Land West of Colne Brook Foundry Lane Horton Slough

This site has had 2 applications since 2020: 1 approved, 0 refused.

• 20/01254/CONDIT Granted

  Land West of Colne Brook Foundry Lane Horton Slough

  Details required by condition 7 (mitigation measures) and 9 (proposed groundwater control measures) of planning permission 17/03426/FULL for Sand and gravel extraction and restoration by infilling with inert waste of Poyle Quarry extension (preferred Area 12)

  Decided 22 Jul 2020 Conditions

1. 3 Oct 2025

   Received by Windsor and Maidenhead

2. 8 Oct 2025

   Validated

   Checked as complete and ready for consideration.

3. 27 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 3 December 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Windsor and Maidenhead took a median of 56 days over the applications it decided in the last year.

This application is with Windsor and Maidenhead for determination, against a statutory target of eight weeks. Over the last year Windsor and Maidenhead's median decision took 56 days. More in our guide to how long planning decisions take.

This application sits outside the common categories, and the council record linked on this page sets out the specific procedure that applies. More in our guide to planning application types.

• Land West of Colne Brook Foundry Lane Horton Slough

  20/01254/CONDIT Submitted 2 Jun 2020 350 yards away

  Details required by condition 7 (mitigation measures) and 9 (proposed groundwater control measures) of planning permission 17/03426/FULL for Sand and gravel extraction and restoration by infilling with inert waste of Poyle Quarry extension (preferred Area 12)

  Granted Conditions Extension 9 docs

• Land At Manor Farm Poyle Road Poyle Slough

  26/30013/SMI Submitted 21 Sep 2026 400 yards away

  78% historically approved · decision due ~16 Nov

  Construction of a proposed demolition of existing buildings and structures, and erection of three Data Centres (Use Class B8) with ancillary substation, offices, associated plant, emergency backup generators and associated fuel storage, landscaping, sustainable drainage systems, car and cycle parking, and new and amended vehicular and emergency access from Poyle Road, site re-levelling, community building, river diversion and other associated works.

  Awaiting decision Demolition 3 docs

• Land At Manor Farm Poyle Road Poyle Slough

  26/02320/FULL Submitted 17 Sep 2026 400 yards away

  70% historically approved · decision due ~12 Nov

  Demolition of existing buildings and structures, and erection of three Data Centres (Use Class B8) with ancillary substation, offices, associated plant, emergency backup generators and associated fuel storage, landscaping, sustainable drainage systems, car and cycle parking, and new and amended vehicular and emergency access from Poyle Road, site re-levelling, community building, river diversion and other associated works.

  Awaiting decision Full applications Demolition 230 docs

• Land West Of The Iver South Sludge Dewatering Centre South M4 Slough

  20/00014/MIS Submitted 6 Jan 2020 0.3 miles away

  Neighbouring Authority Consultation for the proposed development of a replacement Energy from Waste (EfW) facility including a High Temperature incinerator (HTI) provision of a new access road and new junction with the A4, visitor centre, car parking, temporary construction compound, associated works, ancillary buildings and structures

  Granted 4 docs

• 9, Cottesbrooke Close, Slough, SL3 0JE

  P/15142/001 Submitted 31 Mar 2026 0.3 miles away

  Lawful development certificate for a proposed hip to gable loft conversion with

  Granted Loft or dormer

• 9, Cottesbrooke Close, Slough, SL3 0JE

  P/15142/002 Submitted 2 Apr 2026 0.3 miles away

  Construction of a single storey rear outbuilding for use of gym following the de

  Granted Full applications
  Small domestic

• 26/02185/AGDET Withdrawn

  Old Gunsbrook House Twyford Road Waltham St Lawrence Reading RG10 0HE

  Notification to determine whether prior approval is required for a agricultural storage building.

  Received 4 Sep, published by the council 12 Sep 2026 Other
• 26/02342/AGDET Awaiting decision

  Switchback Farm Switchback Road North Maidenhead SL6 7TY

  Notification to determine whether prior approval is required for a new agricultural straw and hay storage barn.

  Received 23 Sep, published by the council 30 Sep 2026 Other
• 26/02116/AGDET Refused

  Copse Manor Farm Paley Street Maidenhead

  Notification to determine whether prior approval is required for the formation of a new agricultural track, re-dressing of an existing agricultural track and associated agricultural attenuation works.

  Received 26 Aug, published by the council 8 Sep 2026 Other
• 26/02272/AGDET Awaiting decision

  Beenhams Farm Beenhams Heath Shurlock Row Reading

  Notification to determine whether prior approval is required for an excavation of irrigation reservoir.

  Received 16 Sep, published by the council 24 Sep 2026 Other
• 26/02028/AGDET Refused

  Beenhams Farm Beenhams Heath Shurlock Row Reading

  Notification to determine whether prior approval is required for excavations for an irrigation reservoir.

  Received 17 Aug, published by the council 27 Aug 2026 Other