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 55 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 3m 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 55m 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

  23/02133/FULL Submitted 1 Sep 2023 73m away

  New tractor garage, welfare unit and manure composter.

  Withdrawn Full applications 32 docs

• Charnwold Hills Lane Cookham Maidenhead SL6 9NT

  22/01487/FULL Submitted 1 Jun 2022 78m away

  New detached three-bay carport.

  Refused Full applications 14 docs

• Hamilton Lodge Dean Lane Cookham Maidenhead SL6 9AF

  23/00218/FULL Submitted 26 Jan 2023 149m away

  x1 new outbuilding.

  Refused Full applications 15 docs

• Little Slades Hills Lane Cookham Maidenhead SL6 9NT

  22/00077/TCA Submitted 12 Jan 2022 152m away

  Silver Birch - fell.

  Granted Trees 8 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