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Planning application

Chadwicke House Sunning Avenue Sunningdale Ascot SL5 9PW

Refused Windsor and Maidenhead 21/02668/FULL Full

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

Proposal

x1 Outbuilding.

As published by the council, reference 21/02668/FULL

Application record

Reference
21/02668/FULL
Type
Full
Status
Decided
Decision
Refused As published: Refuse
Received
1 Sep 2021
Validated
4 Oct 2021
Decided
17 Jun 2022
Ward
Sunningdale And Cheapside
Parish
Sunningdale Parish
Decision by
Delegated
Postcode
SL5 9PW

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 2 applications since 2021: 0 approved, 1 refused.

  • 26/02457/TPO Awaiting decision

    Chadwicke House Sunning Avenue Sunningdale Ascot SL5 9PW

    (T1) Beech - selectively reduce the northern side of the crown by up to 2m, reducing the crown spread in this area from approximately 15m to 13m, reduction will target the longest sections of the crown, pruning back to suitable growth points and crown lift to approximately 5m above ground level. (033/2005/TPO).

    Submitted 8 Oct 2026 Trees

Timeline

Dates from the published record

  1. 1 Sep 2021

    Received by Windsor and Maidenhead

  2. 4 Oct 2021

    Validated

    Checked as complete and ready for consideration.

  3. 17 Jun 2022

    Decision issued: Refuse

  4. 16 Aug 2026

    Added to PlanIndex

Documents

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

16 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.

Watch members (£5 a month) open the document list from here.

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

  • Chadwicke House Sunning Avenue Sunningdale Ascot SL5 9PW

    26/02457/TPO Submitted 8 Oct 2026 50 yards away

    96% historically approved · decision due ~3 Dec

    (T1) Beech - selectively reduce the northern side of the crown by up to 2m, reducing the crown spread in this area from approximately 15m to 13m, reduction will target the longest sections of the crown, pruning back to suitable growth points and crown lift to approximately 5m above ground level. (033/2005/TPO).

    Awaiting decision Trees 3 docs

  • Clevedon House 3 Ashwood Place Ascot SL5 9ND

    23/00425/TPO Submitted 17 Feb 2023 50 yards away

    T1 - Pine - Fell. (009/2001/TPO)

    Granted Trees 7 docs

  • Clevedon House 3 Ashwood Place Ascot SL5 9ND

    23/00737/FULL Submitted 22 Mar 2023 50 yards away

    Addition of fencing to existing boundary wall onto Devenish Road.

    Granted Full applications 16 docs
    Small domestic

  • Aksarben 5 Sunning Avenue Sunningdale Ascot SL5 9PN

    23/02550/FULL Submitted 16 Oct 2023 150 yards away

    Single storey side/rear extension and an AVAC unit to the rear elevation.

    Granted Full applications Extension 19 docs
    Small domestic

  • Dovetree House Devenish Road Sunningdale Ascot SL5 9PH

    24/02495/FULL Submitted 15 Oct 2024 150 yards away

    2no. side dormers, external staircase and alterations to fenestration to the existing garage to provide additional ancillary accommodation to the main dwelling.

    Granted Full applications Loft or dormer Windows or glazing 12 docs
    Domestic

  • Crofton Lodge Devenish Road Sunningdale Ascot SL5 9PH

    20/02234/FULL Submitted 1 Sep 2020 150 yards away

    Single storey side extension to the existing detached garage.

    Refused Full applications Extension 16 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