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Planning application

38 Tilstone Close Eton Wick Windsor SL4 6NG

Granted Windsor and Maidenhead 26/01648/CPD Cert of Lawfulness of Proposed Dev

Works: Loft or dormer Windows or glazing

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 formation of habitable room in roofspace with side dormer, 1 No front and side rooflights, 1 No. rear window and part hip to gable is lawful.

As published by the council, reference 26/01648/CPD

Application record

Reference
26/01648/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Granted As published: Permitted Development
Received
6 Jul 2026
Validated
6 Jul 2026
Decided
7 Sep 2026
Ward
Eton And Castle
Parish
Eton Town Council
Decision by
Delegated
Postcode
SL4 6NG

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 3 applications since 2025: 1 approved, 2 refused.

  • 26/00606/FULL Refused

    38 Tilstone Close Eton Wick Windsor SL4 6NG

    1no. side dormer, hip to gable and alterations to fenestration.

    Decided 3 Jun 2026 Full applications
  • 25/02893/FULL Refused

    38 Tilstone Close Eton Wick Windsor SL4 6NG

    First floor side/rear extension, single storey rear extension, alterations to fenestration and replacement rear terrace with steps

    Decided 29 Dec 2025 Full applications

Timeline

Dates from the published record

  1. 6 Jul 2026

    Received by Windsor and Maidenhead

  2. 25 Jul 2026

    Added to PlanIndex

  3. 7 Sep 2026

    Decision issued: Permitted Development

Documents

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

12 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 grant of permission means

Windsor and Maidenhead granted permission on 7 September 2026, 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

  • 38 Tilstone Close Eton Wick Windsor SL4 6NG

    26/00606/FULL Submitted 6 Mar 2026 50 yards away

    1no. side dormer, hip to gable and alterations to fenestration.

    Refused Full applications Loft or dormer Windows or glazing 12 docs

  • 38 Tilstone Close Eton Wick Windsor SL4 6NG

    25/02893/FULL Submitted 3 Nov 2025 50 yards away

    First floor side/rear extension, single storey rear extension, alterations to fenestration and replacement rear terrace with steps

    Refused Full applications Extension Windows or glazing 9 docs
    Small domestic

  • 40 Tilstone Close Eton Wick Windsor SL4 6NG

    21/01347/FULL Submitted 4 May 2021 50 yards away

    Single storey front and rear extensions and x2 side rooflights, following demolition of the existing conservatory.

    Granted Full applications Extension Loft or dormer +1 10 docs
    Small domestic

  • 49 Tilstone Close Eton Wick Windsor SL4 6NG

    22/02307/CPD Submitted 22 Aug 2022 100 yards away

    Certificate of lawfulness to determine whether the proposed single storey side/rear extension, rear safety rail, loft conversion and alterations to fenestration is lawful.

    Refused Lawful development Extension Loft or dormer +1 15 docs
    Small domestic

  • 49 Tilstone Close Eton Wick Windsor SL4 6NG

    22/02832/CPD Submitted 20 Oct 2022 100 yards away

    Certificate of lawfulness to determine whether the proposed single storey side/rear extension, rear safety rail, loft conversion and alterations to fenestration is lawful.

    Granted Lawful development Extension Loft or dormer +1 14 docs
    Small domestic

  • 43 Tilstone Close Eton Wick Windsor SL4 6NG

    20/01699/FULL Submitted 14 Jul 2020 100 yards away

    Single storey front extension.

    Granted Full applications Extension 7 docs
    Small domestic

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