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Planning application

Westchase Sunning Avenue Sunningdale Ascot SL5 9PW

Awaiting decision Windsor and Maidenhead 26/01780/FULL Full

Works: Extension Loft or dormer Small domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Single storey rear extension, 1no. side dormer, raising of the existing terrace and 1no. detached outbuilding ancillary to the main dwelling following the removal of the existing elements.

As published by the council, reference 26/01780/FULL

Application record

Reference
26/01780/FULL
Type
Full
Status
Awaiting decision
Received
21 Jul 2026
Validated
3 Aug 2026
Ward
Sunningdale And Cheapside
Parish
Sunningdale Parish
Postcode
SL5 9PW

Timeline

Dates from the published record

  1. 21 Jul 2026

    Received by Windsor and Maidenhead

  2. 3 Aug 2026

    Validated

    Checked as complete and ready for consideration.

  3. 11 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 28 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Windsor and Maidenhead took a median of 56 days over the applications it decided in the last year.

Documents

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

17 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 happens while it is decided

This application is with Windsor and Maidenhead for determination, against a statutory target of eight weeks. Over the last year Windsor and Maidenhead decided full applications in a median of 64 days. More in our guide to how long planning decisions take.

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.

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In Windsor and Maidenhead

  • 26/02029/FULL Granted

    5 Kimber Close Windsor SL4 4BJ

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

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

    Zain House 15 Wilton Crescent Windsor SL4 4YJ

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

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

    16 Devereux Road Windsor SL4 1JJ

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