Planning application
Robin Hill 10 Woodhill Avenue Gerrards Cross Buckinghamshire SL9 8DW
Works: Extension Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Certificate of lawfulness for the proposed double storey rear extension and a garage conversion with associated amendments to the front and rear garage fenestration
As published by the council, reference PL/26/02855/SA
Application record
- Reference
- PL/26/02855/SA
- Type
- Certificate of Lawful Use - Proposed
- Status
- Decided
- Decision
- Granted As published: Cert of Law PROPOSED-granted
- Received
- 7 Apr 2026
- Validated
- 7 Apr 2026
- Decided
- 13 May 2026
- Ward
- Gerrards Cross and Denham
- Parish
- Gerrards Cross Town Council
- Decision by
- Delegated Decision
- Postcode
- SL9 8DW
Site history
Applications at this address on the Buckinghamshire register
This site has had 3 applications since 2025: 1 approved, 1 refused.
-
PL/26/05393/FA Decided
Robin Hill 10 Woodhill Avenue Gerrards Cross Buckinghamshire SL9 8DW
Double storey side / rear extension including associated amendments to the roof, single storey rear extension, new garage roof with front pitch to match extension and general amendments to fenestration including 3 no. Juliet balconies.
-
PL/25/2211/SA Refused
Robin Hill 10 Woodhill Avenue Gerrards Cross Buckinghamshire SL9 8DW
Conversion of the existing garage and its integration with the main house. The proposal also includes a 4-metre extension on the rear of ground floor and a 3-metre extension on rear of the first floor.
Timeline
Dates from the published record
-
7 Apr 2026
Received by Buckinghamshire
-
13 May 2026
Decision issued: Cert of Law PROPOSED-granted
-
8 Oct 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Natalie Horner Architectural Design Agent, an architecture practice
14 applications on PlanIndex · across 2 councils · 92% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
8 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.
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Open the documentsWhat this grant of permission means
Buckinghamshire granted permission on 13 May 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
-
Robin Hill 10 Woodhill Avenue Gerrards Cross Buckinghamshire SL9 8DW
Conversion of the existing garage and its integration with the main house. The proposal also includes a 4-metre extension on the rear of ground floor and a 3-metre extension on rear of the first floor.
Refused Lawful development Extension 16 docs -
Robin Hill 10 Woodhill Avenue Gerrards Cross Buckinghamshire SL9 8DW
85% historically approved · decision due ~28 Aug
Double storey side / rear extension including associated amendments to the roof, single storey rear extension, new garage roof with front pitch to match extension and general amendments to fenestration including 3 no. Juliet balconies.
Decided Extension Windows or glazingSmall domestic -
Woodview 10 Hillcrest Waye Gerrards Cross Buckinghamshire SL9 8DN
85% historically approved · decision due ~4 Nov
Crown reduction in height and spread by up to 2m of T1 (Beech) growing close to house and for general maintenance; crown reduction to previous cuts by up to 2.5m of T4 (Plum) to restrict large size; reduction in height only by up to 5m of T5 (Willow) to keep a contained shape and remove weight load to mitigate failure of overextended leaders; crown reduction in height by 1m and laterally by up to 0.5m of T6 (Acer) for general maintenance.
Awaiting decision Trees -
Mill Lane House 30 Mill Lane Gerrards Cross Buckinghamshire SL9 8BA
85% historically approved · decision due ~4 Dec
Eucalyptus (T105) - Reduce height by up to 5m-6m and reduce the lateral spread by up to 2m. The tree has outgrown its current space and now extends over the adjacent road. The proposed reduction is to maintain appropriate highway clearance, reduce encroachment over the carriageway, and reduce the overall size of the crown to a more manageable scale whilst retaining the tree's amenity value.
Awaiting decision Trees -
Beechdene 79 Marsham Way Gerrards Cross Buckinghamshire SL9 8AW
T1. Oak - Reduce length of lowest limbs BY 30/40%,. T2. Oak - Reduce length of two lowest limbs over the road by 30/40%. T3. Oak - Remove limb toward railway line/crown lift remainder to 7m. (TPO/SBDC/2001/05)
Granted Trees 3 docs -
Lockwood House 7 Beech Waye Gerrards Cross Buckinghamshire SL9 8BL
First floor side extension and the addition of two front dormers, internal alterations including part garage conversion. First floor rear balcony with privacy screen.
Granted Full applications Extension Loft or dormer 8 docs
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-
PL/26/07397/EU Awaiting decision
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Certificate of lawfulness for existing use of property as a block of eight self-contained flats, each falling within use class C3.