5 Briskman Way Aylesbury Buckinghamshire HP21 8FP

1. 26 Aug 2025

   Received by Buckinghamshire

2. 21 Oct 2025

   Decision issued: Cert of Law PROPOSED-refused

3. 12 Aug 2026

   Added to PlanIndex

Buckinghamshire refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

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.

• 16 Churchill Avenue Aylesbury Buckinghamshire HP21 8NA

  PL/26/01629/SA Submitted 26 Feb 2026 266m away

  Certificate of lawfulness for the proposed infill of existing rear single storey open sided extension.

  Refused Lawful development Extension 6 docs
  Small domestic

• 11 Churchill Avenue Aylesbury Buckinghamshire HP21 8NF

  PL/26/00568/FA Submitted 23 Jan 2026 374m away

  Part-single/part-two storey front/side/rear extension and fenestration alterations.

  Granted Full applications Extension Windows or glazing 8 docs

• 28 Oak Green Aylesbury Buckinghamshire HP21 8LJ

  PL/26/00299/FA Submitted 18 Feb 2026 471m away

  Part-single/part-two storey front, side and rear extension.

  Granted Full applications Extension 9 docs

• 33 Churchill Avenue Aylesbury Buckinghamshire HP21 8NF

  PL/25/6646/SA Submitted 19 Dec 2025 481m away

  Certificate of Lawfulness for Proposed drop kerb with hardstanding driveway

  Granted Lawful development 3 docs

• 11 Churchill Avenue Aylesbury Buckinghamshire HP21 8NF

  PL/26/06891/PNE Submitted 7 Sep 2026 483m away

  80% historically approved · decision due ~2 Nov

  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 6.00 metres, maximum height 3.00 metres, eaves height 2.7 metres).

  Awaiting decision Extension
  Small domestic

• 7 Chalgrove Walk Aylesbury Buckinghamshire HP21 8NT

  PL/26/00498/SA Submitted 22 Jan 2026 495m away

  Certificate of lawfulness for proposed loft conversion with rear dormer and three front rooflights

  Granted Lawful development Loft or dormer 5 docs

• PL/26/05794/SA Awaiting decision

  62 Cubb Field Aylesbury Buckinghamshire HP19 7SH

  Certificate of lawfulness for proposed dropped kerb

  10 Aug 2026 Lawful development
• 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/26/05893/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.

  22 Jul 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