Planning application
Norwich Main Substation Mangreen Hall Lane Dunston Norfolk NR14 8PG
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Variation of conditions (2) approved plans (3) archaeological written scheme (5) amend arboricultural impact assessment of consented permission 2023/3858 (which gave consent for Underground point of connection cables (for battery storage development) located beneath non operational land within the Norwich National Grid Main Substation) Date of Decision: 09/12/2024
As published by the council, reference 2025/2669
Application record
- Reference
- 2025/2669
- Type
- Removal/Variation of Condition
- Status
- Pending Consideration
- Received
- 27 Aug 2025
- Validated
- 27 Aug 2025
- Ward
- Mulbarton And Stoke Holy Cross
- Parish
- Stoke Holy Cross
- Postcode
- NR14 8PG
Site history
Applications at this address on the South Norfolk register
This site has had 4 applications since 2025: 2 approved, 0 refused.
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2025/3388 Granted
Norwich Main Substation Mangreen Hall Lane Dunston Norfolk NR14 8PG
(T9.1) Fraxinus excelsior - fell (11.1) Pinus Species - fell (G168) Fraxinus excelsior - fell x 3 trees (G169) Fraxinus excelsior - fell x 4 trees (G170) Fraxinus excelsior - fell x 3 trees (185) Pinus sylvestris - fell (186) Pinus sylvestris - fell
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2025/2968 Granted
Norwich Main Substation Mangreen Hall Lane Dunston Norfolk NR14 8PG
Non material amendment of 2024/1336 - Increase the height of the spoil mounds to a maximum height of 6m
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2025/0301 Awaiting decision
Norwich Main Substation Mangreen Hall Lane Dunston Norfolk NR14 8PG
Details reserved by condition 7 (drainage details), condition 11 (trees) and condition 13 (ecology) of 2024/1336
Timeline
Dates from the published record
-
27 Aug 2025
Received by South Norfolk
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 22 October 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
South Norfolk took a median of 49 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
SLR Consulting Limited Agent, registered in London
Active · incorporated 1999 · London
227 applications on PlanIndex · across 66 councils · 95% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
18 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with South Norfolk for determination, against a statutory target of eight weeks. Over the last year South Norfolk decided amendment applications in a median of 46 days. More in our guide to how long planning decisions take.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
Norwich Main Substation Mangreen Hall Lane Dunston Norfolk NR14 8PG
96% historically approved · decision due ~22 Oct
Variation of conditions (2) approved plans (3) archaeological written scheme (5) amend arboricultural impact assessment of consented permission 2023/3858 (which gave consent for Underground point of connection cables (for battery storage development) located beneath non operational land within the Norwich National Grid Main Substation) Date of Decision: 09/12/2024
Awaiting decision Amendments 18 docs -
Norwich Main Substation Mangreen Hall Lane Dunston Norfolk NR14 8PG
Non material amendment of 2024/1336 - Increase the height of the spoil mounds to a maximum height of 6m
Granted Amendments 4 docs -
Norwich Main Substation Mangreen Hall Lane Dunston Norfolk NR14 8PG
Non material amendment of 2024/1336 - Increase the height of the spoil mounds to a maximum height of 6m
Granted Amendments 4 docs -
Norwich Main Substation Mangreen Hall Lane Dunston Norfolk NR14 8PG
100% historically approved · decision due ~29 Mar
Details reserved by condition 7 (drainage details), condition 11 (trees) and condition 13 (ecology) of 2024/1336
Awaiting decision Conditions Trees 43 docs -
Norwich Main Substation Mangreen Hall Lane Dunston Norfolk NR14 8PG
100% historically approved · decision due ~29 Mar
Details reserved by condition 7 (drainage details), condition 11 (trees) and condition 13 (ecology) of 2024/1336
Awaiting decision Conditions Trees 43 docs -
Land Off Mangreen Hall Lane Dunston Norfolk
Development of battery storage facility with associated infrastructure.
Granted Full applications 27 docs
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2026/2312 Withdrawn
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2026/2093 Granted
133 Norwich Road Stoke Holy Cross Norfolk NR14 8QJ
Non-material amendment of 2020/0469 following previous Non-material amendment of 2024/1423 - Minor increase to the dwelling and garage footprint showing mechanical fixing projection to cladding, with small adjustments to the garage fenestration
-
2026/2581 Granted
5 Hall Lane Drayton Norfolk NR8 6DS
Non-material amendment of 2023/3703, (as amended by 2025/3921 and 2026/0168) - Rear window in bedroom east elevation changed to full height. Bedroom window shown on floor plan but was missed off east elevation, revisions clouded on drawing.
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2026/2526 Granted
Land North Of Yarmouth Road Heckingham Norfolk
Non material amendment of 2023/2742: Approval for the minor repositioning of the substation to the north of the scheme.