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Planning application

26/00880/FULL

Courtleigh House Charters Road Sunningdale Ascot SL5 9QD

Granted Windsor and Maidenhead Full

Proposal

Single storey front extension with steps, first floor front balcony, loft conversion, 3 no. front rooflights, alterations to fenestration and replacement garage.

As published by the council, reference 26/00880/FULL

Timeline

Dates from the published record

  1. 7 Apr 2026

    Received by Windsor and Maidenhead

  2. 15 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 8 Jun 2026

    Decision issued: Application Permitted

  4. 25 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

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

  • 26/00967/CONDIT Granted

    Syringa Cottage Charters Road Sunningdale Ascot SL5 9RG

    Details required by Condition 3 (Sustainable drainage) of planning permission 25/01353/FULL for a Replacement four bedroom dwelling, EV charger, replacement detached outbuilding with cycle storage, new front boundary treatment, hardstanding and associated parking and landscaping following the demolition of the existing dwelling (Self Build).

    20 Apr 2026 44m away Conditions
  • 22/03424/FULL Refused

    Land At Lady Margaret Cottage Charters Road Sunningdale Ascot

    Erection of x1 detached dwelling with associated parking and landscaping, utilising existing vehicular access following demolition of existing garage.

    28 Dec 2022 57m away Full applications
  • 22/03180/TPO Refused

    Ladymede House Lady Margaret Road Sunningdale Ascot SL5 9QH

    (T1) - English Oak - Crown reduce height and spread by 2m, leaving 11m height and 13m spread. Crown lift from ground by 4m. (T2) - Scrub Oak - Crown clean and crown reduce height and spread by 1.5m, leaving 4m height and 5m spread. (T3) - Scots Pine - Fell. (016/2001/TPO)

    25 Nov 2022 103m away Trees
  • 22/02591/TPO Granted

    14 Charters Way Sunningdale Ascot SL5 9QQ

    (T1) Oak - partial crown reduction of overhanging laterals by 2m back to previous pruning points to leave a spread of 9m. (015/1991/TPO).

    22 Sep 2022 157m away Trees
  • 26/00537/TPO Granted

    Tip Trees Ridgemount Road Sunningdale Ascot SL5 9RL

    Cedar - carry out a targeted tip-reduction of the storm damaged and overly elongated lateral branches of between 1-1.5m (maximum), with final pruning cuts of no greater than 50mm diameter, which would result in a post-pruning canopy spread of no less than 15m. (No height reduction).(019/1986/TPO).

    27 Feb 2026 180m away Trees
  • 23/00294/FULL Refused

    The White House And Land At The White House Stag Lane Sunningdale Ascot

    Single storey front/side extension to facilitate a pool house and plant room, new porch with relocation of front entrance, new steps, hardstanding, alterations to the finish and fenestration, replacement garage and 5no. detached houses with associated parking, landscaping and alterations to the existing access.

    2 Feb 2023 184m 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