Part S EV Charging Regulations for Developers

Understand the requirements and how developers design compliant EV infrastructure.

What’s Part S and what are the requirements?

Part S of the Building Regulations requires EV charging infrastructure to be installed in most new residential developments in England.

For developers, this means EV charging must now be considered as part of the electrical infrastructure and parking design of new projects.

Quick Summary | Part S EV Charging Requirements

  • New houses: EV chargepoint required

  • Apartment blocks: At least one charger installed

  • Future capacity: Cable routes required

  • Power output: Minimum 7kW

What does this mean for apartment blocks?

Apartment buildings introduce additional complexity because parking spaces, electrical capacity and charging demand must be shared across multiple residents.

Developers therefore need to consider:

Infrastructure capacity

Electrical infrastructure must be designed to support multiple charging points, both now and in the future.

Load management

Simultaneous charging demand may exceed available electrical capacity, so systems that manage and balance charging loads are often required.

Future expansion

Installing cable routes and infrastructure early allows additional chargers to be installed later without costly retrofit works.

Operational management

Shared charging systems need to be managed so that residents can access and pay for charging in a straightforward way.

How Cosmic Helps Developers Implement Part S

We’ve advised on the installation of more than 100,000 charge points in UK residential developments and help write the Part S requirements. We can help with:

  • Infrastructure designed for real grid constraints

  • Load-managed charging for apartment blocks

  • End-to-end delivery from design to operation

  • Experience across large residential developments

Still have questions? Take a look at the FAQ or reach out anytime.

Your Questions, Answered
  • Developments often use load management systems or infrastructure designed for phased installation of chargers to ensure electrical capacity is used efficiently.

  • EV charging should ideally be considered during the early design stage of a project so that infrastructure can be integrated with electrical systems and parking layouts.

  • No. In many developments the regulation requires at least one installed charger and cable routes for additional spaces.