Planning application
Walnut Tree Cottage Knowl Hill Common Knowl Hill Reading RG10 9YD
Works: Extension Loft or dormer Demolition Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Part two storey part first floor extension with 2no. side dormers to southwest elevation and alterations to fenestration following demolition of existing element.
As published by the council, reference 26/01486/FULL
Application record
- Reference
- 26/01486/FULL
- Type
- Full
- Status
- Decided
- Decision
- Application Permitted
- Received
- 16 Jun 2026
- Validated
- 18 Jun 2026
- Decided
- 14 Aug 2026
- Ward
- Hurley And Walthams
- Parish
- Hurley Parish
- Decision by
- Delegated
- Postcode
- RG10 9YD
Site history
Applications at this address on the Windsor and Maidenhead register
This site has had 2 applications since 2026: 1 approved, 0 refused.
-
26/02227/CONDIT Awaiting decision
Walnut Tree Cottage Knowl Hill Common Knowl Hill Reading RG10 9YD
Details required by Condition 4 (External lighting) and 5 (Biodiversity enhancements) of planning permission 26/01486/FULL for a Part two storey part first floor extension with 2no. side dormers to southwest elevation and alterations to fenestration following demolition of existing element.
Timeline
Dates from the published record
-
16 Jun 2026
Received by Windsor and Maidenhead
-
18 Jun 2026
Validated
Checked as complete and ready for consideration.
-
25 Jul 2026
Added to PlanIndex
-
14 Aug 2026
Decision issued: Application Permitted
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
26/02227/CONDIT Awaiting decision
Walnut Tree Cottage Knowl Hill Common Knowl Hill Reading RG10 9YD
Details required by Condition 4 (External lighting) and 5 (Biodiversity enhancements) of planning permission 26/01486/FULL for a Part two storey part first floor extension with 2no. side dormers to southwest elevation and alterations to fenestration following demolition of existing element.
Documents
Plans, drawings, consultee responses and the officer's report
26 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 14 August 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 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
-
Walnut Tree Cottage Knowl Hill Common Knowl Hill Reading RG10 9YD
93% historically approved · decision due ~4 Nov
Details required by Condition 4 (External lighting) and 5 (Biodiversity enhancements) of planning permission 26/01486/FULL for a Part two storey part first floor extension with 2no. side dormers to southwest elevation and alterations to fenestration following demolition of existing element.
Awaiting decision Conditions Extension Loft or dormer +2 4 docs -
White Cottage Knowl Hill Common Knowl Hill Reading RG10 9YD
Single storey link extension, new solar panels and alterations to fenestration.
Withdrawn Full applications Extension Windows or glazing 12 docsSmall domestic -
Knowl Hill Lodge Knowl Hill Common Knowl Hill Reading RG10 9YD
Certificate of lawfulness to determine whether the existing single storey rear extension is lawful.
Granted Lawful development Extension 9 docsSmall domestic -
Hill Rise Knowl Hill Common Knowl Hill Reading RG10 9YD
Details required by Condition 4 (biodiversity enhancements) of planning permission 23/02653/FULL for a new flat roof to single storey element and dormer on south west elevation, replacement roof, 1no. flue, 1no. pergola, relocation of external fan unit, new and alterations to steps, enlargement of existing patios and raised terrace and alterations to fenestration, external finishes and driveway following demolition of existing veranda and chimney.
Refused Conditions Loft or dormer Roofing +2 5 docsSmall domestic -
Hill Rise Knowl Hill Common Knowl Hill Reading RG10 9YD
New pool, hardstanding and ASHP.
Granted Full applications 12 docs -
Knowl Hill Grange Knowl Hill Common Knowl Hill Reading RG10 9YE
Certificate of lawfulness to determine whether the proposed detached outbuilding incidental to the main dwelling is lawful.
Granted Lawful development 9 docsSmall domestic
Other full applications
In Windsor and Maidenhead
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26/00980/FULL Granted
19 Linchfield Road Datchet Slough SL3 9NA
Single storey rear extension
-
26/01706/FULL Granted
Loraine 36 Forlease Road Maidenhead SL6 1RU
Single storey rear extension to the main dwelling, partial demolition to existing garage with a relocated door, alterations to the patio and new steps
-
26/01675/FULL Granted
59 Grove Road Windsor SL4 1HT
Increase in height of the existing side boundary brick wall following the removal of the existing timber fencing and a reduction in height and new railings to the existing front/side boundary wall.
-
26/01265/FULL Granted
107 Slough Road Datchet Slough SL3 9AQ
Single storey rear extension and alterations to fenestration following the demolition of the existing rear element.
-
26/01700/FULL Granted
4 Dhoon Rise Maidenhead SL6 1BS
Garage conversion, front bay window and a single storey front/side extension.