Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR

This site has had 7 applications since 2023: 4 approved, 1 refused.

• 26/02232/CONDIT Granted

  Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR

  Details required by Condition 3 (Bat Licence) of planning permission 23/03099/FULL for the enlargement of existing lower ground floor, two storey front extension with front gable, single storey rear extension with balustrade, 2no. proposed rear dormers, , 3no. chimneys, raised terrace with balustrade, steps and conversion of existing garage to an annex ancillary to main dwelling with new roof, alterations to fenestration and external finishes, replacement garage, new EV charger, hardstanding, landscaping, retaining wall and boundary treatment to front, following demolition of existing elements.

  Decided 7 Oct 2026 Conditions
• 26/02031/CONDIT Granted

  Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR

  Details required by Condition 4 (External Lighting) and Condition 5 (Biodiversity Enhancements) of planning permission 23/03099/FULL for the enlargement of existing lower ground floor, two storey front extension with front gable, single storey rear extension with balustrade, 2no. proposed rear dormers, , 3no. chimneys, raised terrace with balustrade, steps and conversion of existing garage to an annex ancillary to main dwelling with new roof, alterations to fenestration and external finishes, replacement garage, new EV charger, hardstanding, landscaping, retaining wall and boundary treatment to front, following demolition of existing elements.

  Decided 24 Sep 2026 Conditions
• 23/02203/FULL Withdrawn

  Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR

  Enlargement of existing lower ground floor, two storey front extension with front gable, single storey wraparound extension (side/rear/side), first floor side extensions, enlargement of roof space to include 2no. rear dormers, 3no. chimneys, raised terrace with balustrade, steps and conversion of existing garage to an annex ancillary to main dwelling with new roof, alterations to fenestration and external finishes, replacement garage, new EV charger, hardstanding, landscaping, retaining wall and boundary treatment to front, following demolition of existing elements.

  Decided 25 Oct 2023 Full applications
• 23/01855/CPD Granted

  Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR

  Certificate of lawfulness to determine whether the single storey rear extension and 2no. detached outbuildings incidental to the main dwelling and the removal of the existing cat-slide roof projections to the rear are lawful.

  Decided 17 Aug 2023 Lawful development
• 23/01626/CPD Refused

  Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR

  Certificate of lawfulness to determine whether the alterations to lower ground floor to provide additional floor space, single storey rear extension and 2no. detached outbuilding ancillary to the main dwelling are lawful.

  Decided 12 Jul 2023 Lawful development
• 23/00332/FULL Granted

  Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR

  Two and a half storey front extension with gable, 2 no. single storey side extensions, enlargement of the existing first floor with 2 no. first floor side extensions, 2 no. rear dormers, Garage conversion with new roof to provide ancillary accommodation, 1 no. replacement garage, enlargement of existing patio, new hardstanding and steps, alterations to fenestration and external finishes following demolition of existing elements.

  Decided 29 Jun 2023 Full applications

1. 4 Aug 2026

   Received by Windsor and Maidenhead

2. 10 Aug 2026

   Validated

   Checked as complete and ready for consideration.

3. 16 Aug 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 5 October 2026, 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 decided full applications in a median of 64 days. More in our guide to how long planning decisions take.

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.

• Garden Reach Gibraltar Lane Cookham Maidenhead SL6 9TR

  20/03518/FULL Submitted 29 Dec 2020 50 yards away

  Replacement dwelling and outbuildings to include new vehicular and pedestrian access.

  Withdrawn Full applications 83 docs
  Domestic

• Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR

  23/01855/CPD Submitted 31 Jul 2023 50 yards away

  Certificate of lawfulness to determine whether the single storey rear extension and 2no. detached outbuildings incidental to the main dwelling and the removal of the existing cat-slide roof projections to the rear are lawful.

  Granted Lawful development Extension 9 docs
  Small domestic

• Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR

  23/01626/CPD Submitted 4 Jul 2023 50 yards away

  Certificate of lawfulness to determine whether the alterations to lower ground floor to provide additional floor space, single storey rear extension and 2no. detached outbuilding ancillary to the main dwelling are lawful.

  Refused Lawful development Extension 29 docs
  Small domestic

• Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR

  23/00332/FULL Submitted 7 Feb 2023 50 yards away

  Two and a half storey front extension with gable, 2 no. single storey side extensions, enlargement of the existing first floor with 2 no. first floor side extensions, 2 no. rear dormers, Garage conversion with new roof to provide ancillary accommodation, 1 no. replacement garage, enlargement of existing patio, new hardstanding and steps, alterations to fenestration and external finishes following demolition of existing elements.

  Granted Full applications Extension Loft or dormer +3 60 docs
  Small domestic

• Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR

  26/02232/CONDIT Submitted 9 Sep 2026 50 yards away

  Details required by Condition 3 (Bat Licence) of planning permission 23/03099/FULL for the enlargement of existing lower ground floor, two storey front extension with front gable, single storey rear extension with balustrade, 2no. proposed rear dormers, , 3no. chimneys, raised terrace with balustrade, steps and conversion of existing garage to an annex ancillary to main dwelling with new roof, alterations to fenestration and external finishes, replacement garage, new EV charger, hardstanding, landscaping, retaining wall and boundary treatment to front, following demolition of existing elements.

  Granted Conditions Extension Loft or dormer +3 6 docs
  Small domestic

• Riverside Gibraltar Lane Cookham Maidenhead SL6 9TR

  23/02203/FULL Submitted 8 Sep 2023 50 yards away

  Enlargement of existing lower ground floor, two storey front extension with front gable, single storey wraparound extension (side/rear/side), first floor side extensions, enlargement of roof space to include 2no. rear dormers, 3no. chimneys, raised terrace with balustrade, steps and conversion of existing garage to an annex ancillary to main dwelling with new roof, alterations to fenestration and external finishes, replacement garage, new EV charger, hardstanding, landscaping, retaining wall and boundary treatment to front, following demolition of existing elements.

  Withdrawn Full applications Extension Loft or dormer +3 47 docs
  Small domestic

• 26/02029/FULL Granted

  5 Kimber Close Windsor SL4 4BJ

  Single storey rear extension.

  Received 17 Aug, published by the council 27 Aug 2026 Full applications
• 26/01955/FULL Granted

  2 Holmlea Road Datchet Slough SL3 9HQ

  Change of use from a dwellinghouse (Use Class C3) to a children's home (Use Class C2) for up to three children, together with conversion of the garage to an office with an en-suite facilities and alterations to fenestration.

  Received 7 Aug, published by the council 27 Aug 2026 Full applications
• 26/01121/FULL Granted

  Zain House 15 Wilton Crescent Windsor SL4 4YJ

  Single storey side/front extension, first floor extension over existing side element with 1no. Juliet balcony and 1no. Juliet balcony to existing rear elevation.

  Received 6 May, published by the council 11 Aug 2026 Full applications
• 26/01977/FULL Granted

  9 St Marks Place Windsor SL4 3BG

  Garage conversion and alterations to fenestration.

  Received 11 Aug, published by the council 24 Aug 2026 Full applications
• 26/01804/FULL Granted

  16 Devereux Road Windsor SL4 1JJ

  Installation of air conditioning compressor unit to the first floor side elevation.

  Received 23 Jul, published by the council 24 Aug 2026 Full applications