4 Leachcroft Chalfont St Peter Buckinghamshire SL9 9LG

1. 26 Sep 2025

   Received by Buckinghamshire

2. 10 Aug 2026

   Added to PlanIndex

3. 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 60 days over the applications it decided in the last year.

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.

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.

• 33 Leachcroft Chalfont St Peter Buckinghamshire SL9 9LD

  PL/26/08648/PNE Submitted 23 Oct 2026 100 yards away

  85% historically approved · decision due ~18 Dec

  Notification under The Town and Country Planning (General Permitted Development) Order 2015, Part 1 of Schedule 2 Class A for: single storey rear extension (depth extending from the original rear wall of 3.60 metres, maximum height 3.20 metres, eaves height 2.70 metres)

  Awaiting decision Extension
  Small domestic

• 46 Leachcroft Chalfont St Peter Buckinghamshire SL9 9LQ

  PL/25/4826/NMA Submitted 22 Oct 2025 150 yards away

  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 docs
  Small domestic

• Land Adjacent To 79A Leachcroft Chalfont St Peter Buckinghamshire

  PL/25/3047/CONDA Submitted 20 Aug 2025 250 yards away

  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 docs
  Domestic

• Lanivet Grove Lane Chalfont St Peter Buckinghamshire SL9 9LN

  PL/26/01347/SA Submitted 18 Feb 2026 250 yards away

  Certificate of lawfulness for the proposed erection of a two storey rear extension.

  Granted Lawful development Extension 6 docs

• St Minver Nicol Road Chalfont St Peter Buckinghamshire SL9 9LT

  PL/26/02854/SA Submitted 2 Apr 2026 250 yards away

  Certificate of lawfulness for the proposed changes to fenestration

  Granted Lawful development Windows or glazing 5 docs

• 2 Layters Close Chalfont St Peter Buckinghamshire SL9 9HX

  PL/25/4652/FA Submitted 16 Oct 2025 250 yards away

  Part-first floor/part-two storey rear extension and construction of a vehicular access with associated hardstanding.

  Granted Full applications Extension 14 docs

• PL/26/01937/SA Granted

  63 Ingram Avenue Aylesbury Buckinghamshire HP21 9DJ

  Certificate of lawfulness for proposed dropped kerb.

  Received 18 Mar, published by the council 17 Sep 2026 Lawful development
• PL/26/02452/SA Granted

  217A Desborough Avenue High Wycombe Buckinghamshire HP11 2TW

  Certificate of lawfulness for the proposed erection of an outbuilding.

  Received 25 Mar, published by the council 25 Sep 2026 Lawful development
• PL/26/00836/SA Granted

  33 South View Downley Buckinghamshire HP13 5UL

  Certificate of lawfulness for the proposal to create new access at the front of the property.

  Received 2 Feb, published by the council 4 Aug 2026 Lawful development
• PL/26/07553/SA Awaiting decision

  4 Marlborough Road Aylesbury Buckinghamshire HP21 8AU

  Certificate of Lawfulness for proposed new vehicular crossover (dropped kerb) to 4.6m total width including transition kerbs, with associated enlargement of the opening in the front boundary wall, and formation of a permeable hardstanding within the front garden to provide off-street parking for the existing dwellinghouse. Works are engineering/building operations as defined by s55 TCPA 1990. No change of use is proposed; the dwelling remains in Use Class C3. Existing drop kerb reinstated.

  Received 18 Sep, published by the council 3 Oct 2026 Lawful development
• PL/26/07397/EU Awaiting decision

  22 Priory Road High Wycombe Buckinghamshire HP13 6SL

  Certificate of lawfulness for existing use of property as a block of eight self-contained flats, each falling within use class C3.

  Received 14 Sep, published by the council 3 Oct 2026 Lawful development