Chandlers Hills Lane Cookham Maidenhead SL6 9NT

This site has had 2 applications since 2026: 1 approved, 0 refused.

• 26/01592/PDXL Granted

  Chandlers Hills Lane Cookham Maidenhead SL6 9NT

  Single storey rear extension no greater than 8.00m in depth, 4.00m high with an eaves height of 3.00m.

  Decided 5 Aug 2026 Prior approval

1. 7 Aug 2026

   Received by Windsor and Maidenhead

2. 16 Aug 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 2 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 lawful development applications in a median of 50 days. More in our guide to how long planning decisions take.

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.

• Chandlers Hills Lane Cookham Maidenhead SL6 9NT

  26/01592/PDXL Submitted 29 Jun 2026 50 yards away

  Single storey rear extension no greater than 8.00m in depth, 4.00m high with an eaves height of 3.00m.

  Granted Prior approval Extension 18 docs
  Small domestic

• Slade House Hills Lane Cookham Maidenhead SL6 9NT

  21/02373/FULL Submitted 2 Aug 2021 50 yards away

  First floor side extension with rear terrace and balustrade, partial new roof, changes to the external finish and alterations to fenestration following the part demolition of the single storey side element.

  Granted Full applications Extension Roofing +2 14 docs
  Small domestic

• Land To The South of Holly Lodge Hills Lane Cookham Maidenhead

  20/00578/OUT Submitted 5 Mar 2020 100 yards away

  Outline application for appearance, layout and scale only to be considered at this stage with all other matters to be reserved for the erection of a stable building and new access.

  Granted Outline 19 docs

• Land To The South of Holly Lodge Hills Lane Cookham Maidenhead

  20/02711/REM Submitted 15 Oct 2020 100 yards away

  Reserved matters pursuant to outline planning permission 20/00578/OUT for outline application for appearance, layout and scale only to be considered at this stage with all other matters to be reserved for the erection of a stable building and new access.

  Granted Reserved matters 26 docs

• Land To The South of Holly Lodge Hills Lane Cookham Maidenhead

  20/02710/CONDIT Submitted 15 Oct 2020 100 yards away

  Details required by condition 5 (storage and disposal of animal and other waste) of planning permission 20/00578/OUT for Outline application for appearance, layout and scale only to be considered at this stage with all other matters to be reserved for the erection of a stable building and new access.

  Granted Conditions 7 docs

• Land To The South of Holly Lodge Hills Lane Cookham Maidenhead

  23/02133/FULL Submitted 1 Sep 2023 100 yards away

  New tractor garage, welfare unit and manure composter.

  Withdrawn Full applications 32 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