Latest news | National Grid

Upcoming activity at main construction compound from July to October 2025

Over the past few months, National Grid has been carrying out preparatory works at the site of the main construction compound for the Bramford to Twinstead Reinforcement. From the start of July, you may notice more activity on site as this work continues.

Traffic management measures on the A134 on 9, 10 and 13 June

National Grid will need to implement traffic management measures on a short section of the A134 to accommodate the delivery of materials to the main site construction compound.

Traffic management measures on the A134 on 28 May and between 2 and 3 June

National Grid will need to implement traffic management measures on a short section of the A134 to accommodate the delivery of materials to the main site construction compound.

Traffic management measures on the A134 on 25 April

On 25 April 2025, National Grid will need to implement traffic management measures on a short section of the A134 following the conclusion of archaeology surveys.

Traffic management measures on the A134 between 25 and 26 March

Between 25 and 26 March 2025, National Grid will need to undertake archaeology survey works at the main site construction compound location near Assington.

Traffic management measures on A134 between 26 and 28 February

Between 26 and 28 February 2025, National Grid will need to undertake vegetation clearance along part of the A134, where a main site construction compound is planned.

Green light for plans to reinforce electricity transmission network between Bramford and Twinstead as Government approves application

National Grid is pleased to announce that the Secretary of State for Energy Security and Net Zero has approved its development consent order application for the Bramford to Twinstead Reinforcement, after an independent panel recommended that the application be approved.

Supergrid transformer to be delivered as part of new substation construction

National Grid is preparing for the delivery of a large supergrid transformer to the site of a new grid supply point (GSP) substation between Butler's Wood and Waldegrave Wood, off the A131 south of Sudbury. The GSP substation is needed so that existing 132kV overhead line can be removed as part of the construction of the planned Bramford to Twinstead Reinforcement.

Planning Inspectorate completes examination of Bramford to Twinstead Reinforcement application

The Examining Authority has now completed its examination of the application for development of consent for National Grid's Bramford to Twinstead Reinforcement.

Grid supply point substation construction update

In October 2022, National Grid's planning application for a new grid supply point (GSP) substation at Butler's Wood was approved by Braintree District Council. In this update you can read more about upcoming construction activity, including the introduction of temporary traffic management measures along part of the A131.

Application for development consent accepted for Bramford to Twinstead Reinforcement

National Grid is pleased to announce that it has had its application for development consent for the Bramford to Twinstead Reinforcement accepted by the Planning Inspectorate.

Planning application to upgrade electricity network between Bramford and Twinstead submitted

National Grid can confirm that it has submitted an application for development consent to the Planning Inspectorate for the Bramford to Twinstead Reinforcement.

Grid supply point substation update

In October 2022, National Grid's planning application for a new grid supply point (GSP) substation at Butler's Wood was approved by Braintree District Council. In this update you can read more about our plans for the construction of the GSP substation, which forms part of the Bramford to Twinstead Reinforcement.

Hintlesham Woods update

We have now taken the decision to remove Hintlesham Woods Option 2 from our proposals for the Bramford to Twinstead Reinforcement.

Statutory consultation on proposed Bramford to Twinstead Reinforcement launched

National Grid has today launched its latest public consultation on plans to reinforce the electricity network between Bramford in Suffolk and Twinstead Tee in Essex. The public consultation will run until Monday 21 March 2022.