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Charging & co-ownership October 2026 5 min read

EV charging in a condominium: plan an underground-parking project

Editorial responsibility: Franck Tournier · Report a fix

TL;DR

Before ordering an EV charger for a condominium parking space, develop a proposal with the property manager and co-owners. Identify affected common property, approvals, electrical capacity, costs and ongoing service. A documented proposal helps everyone assess the building’s actual constraints.

1. Clarify parking rights and common property

Gather the condominium rules, parking-space rights and proposed cable route. Ask the property manager which approvals and decision process this project requires. Tenants should make a written request to the landlord; a policy proposal supporting EV charging does not replace the approval required for your building.

2. Assess electrical capacity

Ask an appropriately authorised electrical contractor to assess the connection, protective devices and simultaneous demand. Compare an individual charger with infrastructure that can serve additional parking spaces. Load control must respect available capacity; the wiring design depends on the building and has no single universal solution.

3. Check parking-garage safety

Have the cable routes, protective devices and applicable fire-safety requirements assessed for the garage. Confirm any additional requirements with the responsible specialists and authority. The charger’s stated power alone does not establish that every parking garage has the same requirements.

4. Allocate costs and plan expansion

Separate shared infrastructure, the private charger, electricity, metering, subscriptions and maintenance. State who pays each item and how another user joins the system. Check provider changes, charger replacement and occupant departure terms before accepting a price.

5. Document the decision and handover

Present the assembly with a plan, an itemised quotation, cost allocation and operating responsibilities. Keep the decision and agreed conditions. At handover, request test records, safety documentation, management access and the service contact; address disagreements through the specific issues in the proposal.

References for planning your project

Frequently asked questions

Can I order a charger before condominium approval?+

First clarify parking rights, common property and the required decision. Ordering work that depends on unapproved changes can leave you with costs or equipment you cannot use.

Is flat cable mandatory?+

Compare wiring options, load management and planned expansion. The electrical design should explain the choice for your building without presenting one product as a universal requirement.

How should I address a fire-safety concern?+

Request a technical assessment for the garage under the applicable requirements. A documented assessment can specify protective measures, cable routes and responsibilities without promising zero risk.

Which costs should I compare?+

Compare shared and private investment, electricity tariffs, metering, subscriptions, maintenance and expansion. Check charges and conditions for an occupant or provider change as well.

Sources & method

References checked on 6 October 2026: SwissEnergy, Swiss eMobility and SFOE. Confirm approvals, technical requirements and responsibilities for your building.

This content is for information only. For your project, verify prices, grants, timelines, permissions and expected returns with the relevant authorities, grid operator and installer, and check the applicable contracts.

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