Waltham Cross is a critical hub for the NLR project, supporting major infrastructure upgrades to strengthen electricity transmission into London. These upgrades are a key part of modernising the electricity network to support the Waltham Cross substation to operate at a higher voltage, enhancing network stability and future-proofing the infrastructure to accommodate for our growing energy needs.

To facilitate the works at Waltham Cross, we will be setting up key operational zones for construction activity within Lee Valley Park. The surrounding areas will see increased levels of construction traffic and contractor presence, with works including overhead line (OHL) upgrades, substation expansion, tower construction, and the delivery of two Supergrid Transformers (SGTs) that will replace two existing ones within the compound. There will be a total of four SGT movements.

Our works in the area will require enabling works such as vegetation clearance, and there will be a need for construction vehicles to access public footpaths to access the site. Our contractors have already set up one of the operational zones, which is based out of the former Cornmill Meadows Car Park.

We are working with Lee Valley regional authority to ensure there is minimal disruption on the local community whilst works are ongoing and will keep stakeholders informed throughout the project.

Register your details with us here and we will let you know when more information becomes available. Works are still being scheduled in this area, and we will communicate timings once the programme becomes clearer.

To find out more about community benefits, including our Community Grant Programme, please visit our home page.