15 Parkside Road Sunningdale Ascot SL5 0NL

This site has had 2 applications since 2021: 2 approved, 0 refused.

• 21/03106/FULL Granted

  15 Parkside Road Sunningdale Ascot SL5 0NL

  Single storey side/rear extension.

  Decided 13 Dec 2021 Full applications

1. 18 Oct 2021

   Received by Windsor and Maidenhead

2. 13 Dec 2021

   Decision issued: Permitted Development

3. 16 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 13 December 2021, 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 lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. 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

• 17 Parkside Road Sunningdale Ascot SL5 0NL

  26/00337/CONDIT Submitted 9 Feb 2026 50 yards away

  Details required by Condition 1 (Obscure Glazing Scheme) and 2 (Timber Wall Scheme) of planning permission 25/02011/FULL (Allowed on Appeal) for 1no. outbuilding ancillary to the main dwelling with steps, for ancillary domestic purposes including home office, exercise and leisure use, following demolition of existing outbuilding (retrospective).

  Granted Conditions Demolition Windows or glazing 9 docs
  Small domestic

• 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

• 26/02222/CPD Refused

  52 Audley Way Ascot SL5 8EF

  Certificate of lawfulness to determine whether the proposed single storey rear extension following the removal of the existing conservatory is lawful.

  Received 8 Sep, published by the council 24 Sep 2026 Lawful development
• 26/01954/CPD Withdrawn

  Mulberry House Waltham Road Maidenhead SL6 3NH

  Certificate of lawfulness to determine whether the single storey rear extension is lawful.

  Received 7 Aug, published by the council 16 Aug 2026 Lawful development
• 26/01856/CLU Granted

  Apple Tree Cottage And Land Adjacent To Apple Tree Cottage Paley Street Maidenhead

  Certificate of lawfulness to determine whether the existing use of the land as a residential garden incidental to the main dwelling is lawful

  Received 28 Jul, published by the council 24 Aug 2026 Lawful development
• 26/02022/CPD Refused

  14 Church View White Waltham Maidenhead SL6 3JQ

  Certificate of lawfulness to determine whether the proposed 1no. rear dormer and alterations to fenestration are lawful

  Received 17 Aug, published by the council 2 Sep 2026 Lawful development
• 26/01862/CLU Granted

  Holyport Pre School Holyport Youth Club Moneyrow Green Holyport Maidenhead SL6 2NA

  Certificate of lawfulness to determine whether the existing use of the site as a pre-school is lawful.

  Received 29 Jul, published by the council 4 Aug 2026 Lawful development