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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
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.

Trade members open them 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 500 metres

  • 38 Tilstone Close Eton Wick Windsor SL4 6NG

    26/00606/FULL Submitted 6 Mar 2026 0m 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 3m 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 17m 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 73m 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 74m 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

  • 18 Tilstone Close Eton Wick Windsor SL4 6NG

    21/01215/FULL Submitted 20 Apr 2021 110m away

    Single storey front and rear extensions, single storey side/rear extension to garage, part garage conversion into habitable accommodation and alterations and raising of garage roof.

    Granted Full applications Extension 12 docs
    Small domestic

In Windsor and Maidenhead

  • 26/01743/CPD Refused

    1 Aston Mead Windsor SL4 5PW

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

    16 Jul 2026 Lawful development
  • 26/01828/CPU Granted

    Concorde Park Concorde Road Maidenhead SL6 4FJ

    Certificate of lawfulness to determine whether a private hire operators licence for taxi services is lawful.

    27 Jul 2026 Lawful development
  • 26/01853/CPU Granted

    20 Craufurd Rise Maidenhead SL6 7LS

    Certificate of lawfulness to determine whether the proposed use of a room on the ground floor as private hire operators licence is lawful.

    27 Jul 2026 Lawful development
  • 26/01781/CPD Refused

    163 Arthur Road Windsor SL4 1RZ

    Certificate of lawfulness to determine whether the proposed rear L shaped dormer with Juliet balcony and new air source heat pump are lawful.

    21 Jul 2026 Lawful development
  • 26/01553/CLU Granted

    64 Priors Way Maidenhead SL6 2EN

    Certificate of lawfulness to determine whether the existing use of building as self-contained residential dwelling as per details set out in Statutory Declaration is lawful.

    24 Jun 2026 Lawful development