PL/25/4668/SA

1. 16 Oct 2025

   Received by Buckinghamshire

2. 25 Nov 2025

   Decision issued: Cert of Law PROPOSED-granted

3. 4 Aug 2026

   Added to PlanIndex

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

• PL/25/2221/FA Refused

  64 Penn Drive Denham Green Buckinghamshire UB9 5JR

  Part two storey part single storey rear extension, two storey side extension and rebuilding the existing side garage on the ground floor.

  14 Jul 2025 119m away Full applications
• PL/25/5006/FA Refused

  36 Nightingale Way Denham Green Buckinghamshire UB9 5JL

  Erection of additional storey, loft conversion with 2 x dormers and 2 x rooflights and alterations to existing fenestration at ground floor

  8 Dec 2025 124m away Full applications
• PL/25/5289/FA Granted

  The Haven Denham Green Lane Denham Buckinghamshire UB9 5LG

  Erection of a single storey rear extension, front roof alteration and all associated works.

  5 Nov 2025 203m away Full applications
• PL/25/5288/SA Granted

  The Haven Denham Green Lane Denham Buckinghamshire UB9 5LG

  Certificate of Lawfulness for proposed erection of a rear dormer loft conversion and all associated works

  5 Nov 2025 207m away Lawful development
• PL/26/05051/FA Awaiting decision

  6 Bowyer Crescent Denham Buckinghamshire UB9 5JE

  Erection of a part ground-floor rear extension and part first-floor rear extension

  6 Jul 2026 263m away Full applications
• PL/26/05397/CONDA Awaiting decision

  The Tilehouse Centre Nightingale Way Denham Green Buckinghamshire UB9 5JL

  Application for approval of details subject to condition 9 (construction traffic management plan) 10 (construction environment management plan) 11 (landscape and ecological management plan) of planning approval PL/25/3683/FA

  3 Jul 2026 270m away Conditions

• PL/26/01164/SA Refused

  64 Sandholme Steeple Claydon Buckinghamshire MK18 2QE

  Certificate of lawfulness for proposed dropped kerb.

  12 Feb 2026 Lawful development
• 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.

  25 Feb 2026 Lawful development
• 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).

  2 Mar 2026 Lawful development
• PL/26/05515/SA Awaiting decision

  Dinton Hall Upton Road Dinton Buckinghamshire HP17 8UQ

  Certificate of lawfulness application for proposed crossover field access point.

  21 Jul 2026 Lawful development
• PL/26/05843/SA Awaiting decision

  Land at Springfield Farm, South Heath, Buckinghamshire

  Certificate of Proposed Lawful Development for the temporary storage of soil stockpiles at Springfield Farm field at South Heath, Buckinghamshire

  21 Jul 2026 Lawful development