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Planning application

23/00355/FULL

159 Courthouse Road Maidenhead SL6 6HY

Refused Windsor and Maidenhead Full

Proposal

First floor rear extension, hip to gable, 1no. rear dormer and alterations to fenestration.

As published by the council, reference 23/00355/FULL

Timeline

Dates from the published record

  1. 9 Feb 2023

    Received by Windsor and Maidenhead

  2. 3 Mar 2023

    Validated

    Checked as complete and ready for consideration.

  3. 6 Apr 2023

    Decision issued: Refuse

  4. 27 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

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

  • 26/00452/PDXL Granted

    153 Courthouse Road Maidenhead SL6 6HY

    Single storey rear extension no greater than 6.00m in depth, 3.50m high with an eaves height of 3.00m, alterations to the existing roof, external finish and fenestration and removal of the existing 2no. rear dormers, single storey rear extension and detached garage.

    20 Feb 2026 24m away Prior approval
  • 26/00453/CPD Granted

    153 Courthouse Road Maidenhead SL6 6HY

    Certificate of lawfulness to determine whether the proposed 2no. front rooflights, hip to gable and 1no. rear dormer following the removal of the existing first floor rear element is lawful.

    20 Feb 2026 24m away Lawful development
  • 23/00361/FULL Granted

    173 Courthouse Road Maidenhead SL6 6HX

    Two storey front/side extension with entrance canopy, part single, part first floor, part two storey side/rear extension, alterations to fenestration and external finish following the demolition of existing elements.

    8 Feb 2023 91m away Full applications
  • 26/00815/FULL Refused

    Charbon House 185A Courthouse Road Maidenhead SL6 6HX

    2 no. east facing dormers and removal of existing PV panels

    30 Mar 2026 144m away Full applications
  • 22/03400/VAR Granted

    Land At 185A And 187 Courthouse Road Maidenhead

    Variation (under Section 73A) of Condition 15 (Approved Plans) to substitute those plans approved under 22/00085/VAR for a variation (under Section 73) of condition 15 (approved plans) to substitute those plans approved under 21/01675/FULL for the demolition of the existing garage and construction of two new four bedroom family homes with amended plans.

    22 Dec 2022 158m away Amendments
  • 26/01588/FULL Awaiting decision

    46 Spencers Road Maidenhead SL6 6LN

    Single storey rear extension following the demolition of the existing single storey rear element.

    29 Jun 2026 207m away Full applications

In Windsor and Maidenhead

  • 26/00962/FULL Granted

    Bonnicut Barn Bonnicut Court 14 High Street Sunningdale Ascot SL5 0NB

    2no. front dormers, part raising of the front elevation to form a parapet wall and terrace, 3no. front rooflights, 3no. rear dormers and alterations to fenestration. (Part Retrospective).

    20 Apr 2026 Full applications
  • 26/01310/FULL Granted

    6 Gilman Crescent Windsor SL4 4YN

    Single storey front/side extension, relocated front door, two storey rear extension, alterations to fenestration and hardstanding, new steps, 1 no. dropped kerb, following demolition of existing elements

    22 May 2026 Full applications
  • 25/03313/FULL Refused

    Land To The South of Lower Mount Farm Long Lane Cookham Maidenhead

    Erection of a crematorium with ceremony hall and memorial arboretum, associated use of land, PV array, vehicular access, parking, landscaping, pavement and road widening along Long Lane.

    15 Dec 2025 Full applications
  • 26/01387/FULL Granted

    7 Elm Road Windsor SL4 3NB

    Single storey rear/side extension

    5 Jun 2026 Full applications
  • 26/00877/FULL Granted

    45 Queens Close Old Windsor Windsor SL4 2PR

    Two storey front/side extension.

    7 Apr 2026 Full applications