27 Copyground Lane High Wycombe Buckinghamshire HP12 3XB

1. 16 Mar 2026

   Received by Buckinghamshire

2. 1 May 2026

   Decision issued: Cert of Law PROPOSED-granted

3. 15 Sep 2026

   Added to PlanIndex

Buckinghamshire granted permission on 1 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.

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.

• 13 Whitelands Road High Wycombe Buckinghamshire HP12 3EQ

  PL/25/2887/FA Submitted 15 Aug 2025 189m away

  Insertion of 2 front rooflights and side dormer, first floor rear extension and rear dormer in conjunction with loft conversion.

  Decided Full applications Extension Loft or dormer 14 docs

• 15 Prestwood Close High Wycombe Buckinghamshire HP12 3DE

  PL/25/5561/CONDA Submitted 11 Nov 2025 240m away

  Application for approval of details subject to condition 3 (drainage) of planning approval 21/08002/FUL

  Decided Conditions 2 docs

• 15 Prestwood Close High Wycombe Buckinghamshire HP12 3DE

  PL/25/6685/CONDA Submitted 19 Jan 2026 240m away

  Application for approval of details subject to conditions 3 (surface water drainage), 4 (CTMP) and condition 5 (materials) of planning approval 20/07118/FUL (allowed on appeal APP/K0425/W/21/3267150)

  Decided Conditions 4 docs

• 41 Chairborough Road High Wycombe Buckinghamshire HP12 3HH

  PL/26/06924/SA Submitted 26 Aug 2026 241m away

  80% historically approved · decision due ~21 Oct

  Certificate of lawfulness for proposed change of use from residential use (Class C3) to small children's home (Class C2).

  Awaiting decision

• 17 Eaton Avenue High Wycombe Buckinghamshire HP12 3BP

  PL/25/3660/FA Submitted 11 Sep 2025 250m away

  Part-single/part-two storey rear extension

  Decided Full applications Extension 14 docs

• 17 Eaton Avenue High Wycombe Buckinghamshire HP12 3BP

  25/06655/CLE Submitted 14 Jul 2025 252m away

  Certificate of lawfulness for existing hip to gable loft conversion including rear dormer window and 2 roof windows to front roof slope

  Granted Lawful development Loft or dormer Windows or glazing 13 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