18 Course Road Ascot SL5 7HL

1. 1 Oct 2024

   Received by Windsor and Maidenhead

2. 2 Oct 2024

   Validated

   Checked as complete and ready for consideration.

3. 9 Oct 2024

   Decision issued: Permitted Development

4. 8 Sep 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 9 October 2024, 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.

• 12 Course Road Ascot SL5 7HL

  21/03437/FULL Submitted 19 Nov 2021 18m away

  Single storey rear/side extension, x1 rear dormer and alteration to fenestration following demolition of existing element.

  Granted Full applications Extension Loft or dormer +2 19 docs
  Small domestic

• Lilly Cottage 19 Course Road Ascot SL5 7HQ

  21/02379/CPD Submitted 2 Aug 2021 49m away

  Certificate of lawfulness to determine whether the proposed detached outbuilding is lawful.

  Granted Lawful development 8 docs

• Lilly Cottage 19 Course Road Ascot SL5 7HQ

  21/01315/FULL Submitted 28 Apr 2021 49m away

  Single storey rear extension, loft conversion to include x2 front dormers and Juliet balcony to rear elevation and alteration to neighbour access.

  Granted Full applications Extension Loft or dormer 14 docs
  Small domestic

• 37 Course Road Ascot SL5 7HH

  21/02842/FULL Submitted 21 Sep 2021 62m away

  Single storey rear extension, x1 new rooflight, reconstruction of chimney stack and alteration to fenestration following demolition of existing element.

  Granted Full applications Extension Loft or dormer +2 11 docs
  Small domestic

• 37 Course Road Ascot SL5 7HH

  21/00841/FULL Submitted 19 Mar 2021 62m away

  Single storey rear extension, raising of ridge to accommodate loft conversion, x1 new dormer to the rear, x3 new rooflights, alteration to fenestration, front entrance door and existing chimney, following demolition of existing rear extension.

  Refused Full applications Extension Loft or dormer +2 26 docs
  Small domestic

• 37 Course Road Ascot SL5 7HH

  21/02520/CPD Submitted 17 Aug 2021 65m away

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

  Granted Lawful development Loft or dormer Windows or glazing 9 docs

• 26/00501/CPU Refused

  143 Cookham Road Maidenhead SL6 7EU

  Certificate of lawfulness to determine whether the proposed use of the dwelling as a small childrens home for up to two children and two carers is lawful.

  25 Feb 2026 Lawful development
• 26/01763/CPU Refused

  Land At The Junction of Warners Hill And Dean Lane Cookham Maidenhead

  Certificate of lawfulness to determine whether the proposed use of the land as an orchard with mobile poultry run and polytunnel is lawful.

  17 Jul 2026 Lawful development
• 26/01615/CLU Granted

  Riding Court Farm Riding Court Riding Court Road Datchet Slough SL3 9JT

  Certificate of lawfulness to determine whether the existing units 'JKL' (use class B8) used for storage and distribution; unit 'AB' (use class B8) used for hiring, maintaining, and cleaning concrete screed and machinery and 'storage yard 2' (use class B8) used for the storage of scaffolding is lawful.

  1 Jul 2026 Lawful development
• 26/01581/CLD Granted

  The George Public House The Brewhouse The Green Holyport Road Holyport Maidenhead

  Certificate of lawfulness to determine whether the existing bollard is lawful.

  26 Jun 2026 Lawful development
• 26/02117/CPD Awaiting decision

  27 Tyrell Gardens Windsor SL4 4DH

  Certificate of lawfulness to determine whether the proposed garage conversion is lawful.

  26 Aug 2026 Lawful development