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Planning application

1 Coworth Road Sunningdale Ascot SL5 0NX

Refused Windsor and Maidenhead 25/02376/FULL Full

Works: Extension Windows or glazing

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

Proposal

First floor side/rear extension, installation of 2no. HVAC units and alterations to fenestration

As published by the council, reference 25/02376/FULL

Application record

Reference
25/02376/FULL
Type
Full
Status
Decided
Decision
Refused As published: Refuse
Received
12 Sep 2025
Validated
18 Sep 2025
Decided
13 Nov 2025
Ward
Sunningdale And Cheapside
Parish
Sunningdale Parish
Decision by
Delegated
Postcode
SL5 0NX

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 2 applications since 2022: 1 approved, 1 refused.

  • 22/01809/FULL Granted

    1 Coworth Road Sunningdale Ascot SL5 0NX

    Two storey rear extension

    Decided 27 Sep 2022 Full applications

Timeline

Dates from the published record

  1. 12 Sep 2025

    Received by Windsor and Maidenhead

  2. 18 Sep 2025

    Validated

    Checked as complete and ready for consideration.

  3. 13 Nov 2025

    Decision issued: Refuse

  4. 11 Aug 2026

    Added to PlanIndex

Documents

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

15 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.

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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 0.3 miles

  • 1 Coworth Road Sunningdale Ascot SL5 0NX

    22/01809/FULL Submitted 5 Jul 2022 50 yards away

    Two storey rear extension

    Granted Full applications Extension 22 docs

  • The Old Chapel Coworth Road Sunningdale Ascot SL5 0NX

    21/02072/FULL Submitted 5 Jul 2021 50 yards away

    Construction of a pergola - retrospective.

    Granted Full applications 13 docs

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

    26/00962/FULL Submitted 20 Apr 2026 50 yards away

    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).

    Refused Full applications Loft or dormer Windows or glazing 19 docs

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

    21/00384/FULL Submitted 9 Feb 2021 50 yards away

    Garage conversion into habitable accommodation, 2 No. additional front dormers with alterations to roof, 1 No. front rooflight and 4 No. additional rear dormers.

    Granted Full applications Loft or dormer 24 docs

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

    25/03131/NMA Submitted 27 Nov 2025 50 yards away

    Non material amendments to planning permission 21/00384/FULL for the removal of 1no. rear dormer and the enlargement of 2no.rear dormers, alterations to the front roof to include part raising of the front elevation to form a parapet wall.

    Refused Amendments Loft or dormer 9 docs

  • 9 Coworth Road Sunningdale Ascot SL5 0NX

    25/02170/FULL Submitted 26 Aug 2025 50 yards away

    Single storey side/rear extension with 1no. bay window and alterations to fenestration.

    Granted Full applications Extension Windows or glazing 12 docs
    Small domestic

In Windsor and Maidenhead

  • 26/02029/FULL Granted

    5 Kimber Close Windsor SL4 4BJ

    Single storey rear extension.

    Received 17 Aug, published by the council 27 Aug 2026 Full applications
  • 26/01955/FULL Granted

    2 Holmlea Road Datchet Slough SL3 9HQ

    Change of use from a dwellinghouse (Use Class C3) to a children's home (Use Class C2) for up to three children, together with conversion of the garage to an office with an en-suite facilities and alterations to fenestration.

    Received 7 Aug, published by the council 27 Aug 2026 Full applications
  • 26/01121/FULL Granted

    Zain House 15 Wilton Crescent Windsor SL4 4YJ

    Single storey side/front extension, first floor extension over existing side element with 1no. Juliet balcony and 1no. Juliet balcony to existing rear elevation.

    Received 6 May, published by the council 11 Aug 2026 Full applications
  • 26/01977/FULL Granted

    9 St Marks Place Windsor SL4 3BG

    Garage conversion and alterations to fenestration.

    Received 11 Aug, published by the council 24 Aug 2026 Full applications
  • 26/01804/FULL Granted

    16 Devereux Road Windsor SL4 1JJ

    Installation of air conditioning compressor unit to the first floor side elevation.

    Received 23 Jul, published by the council 24 Aug 2026 Full applications