Margam Substation Margam Neath Port Talbot SA13 3NF

1. 21 May 2026

   Received by Neath Port Talbot

2. 26 May 2026

   Decision issued: Approved

3. 28 Jul 2026

   Added to PlanIndex

• P2025/0817 Granted

  Margam Substation Margam SA13 3NF

  Full planning application for the extension of the Margam 275kV substation including the erection of a gas insulated switchgear hall (GIS hall) and the demolition of the existing control and amenities buildings to enable the erection of a new amenities building. Works to also include earthworks, surface water management and drainage infrastructure, lighting, CCTV, boundary treatment, car parking, ecological improvements including a wildlife tower and gabion baskets, improved internal access roads, diesel generator and hardstanding, storage building and water storage tank, flood defence wall including flood gates and appropriate landscaping and other associated engineering operations.

  Decided 17 Apr 2026 Full applications

Neath Port Talbot granted permission on 26 May 2026, subject to any conditions on the decision notice. Work must normally begin within five years or the permission lapses. More in our guide to what happens after a planning decision.

The published feed does not state which type of application this is; the register entry on Neath Port Talbot's portal will say. Our guide explains the common types.