financial terms with your own project.
Electrical requirements: ITC-BT-52
Royal Decree 1053/2014 incorporated ITC-BT-52 into the low-voltage regulations for electric-vehicle charging infrastructure. The rules cover installation arrangements, protection and requirements for different types of car parks. Selection must be made by a competent professional; the buyer should not choose cable size or protection from a universal advertising table.
Ask the installer for a written survey, connection diagram, capacity calculation, route and list of protective devices. Establish whether the supply contract or contracted capacity must change, whether a separate meter, load-management system or coordination with the distribution company is required. The system must account for the building’s existing installation, not only the charger specifications.
Questions for the technical survey
- where the power will come from and who owns the connection point;
- what capacity is available and how the calculation is evidenced;
- where the cable runs and which common elements it crosses;
- which protection and load-management devices are planned;
- how individual consumption is measured;
- which works are needed in the switchboard and penetrations;
- who issues the completed-installation certificate and maintains the system.
Check the community documents before buying
Ask the seller for the minutes and garage rules. Other residents may already have discussed shared infrastructure, approved a technical standard or obtained a quotation. This does not override the law, but helps establish whether an individual solution is compatible with a future common system.
Ask about existing points: how they are supplied, whether incidents occurred, whether capacity is limited and who controls cable routes. Do not automatically copy another installation; it may have been completed under different conditions or require updating.
Individual and shared infrastructure
An individual line may suit one owner, while a shared backbone or load management is designed for a growing number of users. Compare not only the initial price but also expansion, allocation of costs, maintenance and changing provider. A shared system needs clear access and metering rules.
If the community is only planning a project, do not treat it as a completed advantage of the flat. A decision, technical document, funding and timetable are required. Keep a separate reserve in the purchase budget until these are confirmed.
Fire safety and access
A garage is a shared environment with escape routes and technical rooms. The cable, charger and protection must not obstruct passageways, doors, ventilation or operation. A technician checks the specific requirements against current rules and the building’s characteristics.
Provide access for maintenance and emergency isolation. Clarify who may work in the common switchboard and who restores finishes after routing. Unauthorised opening of common structures creates technical and contractual risk.
Costs: calculate the complete project
The budget includes not only the wallbox but also the survey, project or memoria, cable, protection, penetrations, switchboard work, certification, communications and possible load management. Cost depends on the specific route and capacity; there is no universal sum in this article. Obtain several comparable quotations under the same brief.
Do not include a temporary subsidy in the base scenario until the current programme, requirements and approval of the application are confirmed. Buying equipment does not guarantee eligibility for aid.
Purchase contract and handover
If a charger already exists, include it in the transferred equipment list. Request the project, certificado de instalación, invoices, warranty, instructions and proof of notice to the community. Check whether the seller owns the unit or whether it is tied to a rental or service agreement.
At handover, record operation, access to the app and keys, deletion of personal data, meter reading and change of payer. One photograph of a wallbox does not prove legality or safety.
Checklist before making an offer
- The right to the specific space is documented.
- A competent installer has inspected the route.
- Capacity and connection arrangement have been calculated.
- Community rules and minutes have been reviewed.
- The notice procedure and document set are clear.
- The quotation includes common works and certification.
- Any existing installation is documented and transferred.
The charging decision must be based on the specific space and building. The special LPH rule simplifies the procedure for an individual point, but does not remove electrical requirements or responsibility for common elements. This material was checked on 25 October 2026; the project must be prepared by a competent professional.
Official sources
The material is for informational purposes only. Check the legal and financial terms of a specific transaction with relevant specialists.
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