138 Clewer Hill Road Windsor SL4 4DB

1. 3 Oct 2025

   Received by Windsor and Maidenhead

2. 20 Oct 2025

   Decision issued: Permitted Development

3. 11 Aug 2026

   Added to PlanIndex

Windsor and Maidenhead granted permission on 20 October 2025, 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.

• Land At 20 Firs Avenue Windsor

  22/02182/FULL Submitted 9 Aug 2022 36m away

  The erection of 1no. end of terrace three bedroom dwelling with associated refuse store and parking.

  Granted Full applications 55 docs
  Domestic

• Land At 20 Firs Avenue Windsor

  23/00338/CONDIT Submitted 8 Feb 2023 36m away

  Details required by Condition 2 (Acoustics) of Planning Permission 22/02182 for the erection of 1no. end of terrace three bedroom dwelling with associated refuse store and parking.

  Granted Conditions 7 docs
  Domestic

• Land At 20 Firs Avenue Windsor

  23/00280/CONDIT Submitted 2 Feb 2023 36m away

  Details required by Condition 3 (Biodiversity Enhancements) of Planning Permission 22/02182/FULL for the erection of 1no. end of terrace three bedroom dwelling with associated refuse store and parking.

  Granted Conditions 3 docs
  Domestic

• Land At 20 Firs Avenue Windsor

  23/00272/NMA Submitted 1 Feb 2023 36m away

  Non material amendments to planning permission 22/02182/FULL for alterations to the ground floor rear elevation to replace the door and window with a combined door and windows.

  Granted Amendments Windows or glazing 5 docs

• 152 Clewer Hill Road Windsor SL4 4DB

  23/00054/FULL Submitted 10 Jan 2023 56m away

  New driveway with dropped kerb and ramps.

  Granted Full applications 9 docs

• 17 Nelson Road Windsor SL4 3RQ

  22/00238/FULL Submitted 1 Feb 2022 76m away

  Single storey rear extension and hip to gable roof extension, 3 No. front rooflights, rear dormer and front infill extension.

  Granted Full applications Extension Loft or dormer 10 docs
  Small domestic

• 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