17 Parkside Road Sunningdale Ascot SL5 0NL

1. 9 Feb 2026

   Received by Windsor and Maidenhead

2. 9 Apr 2026

   Decision issued: Approve Discharge of Condition

3. 25 Jul 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 9 April 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.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 15 Parkside Road Sunningdale Ascot SL5 0NL

  21/03106/FULL Submitted 18 Oct 2021 50 yards away

  Single storey side/rear extension.

  Granted Full applications Extension 10 docs
  Small domestic

• 15 Parkside Road Sunningdale Ascot SL5 0NL

  21/03107/CPD Submitted 18 Oct 2021 50 yards away

  Certificate of lawfulness to determine whether the proposed rear dormer and 2no. front rooflights is lawful.

  Granted Lawful development Loft or dormer 10 docs

• 7 Parkside Road Sunningdale Ascot SL5 0NL

  22/02846/FULL Submitted 19 Oct 2022 50 yards away

  Part hip to gable to facilitate a loft conversion and alterations to fenestration.

  Refused Full applications Loft or dormer Windows or glazing 12 docs

• 7 Parkside Road Sunningdale Ascot SL5 0NL

  22/01384/FULL Submitted 19 May 2022 50 yards away

  x2 new front rooflights, hip to gable and second floor rear extension to facilitate a loft conversion.

  Refused Full applications Extension Loft or dormer 13 docs

• 1 Sidbury Close Ascot SL5 0PD

  21/01968/FULL Submitted 28 Jun 2021 50 yards away

  Single storey front extension with integral garage.

  Granted Full applications Extension 12 docs
  Small domestic

• 1 Sidbury Close Ascot SL5 0PD

  21/03252/FULL Submitted 2 Nov 2021 50 yards away

  First floor front extension and x1 new window to existing side elevation.

  Granted Full applications Extension Windows or glazing 12 docs

• 26/02463/CONDIT Awaiting decision

  Land Adjacent To 4 Block D Cavalry Crescent Windsor

  Details required by Condition 2 (Contaminated Land) of planning permission 23/01817/FULL for 2no. three bedroom dwellings with associated parking and landscaping following the demolition of the existing garage block.

  Received 8 Oct, published by the council 12 Oct 2026 Conditions
• 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.

  Received 9 Sep, published by the council 12 Sep 2026 Conditions
• 26/02217/CONDIT Granted

  Land South of Kimbers Lane Maidenhead

  Details required by Condition 25 (Bat Licence confirmation) of planning permission 24/02786/FULL for a Full planning application for 225 dwellings together with access, landscaping, open space, parking and associated infrastructure.

  Received 8 Sep, published by the council 12 Sep 2026 Conditions
• 26/02209/CONDIT Granted

  Southleigh & Willianns High Street Cookham Maidenhead

  Details required by Condition 4 (Roof tiles) and 8 (Biodiversity enhancements) of planning permission 25/03339/FULL for a Two storey rear extensions with 1no. Juliet balcony. A loft conversion with 2no. rear rooflights to Southleigh.

  Received 8 Sep, published by the council 12 Sep 2026 Conditions
• 26/02455/CONDIT Awaiting decision

  Bisham Abbey Bisham Village Marlow Road Bisham Marlow SL7 1RR

  Details required by Condition 2 (Ecology) of listed building consent 26/01697/LBC for roof repairs including renewal of the lead coverings to Roofs O1, O2 and O3, replacement of the modern Roof M with a new lead roof, localised repairs to other lead and felt roofs, and replacement of defective clay roof tiles. Localised repairs to masonry, windows, joinery, rainwater goods and soil pipes. Replacement of the external fire escape stair and installation of new roof access hatches and permanent mansafe systems to facilitate future inspection and maintenance.

  Received 7 Oct, published by the council 12 Oct 2026 Conditions