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Planning application

May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

Awaiting decision Windsor and Maidenhead 26/01948/FULL Full

Works: Extension Loft or dormer Demolition 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

Relocation of the front entrance door, replacement front canopy with 1no. dormer above, single storey rear extension, single storey front/side extension with new steps, 1no. additional side dormer, 1no. rear dormer and alterations to fenestration and external finish following demolition of existing elements.

As published by the council, reference 26/01948/FULL

Application record

Reference
26/01948/FULL
Type
Full
Status
Awaiting decision
Received
7 Aug 2026
Validated
7 Aug 2026
Ward
Bisham And Cookham
Parish
Bisham Parish
Postcode
SL6 9UD

Comment by 8 September 2026

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

Timeline

Dates from the published record

  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.

Documents

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

13 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.

Trade members open them from here.

Open the documents

What happens while it is decided

The process from here

This application is with Windsor and Maidenhead for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About full applications applications

How this application type works

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

Nearby applications

Within 500 metres

  • May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

    26/01042/CPD Submitted 28 Apr 2026 2m away

    Certificate of lawfulness to determine whether the proposed 4no. outbuildings incidental to the main dwelling and 1no. pool and hot tub following demolition of existing outbuildings are lawful.

    Granted Lawful development Demolition 9 docs
    Domestic

  • May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

    25/03029/CPD Submitted 17 Nov 2025 2m away

    Certificate of lawfulness to determine whether the proposed single storey side extension, single storey rear extension and insertion of 3 no. rooflight windows are lawful.

    Granted Lawful development Extension Loft or dormer +1 8 docs
    Small domestic

  • May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

    25/03367/CPD Submitted 19 Dec 2025 2m away

    Certificate of lawfulness to determine whether the proposed single storey rear extension with habitable accommodation in the roofspace is lawful.

    Granted Lawful development Extension 7 docs
    Small domestic

  • May Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

    25/02166/CPD Submitted 26 Aug 2025 2m away

    Certificate of lawfulness to determine whether the proposed single storey rear extension, single storey side extension and 4no. rooflights are lawful.

    Refused Lawful development Extension Loft or dormer 11 docs
    Small domestic

  • Fernie Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

    22/02843/FULL Submitted 24 Oct 2022 78m away

    Garage conversion, part two storey, part first floor rear extension and alterations to fenestration.

    Granted Full applications Extension Windows or glazing 13 docs

  • Dry Cottage Grubwood Lane Cookham Maidenhead SL6 9UD

    21/03638/FULL Submitted 13 Dec 2021 79m away

    Two storey extension and x2 dormers to south east elevation following demolition of existing element.

    Granted Full applications Extension Loft or dormer +1 12 docs

In Windsor and Maidenhead

  • 26/01628/FULL Granted

    25 Bannard Road Maidenhead SL6 4NP

    Single storey rear extension following the demolition of the existing conservatory.

    3 Jul 2026 Full applications
  • 26/01384/FULL Granted

    Stoney Vere Farm House Butchers Lane White Waltham Maidenhead SL6 3SD

    Single storey side extension

    4 Jun 2026 Full applications
  • 26/01674/FULL Granted

    50 Welley Road Wraysbury Staines TW19 5DJ

    Detached annexe to be used ancillary to the main dwelling.

    9 Jul 2026 Full applications
  • 26/01312/FULL Refused

    16 Whyteladyes Lane Cookham Maidenhead SL6 9NA

    Hip to gable, 1no. front dormer, 1no. rear dormer and alterations to fenestration and relocation of PV panels.

    27 May 2026 Full applications
  • 26/01379/FULL Granted

    Lotus Cottage Holyport Street Holyport Maidenhead SL6 2JR

    Part single part two storey part first floor rear/side extension and alterations to fenestration.

    4 Jun 2026 Full applications