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Planning application

1 Colenorton Crescent Eton Wick Windsor SL4 6NW

Granted Windsor and Maidenhead 26/00390/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 loft conversion with hip to gable roof alteration, 1no. rear dormer with 1 no. rear juliet balcony and alterations to fenestration to include 3 no. front rooflights is lawful.

As published by the council, reference 26/00390/CPD

Application record

Reference
26/00390/CPD
Type
Cert of Lawfulness of Proposed Dev
Status
Decided
Decision
Granted As published: Permitted Development
Received
13 Feb 2026
Validated
13 Feb 2026
Decided
18 Mar 2026
Ward
Eton And Castle
Parish
Eton Town Council
Decision by
Delegated
Postcode
SL4 6NW

Site history

Applications at this address on the Windsor and Maidenhead register

This site has had 4 applications since 2025: 2 approved, 2 refused.

  • 26/00970/FULL Granted

    1 Colenorton Crescent Eton Wick Windsor SL4 6NW

    Garage conversion, 2no. single storey side/rear extensions and alterations to fenestration.

    Decided 15 Jul 2026 Full applications
  • 25/03098/FULL Refused

    1 Colenorton Crescent Eton Wick Windsor SL4 6NW

    Garage conversion, single storey side extension, single storey side/rear extension and new hardstanding.

    Decided 2 Feb 2026 Full applications
  • 25/03099/CPD Refused

    1 Colenorton Crescent Eton Wick Windsor SL4 6NW

    Certificate of lawfulness to determine whether the proposed Loft Conversion with rear dormer and hip to gable conversion. Three rooflights to front elevation. is lawful.

    Decided 23 Jan 2026 Lawful development

Timeline

Dates from the published record

  1. 13 Feb 2026

    Received by Windsor and Maidenhead

  2. 18 Mar 2026

    Decision issued: Permitted Development

  3. 25 Jul 2026

    Added to PlanIndex

Documents

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

5 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 18 March 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

  • 1 Colenorton Crescent Eton Wick Windsor SL4 6NW

    26/00970/FULL Submitted 20 Apr 2026 50 yards away

    Garage conversion, 2no. single storey side/rear extensions and alterations to fenestration.

    Granted Full applications Extension Windows or glazing 13 docs
    Small domestic
  • 1 Colenorton Crescent Eton Wick Windsor SL4 6NW

    25/03098/FULL Submitted 25 Nov 2025 50 yards away

    Garage conversion, single storey side extension, single storey side/rear extension and new hardstanding.

    Refused Full applications Extension 6 docs
    Small domestic
  • 1 Colenorton Crescent Eton Wick Windsor SL4 6NW

    25/03099/CPD Submitted 25 Nov 2025 50 yards away

    Certificate of lawfulness to determine whether the proposed Loft Conversion with rear dormer and hip to gable conversion. Three rooflights to front elevation. is lawful.

    Refused Lawful development Loft or dormer 5 docs
  • 158 Eton Wick Road Eton Wick Windsor SL4 6NL

    21/00608/FULL Submitted 1 Mar 2021 100 yards away

    Two storey rear extension and alterations to fenestration.

    Granted Full applications Extension Windows or glazing 8 docs
  • 156 Eton Wick Road Eton Wick Windsor SL4 6NL

    22/01563/FULL Submitted 7 Jun 2022 100 yards away

    Single storey front extension, part single part two storey side/rear extension and alterations to fenestration, following demolition of the existing outbuilding.

    Granted Full applications Extension Demolition +1 12 docs
    Small domestic
  • 156 Eton Wick Road Eton Wick Windsor SL4 6NL

    21/03446/FULL Submitted 19 Nov 2021 100 yards away

    Single storey front extension, part single part two storey side/rear extension and alterations to fenestration, following part demolition of the existing outbuilding.

    Granted Full applications Extension Demolition +1 16 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.

    Received 16 Jul, published by the council 31 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.

    Received 27 Jul, published by the council 24 Aug 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.

    Received 27 Jul, published by the council 24 Aug 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.

    Received 21 Jul, published by the council 27 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.

    Received 24 Jun, published by the council 25 Jul 2026 Lawful development