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Planning application

National Grid Blyth Sub Station Cambois Northumberland

Granted Northumberland National Park 26/02700/PA GPDO Prior Notification

Works: Extension

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Notification of prior approval for the design and external appearance of a Portable Relay Room under the Town and Country Planning (General Permitted Development) (England) Order 2025 - Blyth Substation Extension Phase 1.

As published by the council, reference 26/02700/PA

Application record

Reference
26/02700/PA
Type
GPDO Prior Notification
Status
Permitted
Decision
Granted As published: Permitted
Received
28 Jul 2026
Validated
28 Jul 2026
Decided
10 Sep 2026
Ward
Sleekburn
Parish
East Bedlington
Decision by
Delegated Decision

Site history

Applications at this address on the Northumberland National Park register

This site has had 5 applications since 2026: 4 approved, 0 refused.

  • 26/02633/REG Granted

    National Grid Blyth Sub Station Cambois Northumberland

    Application for approval under Regulation 77 of the Conservation of Habitats and Species Regulations 2017 - Blyth Substation Extension Phase 1

    Decided 8 Sep 2026
  • 26/01496/REG Granted

    National Grid Blyth Sub Station Cambois Northumberland

    Application for approval under Section 77 of the Conservation of Habitats and Species Regulations 2017. Blyth Phase 1 extension ground investigations. Part 2 All remaining ground investigations for Blyth Phase 1 extension.

    Decided 22 May 2026
  • 26/01173/REG Granted

    National Grid Blyth Sub Station Cambois Northumberland

    Application for approval under Regulation 77 of the Conservation of Habitats and Species Regulations 2017. Blyth Phase 1 extension ground investigations.

    Decided 23 Apr 2026
  • 26/00825/SCREEN Decided

    National Grid Blyth Sub Station Cambois Northumberland

    Screening opinion for a proposed new, outdoor 400 kilovolt (kV) Air Insulated Switchgear (AIS) extension to the existing Blyth 400 kV Outdoor Substation

    Decided 19 Mar 2026 Outline

Timeline

Dates from the published record

  1. 28 Jul 2026

    Received by Northumberland National Park

  2. 3 Aug 2026

    Added to PlanIndex

  3. 10 Sep 2026

    Decision issued: Permitted

Who's behind it

Company information only, from the register and Companies House

AECOM Infrastructure & Environment UK Limited Agent, registered in London

Active · incorporated 1966 · London

7 applications on PlanIndex · across 3 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

National Grid Electricity Transmission (NGET) Plc Applicant

4 applications on PlanIndex · across 3 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

Plans, drawings, consultee responses and the officer's report

11 documents on file for this application

  • CONSULTEE COMMENT SUBMITTED ONLINE Consultee Comment · 03 Aug 2026
  • BLYTH SUBSTATION EXTENSION PRIOR APPROVAL COVER LETTER Correspondence · 28 Jul 2026
  • SITE LOCATION PLAN Location Plan · 28 Jul 2026
  • PLANNING ELEVATIONS - SHEET 6 Plan · 28 Jul 2026
  • PLANNING ELEVATIONS - SHEET 5 Plan · 28 Jul 2026
  • PLANNING ELEVATIONS - SHEET 4 Plan · 28 Jul 2026
  • PLANNING ELEVATIONS - SHEET 3[1] Plan · 28 Jul 2026
  • PLANNING ELEVATIONS - SHEET 3 Plan · 28 Jul 2026
  • PLANNING ELEVATIONS - SHEET 2 Plan · 28 Jul 2026
  • PLANNING ELEVATIONS - SHEET 1 Plan · 28 Jul 2026
  • BLYTH PERIMETER LAYOUT SHEET 1 Plan · 28 Jul 2026

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Northumberland National Park granted permission on 10 September 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About prior approval applications

Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

In Northumberland National Park

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    Received 9 Oct, published by the council 11 Oct 2026 Prior approval
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    Received 13 Aug, published by the council 15 Aug 2026 Prior approval
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    Notification of Prior Approval for a General Purpose agricultural building

    Received 24 Jul, published by the council 3 Aug 2026 Prior approval
  • 26/03459/ROAD Awaiting decision

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    Received 30 Sep, published by the council 4 Oct 2026 Prior approval
  • 26/03441/HPA Awaiting decision

    The Haven Mile Road Widdrington Station Northumberland NE61 5QW

    Notification of Prior Approval: Construction of a rear flat roof extension to create a living/garden room, with a maximum height of 2.9m, finished in brick and render, extending a maximum of 8m from the existing original rear building line and 4.8m in width

    Received 29 Sep, published by the council 4 Oct 2026 Prior approval