Planning application
86 Parsonage Lane Windsor SL4 5EN
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 3no. front rooflights, hip to gable and1no. rear dormer with Juliet balcony are lawful.
As published by the council, reference 26/00348/CPD
Application record
- Reference
- 26/00348/CPD
- Type
- Cert of Lawfulness of Proposed Dev
- Status
- Decided
- Decision
- Permitted Development
- Received
- 10 Feb 2026
- Validated
- 10 Feb 2026
- Decided
- 27 Feb 2026
- Ward
- Clewer East
- Parish
- Windsor Unparished
- Decision by
- Delegated
- Postcode
- SL4 5EN
Timeline
Dates from the published record
-
10 Feb 2026
Received by Windsor and Maidenhead
-
27 Feb 2026
Decision issued: Permitted Development
-
25 Jul 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
11 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 documentsWhat this grant of permission means
Windsor and Maidenhead granted permission on 27 February 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
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1 Haslemere Road Windsor SL4 5ET
Single storey rear extension, x1 new rooflight to rear elevation and alteration to fenestration.
Granted Full applications Extension Loft or dormer +1 12 docsSmall domestic -
3 Haslemere Road Windsor SL4 5ET
71% historically approved · decision due ~5 Nov
Single storey rear/side extension and new roof to existing rear element following demolition of existing rear extension.
Awaiting decision Full applications Extension Roofing +1 8 docsSmall domestic -
10 Oak Lane Windsor SL4 5EU
Certificate of lawfulness to determine whether the proposed single storey rear extension is lawful.
Granted Lawful development Extension 9 docsSmall domestic -
35 Oak Lane Windsor SL4 5EU
First floor rear extension, x1 front rooflight and alterations to fenestration.
Granted Full applications Extension Loft or dormer +1 7 docs -
4 Haslemere Road Windsor SL4 5ES
Certificate of lawfulness to determine whether the proposed hip to gable roof extension and rear dormer to accommodate a loft conversion, x2 rooflights to front elevation, removal of chimney and outbuilding is lawful.
Granted Lawful development Extension Loft or dormer 16 docs -
4 Haslemere Road Windsor SL4 5ES
Single storey side/rear extension following demolition of existing element.
Granted Full applications Extension Demolition 15 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.