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Planning application

26/00485/FULL

Welkin Hurst Winter Hill Cookham Maidenhead SL6 9TT

Granted Windsor and Maidenhead Full

Proposal

1no. bay window and alterations to fenestration.

As published by the council, reference 26/00485/FULL

Timeline

Dates from the published record

  1. 23 Feb 2026

    Received by Windsor and Maidenhead

  2. 16 Apr 2026

    Decision issued: Application Permitted

  3. 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

  • 26/01797/TCA Awaiting decision

    Dean Croft Startins Lane Cookham Maidenhead SL6 9TS

    (T1) Yew - Reduce by 2 - 3 metres, leaving a final height of 8m and width of 5m.

    22 Jul 2026 176m away Trees
  • 23/00021/FULL Granted

    High Rising Gibraltar Lane Cookham Maidenhead SL6 9TR

    Relocation of existing entrance, single storey side extension with extension to the habitable accommodation within the roofspace, 1no. front dormer, 1no. refurbished front dormer, 1no. refurbished side dormer, 1no. side bay window, raised terrace with steps and balustrade, front and rear canopies, alterations to the external finish and fenestration and detached car port following the demolition of the existing detached garage.

    5 Jan 2023 178m away Full applications
  • 26/00330/TPO Granted

    Quarry Clyffe House Quarry Wood Bisham Marlow SL7 1RF

    (T2) and (T3) Hazel - Re-pollard. (G5) Sycamore and Ash - prune to give up to 2.5m clearance to the house including the chimney. (001/1951/TPO)

    6 Feb 2026 200m away Trees
  • 24/02447/CONDIT Granted

    Silver Birches Startins Lane Cookham Maidenhead SL6 9TS

    Details required by Condition 4 (Biodiversity Enhancements) of planning permission 23/02539/FULL for the Enlargement of existing first floor with part two storey part first floor side/rear extension with undercroft, alterations to front elevation, garage conversion to habitable accommodation ancillary to main dwelling and replacement dormer on north west elevation, enlargement of raised terrace, alterations to steps, fenestration and external finishes and relocation of existing vehicular access and dropped kerb following demolition of existing elements.

    9 Oct 2024 205m away Conditions
  • 22/02977/TPO Granted

    Quarry Clyffe House Quarry Wood Bisham Marlow SL7 1RF

    (T1) - Willow - Prune limb extending to boathouse by 1m and lateral limb over water by 2m. Crown lift canopy by 2m over water, matching canopy level over grass and dock area. (T2) - Hazel - Reduce in height by 3m to previous pruning points, leaving 3m height and spread. (T3) - Hazel - Reduce height by 2m, leaving 3m height and spread. (T4) - Hazel - Reduce height by 2m, leaving 2.5m height. Prune extending limbs over drive back towards main stem leaving 2m spread. (T5) - Yew - Fell. (T6) - Yew - Crown reduce by 2m, leaving final height of 6m and prune lateral limbs by 1.5m, leaving final spread of 3m. (T7 & T8) - Ash - Fell. (G1) - Crown reduce tree group by: (a) - 1.5m, leaving 10m height and 4m spread. (b) - 2m, leaving 10m height and 3m spread. (c) - 1.5m, leaving 10m height and 3m spread. (d) - 2.5m, leaving 6m height and 1.5m spread. (e) - 2.5m, leaving 6m height and 1.5m spread. (f) - 2m, leaving 10m height and 4m spread. (001/1951/TPO)

    8 Nov 2022 205m away Trees
  • 26/00342/TCA Granted

    Queens Gate Kings Lane Cookham Maidenhead SL6 9AY

    (T1) Oak - remove 2 lowest branches growing over / towards conifer and 1 lowest branch growing towards driveway. (T2) Conifer - reduce height by up to 1.5m bringing canopy close to previous pruning points, trim all over to contain and improve shape. (H1) Mixed hedge - mainly laurel with yew and holly - reduce height of all to current lowest point, leaving as level as possible.

    9 Feb 2026 265m away Trees

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