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Planning application

The Sanctum On The Green Cookham Dean Common Cookham Maidenhead SL6 9NZ

Refused Windsor and Maidenhead 25/03252/FULL Full

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Construction of building ancillary to the hotel.

As published by the council, reference 25/03252/FULL

Application record

Reference
25/03252/FULL
Type
Full
Status
Decided
Decision
Refuse
Received
9 Dec 2025
Validated
11 Dec 2025
Decided
5 Feb 2026
Ward
Bisham And Cookham
Parish
Cookham Parish
Decision by
Delegated
Postcode
SL6 9NZ

Site history

Applications at this address on the Windsor and Maidenhead register

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

  • 26/01244/FULL Awaiting decision

    The Sanctum On The Green Cookham Dean Common Cookham Maidenhead SL6 9NZ

    Replacement glazed extension with new lobby, main entrance, covered area and paving following the demolition of the existing conservatory.

    Submitted 15 May 2026 Full applications

Timeline

Dates from the published record

  1. 9 Dec 2025

    Received by Windsor and Maidenhead

  2. 11 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 5 Feb 2026

    Decision issued: Refuse

  4. 11 Aug 2026

    Added to PlanIndex

Documents

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

50 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 this refusal means

Windsor and Maidenhead refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

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 500 metres

  • The Sanctum On The Green Cookham Dean Common Cookham Maidenhead SL6 9NZ

    26/01244/FULL Submitted 15 May 2026 9m away

    71% historically approved · decision due ~23 Jul

    Replacement glazed extension with new lobby, main entrance, covered area and paving following the demolition of the existing conservatory.

    Awaiting decision Full applications Extension Demolition +1 54 docs

  • The Nook Church Road Cookham Dean Maidenhead SL6 9PD

    22/03170/TCA Submitted 25 Nov 2022 90m away

    Removal of conifer hedge.

    Granted Trees 13 docs

  • Coppenhall Cookham Dean Common Cookham Maidenhead SL6 9NZ

    21/02588/TCA Submitted 16 Aug 2021 91m away

    (T1) Cherry Tree - 3m crown reduction and shape.

    Granted Trees 5 docs

  • The Nook Church Road Cookham Dean Maidenhead SL6 9PD

    21/02361/TCA Submitted 27 Jul 2021 104m away

    T1 - Lime - Crown reduction to a final spread of 5m, T2 - Ash - fell, T3 - Hazelnut - fell

    Granted Trees 5 docs

  • Coppenhall Cookham Dean Common Cookham Maidenhead SL6 9NZ

    22/01609/CONDIT Submitted 13 Jun 2022 109m away

    Details required by Condition 2 (external materials) of planning permission 20/00854 for the Garage conversion, raising of the eaves and ridge to create first floor accommodation with x3 windows at first floor, x1 rooflight and x1 gable with juliet balcony to the North elevation, x3 rooflights and x1 gable with first floor balcony to the East elevation, x2 windows at first floor and x2 rooflights to the South elevation, x2 windows to the first floor West elevation, alterations to the ground floor fenestration, new access and driveway

    Granted Conditions Loft or dormer Windows or glazing 7 docs

  • Coppenhall Cookham Dean Common Cookham Maidenhead SL6 9NZ

    22/01002/NMA Submitted 11 Apr 2022 109m away

    Non material amendments to planning permission 20/00854/FULL for the installation of x1 rooflight to the South elevation of the dwelling and alterations to doors and windows to the dwelling and outbuilding.

    Granted Amendments Loft or dormer Windows or glazing 5 docs
    Small domestic

In Windsor and Maidenhead

  • 26/00685/FULL Granted

    Blossoms Broomfield Park Sunningdale Ascot SL5 0JT

    Relocation of front entrance door, new front canopy, single storey side infill extension, part single part two storey rear extension, first floor side extension, 1no. front dormer and alterations to fenestration and external finishes following demolition of existing elements.

    16 Mar 2026 Full applications
  • 26/01566/FULL Refused

    20 Victoria Road Eton Wick Windsor SL4 6LY

    New front boundary treatment, piers and gates (part retrospective).

    25 Jun 2026 Full applications
  • 26/01732/FULL Granted

    27 Hemsdale Maidenhead SL6 6SL

    Enlargement and conversion of the existing garage, single storey side/rear extension and alterations to fenestration.

    15 Jul 2026 Full applications
  • 26/01676/FULL Granted

    51 Upper Village Road Ascot SL5 7AJ

    Single storey side/rear extension.

    9 Jul 2026 Full applications
  • 26/01227/FULL Granted

    92 Kennel Ride Ascot SL5 7NW

    Two storey side extension with canopy, single storey rear extension alterations to fenestration and a detached outbuilding ancillary to the main dwelling.

    14 May 2026 Full applications