Planning application
498-505, Ipswich Road, Slough, SL1 4EP
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Application under Section 73 of the Town and Country Planning Act 1990 (as amended) to vary condition no.2 (approved plans and drawings) and add condition 17 (boundary treatment) of planning application P/20401/000 dated 31/05/2024 for development of a new 132/33kv electrical substation including 2 no. Switchroom buildings and 4 no. Transformers, associated onsite cable-laying and groundworks
As published by the council, reference P/20401/005
Application record
- Reference
- P/20401/005
- Type
- Full Planning
- Status
- Registered application
- Decision
- Granted As published: Approved with Conditions; Informatives
- Received
- 23 Dec 2025
- Validated
- 23 Dec 2025
- Decided
- 29 May 2026
- Ward
- Northborough & Lynch Hill Valley
- Decision by
- Delegated
- Postcode
- SL1 4EP
Site history
Applications at this address on the Slough register
This site has had 6 applications since 2023: 2 approved, 1 refused.
-
P/20401/004 Decided
498-505, Ipswich Road, Slough, SL1 4EP
Submission of details pursuant to condition 4 (Quantitative Risk Assessment (QRA)) of planning permission P/20401/000 dated 31/05/2024
-
P/20401/003 Refused
498-505, Ipswich Road, Slough, SL1 4EP
Submission of details pursuant to condition 6 (Surface Water Drainage Scheme) and condition 7 (Surface Water Drainage System – Detailed Ownership and Maintenance Scheme (OMS)) of planning permission P/20401/000 dated 31/05/2024.
-
P/20401/002 Decided
498-505, Ipswich Road, Slough, SL1 4EP
Submission of details pursuant to condition 9 (Construction Environmental Management (CEMP)) of planning permission P/20401/000 dated 31/05/2024.
-
P/20401/001 Decided
498-505, Ipswich Road, Slough, SL1 4EP
Submission of details pursuant to conditions 3 (Intrusive Investigation Method Statement (IIMS) 4 (Quantitative Risk Assessment (QRA) of planning permission P/20401/000 dated 31/05/2024
-
P/20401/000 Granted
498-505, Ipswich Road, Slough, SL1 4EP
Development of a new 132/33KV electrical substation including 2 no. switchroom buildings and 4 no. transformers, associated onsite cable-laying and groundworks.
Timeline
Dates from the published record
-
23 Dec 2025
Received by Slough
-
29 May 2026
Decision issued: Approved with Conditions; Informatives
-
25 Jul 2026
Added to PlanIndex
-
21 Sep 2026
Status changed to Registered application
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
P/20401/006 Decided
Electricity Sub Station, Ipswich Road, Slough, SL1 4EP
Submission of details pursuant to condition 4 (QRA and SRSS), condition 6 (Surface Water Drainage Scheme) & condition 7 (Surface Water Drainage Ownership and Maintenance) of planning permission P/20401/005 dated 23/01/2026
Documents
Plans, drawings, consultee responses and the officer's report
5 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 this grant of permission means
Slough granted permission on 29 May 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 full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
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