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

This site has had 6 applications since 2023: 2 approved, 1 refused.

• P/20401/005 Granted

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

  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

  Decided 29 May 2026 Full applications
• 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

  Decided 23 Jan 2026 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.

  Decided 23 Dec 2025 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.

  Decided 14 Nov 2025 Conditions
• 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

  Decided 29 Aug 2025 Conditions

1. 21 Dec 2023

   Received by Slough

2. 31 May 2024

   Decision issued: Approved with Conditions; Informatives

3. 21 Sep 2026

   Added to PlanIndex

Slough granted permission on 31 May 2024, 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.

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.

• SEGRO, 535-546 Ipswich Road, Slough, SL1 4EP

  t/131 Submitted 7 Feb 2018 50 yards away

  Detached data centre building (One 5,063.1 sqm building) for B1(B), B1(c), B2, B8 and/or Colocation/data centre (Sui Generis) uses.

  Granted

• Unit 2, 560 Ipswich Road, Slough Trading Estate, Slough, SL1 4EP

  P/01745/002 Submitted 15 Nov 2017 50 yards away

  Advertisement consent to display 6no. non-illuminated signs consisting of 2 no. fascias, 2 no. entrance architraves, and 2 no. directional signs.

  Granted Advertising 2 docs

• Street Record, Ipswich Road, Slough, SL1 4EP

  P/19720/001 Submitted 6 Apr 2022 50 yards away

  Submission of details pursuant to conditions 3 (measures to protect trees) & 4 (boundary treatment) of planning permission P/19720/000 dated 11/02/2022 for Change of Use to B8 Storage and Distribution with open storage (to provide a railway maintenance depot).

  Decided Conditions Trees 5 docs

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

  P/20401/007 Submitted 13 Feb 2026 50 yards away

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

  Decided Conditions

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

  P/20401/002 Submitted 5 Sep 2025 50 yards away

  Submission of details pursuant to condition 9 (Construction Environmental Management (CEMP)) of planning permission P/20401/000 dated 31/05/2024.

  Decided Conditions 3 docs

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

  P/20401/003 Submitted 24 Oct 2025 50 yards away

  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.

  Refused Conditions 3 docs

• P/00072/183 Awaiting decision

  Akzonobel Decorative Paints, Wexham Road, Slough, SL2 5DB

  Construction of a temporary extension to the existing mechanical yard to facilit

  24 Sep 2026 Full applications
• P/21166/000 Status unknown

  28, Ingleside, Colnbrook, Slough, SL3 0PD

  Retrospective application for the retention of existing office (Use Class E(g)(i

  23 Sep 2026 Full applications
• P/21164/000 Awaiting decision

  27, Gilliat Road, Slough, SL1 3QX

  Retrospective planning application for a single storey detached outbuilding used

  23 Sep 2026 Full applications
• P/11099/001 Awaiting decision

  30, Almons Way, Slough, SL2 5UE

  Construction of a extension to the existing porch.

  Received 22 Sep, published by the council 23 Sep 2026 Full applications
• P/06085/003 Refused

  69, Seymour Road, Slough, SL1 2NT

  Retropective application for a single storey rear sun room extension.

  Received 16 Jul, published by the council 25 Jul 2026 Full applications