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Planning application

P/20401/005

498-505, Ipswich Road, Slough, SL1 4EP

Granted Slough Full Planning

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

Timeline

Dates from the published record

  1. 23 Dec 2025

    Received by Slough

  2. 29 May 2026

    Decision issued: Approved with Conditions; Informatives

  3. 25 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • P/20401/007 Decided

    Electricity Sub Station, Ipswich Road, Slough, SL1 4EP

    Submission of details pursuant to condition 4 (Quantitative Risk Assessment) of planning permission P/20401/000 dated 31/05/2024

    13 Feb 2026 0m away Conditions
  • 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.

    5 Sep 2025 0m away Conditions
  • 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.

    24 Oct 2025 0m away Conditions
  • P/20401/006 Awaiting decision

    Electricity Sub Station, Ipswich Road, Slough, SL1 4EP

    Submission of details pursuant to condition 6 (Surface Water Drainage Scheme) & 7 (Surface Water Drainage Ownership and Maintenance) of planning permission P/20401/000 dated 31/05/2024

    9 Feb 2026 0m away Conditions
  • 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

    13 Nov 2025 0m away Conditions
  • P/00074/010 Refused

    205-206, Bedford Avenue, Slough, SL1 4RY

    Installation of 1no. illuminated fascia sign and 1no. freestansing illuminated totem signs.

    24 Oct 2025 95m away Advertising

In Slough

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    29 Jul 2026 Full applications
  • P/15350/001 Awaiting decision

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    Construction of a single storey rear conservatory with flat roof with 2no roof lights.

    28 Jul 2026 Full applications
  • P/03120/004 Refused

    72, Belfast Avenue, Slough, SL1 3HL

    Construction of a proposed part first floor side and rear extension together with the sub-division of the plot to create a 1no. two-bedroom attached dwelling.

    1 Jun 2026 Full applications
  • P/17530/002 Granted

    21, Howard Avenue, Slough, SL2 1LD

    Construction of a single storey rear outbuilding

    12 May 2026 Full applications
  • P/12983/001 Awaiting decision

    245, Bath Road, Slough, SL1 5PP

    Construction of a proposed single storey rear extension to existing dwelling following demolition of existing covered canopy.

    27 Jul 2026 Full applications