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Planning application

23/00305/FULL

16 Coworth Road Sunningdale Ascot SL5 0NX

Granted Windsor and Maidenhead Full

Proposal

Single storey rear extension, hip to gable, 1no. rear dormer and alterations to fenestration.

As published by the council, reference 23/00305/FULL

Timeline

Dates from the published record

  1. 6 Feb 2023

    Received by Windsor and Maidenhead

  2. 3 Apr 2023

    Decision issued: Application Permitted

  3. 27 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

  • 26/00847/TCA Granted

    The Nags Head 28 High Street And Sunningdale Baptist Church High Street Sunningdale Ascot SL5 0NG

    (T1) (T2) (T) - 3 x Sycamore and (T4) - Sumac saplings - Fell Sycamores to wall height and Fell the Sumac saplings to ground level. (T5) (T6) - 2 x Holly - Reduce by 3m overall, leaving a final height of 6m and spread of 5m. (T7) - Yew - Remove secondary branches at base of tree.

    1 Apr 2026 50m away Trees
  • 23/00265/CPD Refused

    27 Coworth Road Sunningdale Ascot SL5 0NX

    Certificate of lawfulness to determine whether the proposed second floor front extension with hip to gable, 3 No. front rooflights and rear dormer to facilitate habitable accommodation in roof space is lawful.

    1 Feb 2023 59m away Lawful development
  • 24/02441/CONDIT Granted

    20 - 22 High Street Sunningdale Ascot

    Details required by Condition 5 (Enclosure to be agreed) of planning permission 22/01683/FULL for a part single part two storey side/rear extension and alterations to fenestration.

    7 Oct 2024 59m away Conditions
  • 22/03214/FULL Refused

    18 High Street Sunningdale Ascot SL5 0NG

    Erection of x2 semi detached houses (Use Class C3) with associated amenity space, landscaping, car and cycle parking and refuse storage following demolition of existing commercial buildings.

    1 Dec 2022 68m away Full applications
  • 26/00467/CONDIT Granted

    18 High Street Sunningdale Ascot SL5 0NG

    Details required by Condition 5 (BNG Plan and HMMP) and 10 (Construction Strategy and WPP) of planning permission 25/02128/FULL for 1no. dwelling with associated parking, refuse and cycle store.

    20 Feb 2026 69m away Conditions
  • 26/00469/CONDIT Granted

    18 High Street Sunningdale Ascot SL5 0NG

    Details required by Condition 3 (External Lighting), 4 (Biodiversity Enhancements), 6 (Bin and Cycle Storage), 11 (ASHP) and 12 (EV Charging) of planning permission 25/02128/FULL for 1no. dwelling with associated parking, refuse and cycle store

    23 Feb 2026 69m away Conditions

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