252, Trelawney Avenue, Slough, SL3 7UD

1. 14 Apr 2026

   Received by Slough

2. 15 Apr 2026

   Validated

   Checked as complete and ready for consideration.

3. 8 Aug 2026

   Added to PlanIndex

4. 14 Aug 2026

   Decision issued: Approved with Conditions; Informatives

Slough granted permission on 14 August 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.

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.

• 234, Trelawney Avenue, Slough, SL3 7UD

  P/06785/005 Submitted 22 Jun 2026 50 yards away

  Construction of a single storey rear extension

  Granted Full applications Extension
  Small domestic

• Land to the rear of Trelawney Avenue, Slough, Berkshire, SL3 7UD

  P/21088/000 Submitted 8 Jun 2026 50 yards away

  Demolition of an existing storage building to create two adjoined two storey uni

  Granted Full applications Demolition

• Co-operative Retail Services Ltd, 238-240, Trelawney Avenue, Slough, SL3 7UD

  P/02795/010 Submitted 14 Nov 2025 50 yards away

  Construction of a proposed installation of new plant to flat roof to replace exi

  Granted Full applications

• Co-operative Retail Services Ltd, 238-240, Trelawney Avenue, Slough, SL3 7UD

  P/02795/011 Submitted 17 Aug 2026 50 yards away

  78% historically approved · decision due ~12 Oct

  Construction of a rear timber canopy enclosure with a felt roof for storage purp

  Status unknown Full applications

• 298, Trelawney Avenue, Slough, SL3 7UD

  P/06724/003 Submitted 23 Sep 2021 50 yards away

  Retrospective application for a single storey rear extension

  Refused Full applications Extension 3 docs
  Small domestic

• The Langley Academy Of Science, Trelawney Avenue, Langley, Berkshire, SL3 7UD

  TEL/2023/20 Submitted 31 May 2023 50 yards away

  to install electronic communications apparatus/development ancillary to radio

  Decided

• P/21185/000 Awaiting decision

  4, Hunstanton Close, Colnbrook, Slough, SL3 0RL

  Conversion of garage into habitable room

  Received 9 Oct, published by the council 12 Oct 2026 Full applications
• P/16962/002 Awaiting decision

  1, Odencroft Road, Slough, SL2 2BS

  Construction of a part single storey, part two storey side and rear extension to existing dwelling.

  Received 9 Oct, published by the council 12 Oct 2026 Full applications
• P/20300/007 Awaiting decision

  28, Gilliat Road, Slough, SL1 3QX

  Installation of air conditioning unit to the external rear wall.

  Received 8 Oct, published by the council 12 Oct 2026 Full applications
• P/21181/000 Awaiting decision

  96, Grasmere Avenue, Slough, SL2 5JF

  Construction of a single storey front & rear and two storey side extension

  Received 7 Oct, published by the council 12 Oct 2026 Full applications
• P/08479/003 Awaiting decision

  11, Ives Road, Slough, Slough, SL3 8PB

  Retrospective application for the retention of a single storey rear extension built to an increase height.

  Received 7 Oct, published by the council 12 Oct 2026 Full applications