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Planning application

149 Whyteladyes Lane Cookham Maidenhead SL6 9LF

Awaiting decision Windsor and Maidenhead 26/02427/FULL Full

Works: Extension Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

New front porch, part single-storey and part two-storey side/rear extension, 1 no. flue, alterations to fenestration and associated works following removal of the existing detached store/garage

As published by the council, reference 26/02427/FULL

Application record

Reference
26/02427/FULL
Type
Full
Status
Awaiting decision
Received
5 Oct 2026
Validated
5 Oct 2026
Ward
Bisham And Cookham
Parish
Cookham Parish
Postcode
SL6 9LF

Comment by 3 November 2026

The council is taking comments on this application until then. Have your say on Windsor and Maidenhead's portal.

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 2 applications since 2025: 0 approved, 1 refused.

  • 25/03380/FULL Refused

    149 Whyteladyes Lane Cookham Maidenhead SL6 9LF

    New front porch, part single part two storey side/rear extension, 1no. flue and alterations to fenestration.

    Decided 16 Feb 2026 Full applications

Timeline

Dates from the published record

  1. 5 Oct 2026

    Received by Windsor and Maidenhead

  2. 9 Oct 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 30 November 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.

Documents

Plans, drawings, consultee responses and the officer's report

11 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What happens while it is decided

This application is with Windsor and Maidenhead for determination, against a statutory target of eight weeks. Over the last year Windsor and Maidenhead decided full applications in a median of 64 days. More in our guide to how long planning decisions take.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 149 Whyteladyes Lane Cookham Maidenhead SL6 9LF

    25/03380/FULL Submitted 22 Dec 2025 50 yards away

    New front porch, part single part two storey side/rear extension, 1no. flue and alterations to fenestration.

    Refused Full applications Extension Windows or glazing 13 docs
    Small domestic

  • Charwilla 151 Whyteladyes Lane Cookham Maidenhead SL6 9LF

    21/00360/FULL Submitted 8 Feb 2021 50 yards away

    Extension to front porch, single storey side extension, two storey rear extension with balcony, new flue, side glass canopy, alterations to fenestration and detached outbuilding.

    Granted Full applications Extension Windows or glazing 12 docs
    Small domestic

  • Rosemount 145 Whyteladyes Lane Cookham Maidenhead SL6 9LF

    22/01801/CPD Submitted 4 Jul 2022 50 yards away

    Certificate of lawfulness to determine whether the proposed hip to gable loft conversion with x2 front rooflights and x1 rear dormer is lawful.

    Granted Lawful development Loft or dormer 11 docs

  • Coatsworth 141 Whyteladyes Lane Cookham Maidenhead SL6 9LF

    21/02664/FULL Submitted 1 Sep 2021 50 yards away

    Part single/part two storey front extension with canopy and steps, single storey rear extension with canopy, and alteration to fenestration on ground and first floor.

    Granted Full applications Extension Windows or glazing 16 docs
    Small domestic

  • Land At 26 And 26 Spencers Lane Cookham Maidenhead

    25/02970/FULL Submitted 10 Nov 2025 100 yards away

    Part change of use of land for private garden to 26 Spencers Lane and new boundary treatment.

    Granted Full applications 16 docs

  • 108 Whyteladyes Lane Cookham Maidenhead SL6 9LE

    23/02087/NMA Submitted 23 Aug 2023 100 yards away

    Non material amendments to planning permission 22/02682/FULL for changes to the internal layout and the removal of a ground floor side window.

    Granted Amendments Windows or glazing 9 docs

In Windsor and Maidenhead

  • 26/02029/FULL Granted

    5 Kimber Close Windsor SL4 4BJ

    Single storey rear extension.

    Received 17 Aug, published by the council 27 Aug 2026 Full applications
  • 26/01955/FULL Granted

    2 Holmlea Road Datchet Slough SL3 9HQ

    Change of use from a dwellinghouse (Use Class C3) to a children's home (Use Class C2) for up to three children, together with conversion of the garage to an office with an en-suite facilities and alterations to fenestration.

    Received 7 Aug, published by the council 27 Aug 2026 Full applications
  • 26/01121/FULL Granted

    Zain House 15 Wilton Crescent Windsor SL4 4YJ

    Single storey side/front extension, first floor extension over existing side element with 1no. Juliet balcony and 1no. Juliet balcony to existing rear elevation.

    Received 6 May, published by the council 11 Aug 2026 Full applications
  • 26/01977/FULL Granted

    9 St Marks Place Windsor SL4 3BG

    Garage conversion and alterations to fenestration.

    Received 11 Aug, published by the council 24 Aug 2026 Full applications
  • 26/01804/FULL Granted

    16 Devereux Road Windsor SL4 1JJ

    Installation of air conditioning compressor unit to the first floor side elevation.

    Received 23 Jul, published by the council 24 Aug 2026 Full applications