Planning application
Hollytree House St Leonards Hill Windsor SL4 4AL
Works: Extension Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Two storey rear extension, replacement first floor rear balcony and alterations to fenestration
As published by the council, reference 25/02870/FULL
Application record
- Reference
- 25/02870/FULL
- Type
- Full
- Status
- Decided
- Decision
- Application Permitted
- Received
- 29 Oct 2025
- Validated
- 30 Oct 2025
- Decided
- 23 Dec 2025
- Ward
- Clewer And Dedworth East
- Parish
- Windsor Unparished
- Decision by
- Delegated
- Postcode
- SL4 4AL
Site history
Applications at this address on the Windsor and Maidenhead register
This site has had 2 applications since 2022: 2 approved, 0 refused.
-
22/00130/FULL Granted
Hollytree House St Leonards Hill Windsor SL4 4AL
Two storey rear extension, replacement balcony, relocation of existing stairs and door on ground level and alterations to fenestration.
Timeline
Dates from the published record
-
29 Oct 2025
Received by Windsor and Maidenhead
-
30 Oct 2025
Validated
Checked as complete and ready for consideration.
-
23 Dec 2025
Decision issued: Application Permitted
-
11 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
21 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 23 December 2025, 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 full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
Hollytree House St Leonards Hill Windsor SL4 4AL
Two storey rear extension, replacement balcony, relocation of existing stairs and door on ground level and alterations to fenestration.
Granted Full applications Extension Windows or glazing 21 docs -
Cedar Heights St Leonards Hill Windsor SL4 4AL
Certificate of lawfulness to determine whether the proposed detached pool facilities outbuilding with canopy and 2 open canopy structures is lawful.
Granted Lawful development 11 docs -
Cedar Heights St Leonards Hill Windsor SL4 4AL
Replacement bay windows, replacement balustrades, new steps, installation of photovoltaic panels and alterations to the external finishes, rainwater goods, doors and fenestration.
Granted Full applications Windows or glazing 21 docs -
Kings Copse House St Leonards Hill Windsor SL4 4AL
Part single, part two storey rear extension, first floor side extension, x2 new balconies, x1 rear external staircase, raising of the ridge and eves to provide additional habitable space with 1 x dormer to front elevation, x4 new roof windows, x1 new window to front elevation, x2 new windows to left elevation and alteration to fenestration.
Granted Full applications Extension Loft or dormer +2 30 docs -
Clearview St Leonards Hill Windsor SL4 4AL
(T6) Oak - reduction of branches by up to 2m overhanging the property of Kings Copse House to leave a branch spread on this aspect of 8m and (G5) Thuja x 7 - reduction of branches by 2-3m overhanging the property of Kings Copse House to leave a branch spread on this aspect of 1m. (TPO 2 of 1960).
Granted Trees 8 docs -
Knoll House St Leonards Hill Windsor SL4 4AL
Replacement dwelling and detached garage.
Refused Full applications 131 docsDomestic
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26/00685/FULL Granted
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Relocation of front entrance door, new front canopy, single storey side infill extension, part single part two storey rear extension, first floor side extension, 1no. front dormer and alterations to fenestration and external finishes following demolition of existing elements.
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26/01566/FULL Refused
20 Victoria Road Eton Wick Windsor SL4 6LY
New front boundary treatment, piers and gates (part retrospective).
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26/01732/FULL Granted
27 Hemsdale Maidenhead SL6 6SL
Enlargement and conversion of the existing garage, single storey side/rear extension and alterations to fenestration.
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26/01676/FULL Granted
51 Upper Village Road Ascot SL5 7AJ
Single storey side/rear extension.
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26/01227/FULL Granted
92 Kennel Ride Ascot SL5 7NW
Two storey side extension with canopy, single storey rear extension alterations to fenestration and a detached outbuilding ancillary to the main dwelling.