Planning application
1 Colenorton Crescent Eton Wick Windsor SL4 6NW
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.
-
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.
-
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.
Timeline
Dates from the published record
-
13 Feb 2026
Received by Windsor and Maidenhead
-
18 Mar 2026
Decision issued: Permitted Development
-
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 documentsWhat 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
Garage conversion, 2no. single storey side/rear extensions and alterations to fenestration.
Granted Full applications Extension Windows or glazing 13 docsSmall domestic -
1 Colenorton Crescent Eton Wick Windsor SL4 6NW
Garage conversion, single storey side extension, single storey side/rear extension and new hardstanding.
Refused Full applications Extension 6 docsSmall domestic -
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.
Refused Lawful development Loft or dormer 5 docs -
158 Eton Wick Road Eton Wick Windsor SL4 6NL
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
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 docsSmall domestic -
156 Eton Wick Road Eton Wick Windsor SL4 6NL
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 docsSmall domestic
Other lawful development applications
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.
-
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.
-
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.
-
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.
-
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.