Planning application
4 Leachcroft Chalfont St Peter Buckinghamshire SL9 9LG
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Certificate of Lawfulness for proposed erection of a home office in the back garden
As published by the council, reference PL/25/4099/SA
Application record
- Reference
- PL/25/4099/SA
- Type
- Certificate of Lawful Use - Proposed
- Status
- Awaiting decision
- Received
- 26 Sep 2025
- Validated
- 26 Sep 2025
- Ward
- Chalfont St Peter
- Parish
- Chalfont St Peter
- Decision by
- Delegated Decision
- Postcode
- SL9 9LG
Timeline
Dates from the published record
-
26 Sep 2025
Received by Buckinghamshire
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 21 November 2025, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Buckinghamshire took a median of 58 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
6 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 happens while it is decided
This application is with Buckinghamshire for determination, against a statutory target of eight weeks. Over the last year Buckinghamshire decided lawful development applications in a median of 56 days. More in our guide to how long planning decisions take.
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
-
46 Leachcroft Chalfont St Peter Buckinghamshire SL9 9LQ
Proposed non-material amendment to permission for (Single storey rear extension, front porch extension, dropped curb to accommodate x2 new car parking spaces, new front door, existing flat roof replaced with pitched roof matching existing, and alterations to the fenestration including new back door and new side window) granted under householder planning ref PL/25/1815/FA to allow for certain planning conditions to be varied to allow reasonable flexibility during the construction phase.
Decided Amendments Extension Windows or glazing 3 docsSmall domestic -
Land Adjacent To 79A Leachcroft Chalfont St Peter Buckinghamshire
Approval of conditions 2 (materials), 5 (ecological enhancements), 6 (ecology method statement) and 9 (highways) of planning permission PL/24/3643/FA - Demolition of garage and construction of a self-build detached dwellinghouse with access driveway to 3no. off street car parking spaces
Decided Conditions New dwelling Demolition 6 docsDomestic -
Lanivet Grove Lane Chalfont St Peter Buckinghamshire SL9 9LN
Certificate of lawfulness for the proposed erection of a two storey rear extension.
Granted Lawful development Extension 6 docs -
2 Layters Close Chalfont St Peter Buckinghamshire SL9 9HX
Part-first floor/part-two storey rear extension and construction of a vehicular access with associated hardstanding.
Decided Full applications Extension 14 docs -
Timbers Welders Lane Chalfont St Peter Buckinghamshire SL9 8TU
Application for approval of details subject to conditions 4 (trees) and 7 (ecological enhancements) of planning approval PL/25/2564/VRC
Decided Conditions Trees 6 docs -
Cumnock Nicol Road Chalfont St Peter Buckinghamshire SL9 9LY
80% historically approved · decision due ~22 Sep
Application for approval of details subject to condition 5 (ecology) of planning approval PL/25/2140/FA.
Awaiting decision
Other lawful development applications
In Buckinghamshire
-
PL/26/05794/SA Awaiting decision
62 Cubb Field Aylesbury Buckinghamshire HP19 7SH
Certificate of lawfulness for proposed dropped kerb
-
PL/26/01164/SA Refused
64 Sandholme Steeple Claydon Buckinghamshire MK18 2QE
Certificate of lawfulness for proposed dropped kerb.
-
PL/26/01589/SA Refused
3 Corn Mill Close Wing Buckinghamshire LU7 0PL
Certificate of lawfulness for the proposed single storey rear extension and part garage conversion.
-
PL/26/05893/SA Awaiting decision
Stamford House Boston Drive Bourne End Buckinghamshire SL8 5YS
Certificate of Lawfulness for proposed development to confirm the lawfulness of the construction of first floor rear extension, creating additional open plan offices.
-
PL/26/01721/SA Granted
Burton House White Lion Road Little Chalfont Buckinghamshire HP7 9LP
Certificate of lawfulness for the proposed change of use of building from Existing Office Building (Class E) to Veterinary Practice (Class E).