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Planning application

17 Coworth Close Sunningdale Ascot SL5 0NR

Granted Windsor and Maidenhead 21/00385/CPD Cert of Lawfulness of Proposed Dev

Works: Loft or dormer

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Certificate of lawfulness to determine whether the proposed x3 front rooflights and x1 rear dormer to facilitate a loft conversion is lawful.

As published by the council, reference 21/00385/CPD

Application record

Reference
21/00385/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Granted As published: Application Permitted
Received
9 Feb 2021
Validated
11 Feb 2021
Decided
27 May 2021
Ward
Sunningdale And Cheapside
Parish
Sunningdale Parish
Decision by
Delegated
Postcode
SL5 0NR

Timeline

Dates from the published record

  1. 9 Feb 2021

    Received by Windsor and Maidenhead

  2. 11 Feb 2021

    Validated

    Checked as complete and ready for consideration.

  3. 27 May 2021

    Decision issued: Application Permitted

  4. 12 Sep 2026

    Added to PlanIndex

Documents

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

20 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 grant of permission means

Windsor and Maidenhead granted permission on 27 May 2021, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 16 Coworth Close Sunningdale Ascot SL5 0NR

    26/01044/CPD Submitted 28 Apr 2026 50 yards away

    Certificate of lawfulness to determine whether the proposed loft conversion, 1no. rear dormer and 2no. front and 1no. rear rooflights and changes to the fenestration are lawful.

    Granted Lawful development Loft or dormer Windows or glazing 8 docs

  • 32 Coworth Close Sunningdale Ascot SL5 0NR

    25/02110/FULL Submitted 18 Aug 2025 100 yards away

    Single storey front/side extension to the existing porch and alterations to fenestration following the removal of the existing mono pitched roof and existing elements.

    Granted Full applications Extension Windows or glazing 13 docs
    Small domestic

  • 15 Churchfield Cottages Bedford Lane Sunningdale Ascot SL5 0NN

    22/00054/FULL Submitted 11 Jan 2022 150 yards away

    Part single/part two storey rear extension, 1x new rooflight and x1 Juliet balcony to front elevation.

    Granted Full applications Extension Loft or dormer 13 docs

  • Cherry Tree Cottage Bedford Lane Sunningdale Ascot SL5 0NP

    24/00358/FULL Submitted 9 Feb 2024 150 yards away

    Two storey north/east extension, 1no. balcony with external staircase, part raising of the ridge to accommodate a loft conversion and 2no. dormers to east elevation.

    Refused Full applications Extension Loft or dormer 20 docs

  • Woodland South of Coworth Park Copse Wood And East of Whitmore Lane Ascot

    22/03382/TPO Submitted 20 Dec 2022 200 yards away

    (T1) - Scots Pine - Crown reduce by 2-3m, leaving a final height of 18m and spread of 8m. Ivy removal. (069/2003/TPO and 001/1957/TPO)

    Granted Trees 10 docs

  • 27 Churchfield Cottages Bedford Lane Sunningdale Ascot SL5 0NN

    22/01010/FULL Submitted 13 Apr 2022 200 yards away

    First floor side/rear extension and enlargement of the existing rear dormer with the installation of a juliet balcony.

    Refused Full applications Extension Loft or dormer 22 docs

In Windsor and Maidenhead

  • 26/02222/CPD Refused

    52 Audley Way Ascot SL5 8EF

    Certificate of lawfulness to determine whether the proposed single storey rear extension following the removal of the existing conservatory is lawful.

    Received 8 Sep, published by the council 24 Sep 2026 Lawful development
  • 26/01954/CPD Withdrawn

    Mulberry House Waltham Road Maidenhead SL6 3NH

    Certificate of lawfulness to determine whether the single storey rear extension is lawful.

    Received 7 Aug, published by the council 16 Aug 2026 Lawful development
  • 26/01856/CLU Granted

    Apple Tree Cottage And Land Adjacent To Apple Tree Cottage Paley Street Maidenhead

    Certificate of lawfulness to determine whether the existing use of the land as a residential garden incidental to the main dwelling is lawful

    Received 28 Jul, published by the council 24 Aug 2026 Lawful development
  • 26/02022/CPD Refused

    14 Church View White Waltham Maidenhead SL6 3JQ

    Certificate of lawfulness to determine whether the proposed 1no. rear dormer and alterations to fenestration are lawful

    Received 17 Aug, published by the council 2 Sep 2026 Lawful development
  • 26/01862/CLU Granted

    Holyport Pre School Holyport Youth Club Moneyrow Green Holyport Maidenhead SL6 2NA

    Certificate of lawfulness to determine whether the existing use of the site as a pre-school is lawful.

    Received 29 Jul, published by the council 4 Aug 2026 Lawful development