18 Weller Road Amersham Buckinghamshire HP6 6LG

1. 29 Aug 2025

   Received by Buckinghamshire

2. 10 Oct 2025

   Decision issued: Cert of Law PROPOSED-granted

3. 12 Aug 2026

   Added to PlanIndex

Buckinghamshire granted permission on 10 October 2025, 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.

• 21 Weller Road Amersham Buckinghamshire HP6 6LG

  PL/25/3289/SA Submitted 29 Aug 2025 28m away

  Single storey side extension.

  Granted Lawful development Extension 8 docs
  Small domestic

• 8A Weller Road Amersham Buckinghamshire HP6 6LQ

  PL/26/01170/FA Submitted 13 Feb 2026 107m away

  Two storey side extension with demolition of existing lean to canopy. Erection of a rear dormer.

  Granted Full applications Extension Loft or dormer +1 5 docs

• 9 Quill Hall Lane Amersham Buckinghamshire HP6 6LL

  PL/25/4930/FA Submitted 24 Oct 2025 142m away

  Householder application for single storey rear extension to replace section of existing conservatory/store

  Granted Full applications Extension 8 docs
  Small domestic

• Quill Hall Farm Quill Hall Lane Amersham Buckinghamshire HP6 6LL

  PL/26/06042/OA Submitted 29 Jul 2026 178m away

  80% historically approved · decision due ~23 Sep

  Outline planning application with some matters reserved for erection of up to 190 dwellings and a community building (Class F2), including associated car parking, open space, drainage and associated works (matter to be considered at this stage: access).

  Awaiting decision
  Major scheme

• 51 Roundwood Road Amersham Buckinghamshire HP6 6LZ

  PL/26/05317/SA Submitted 1 Jul 2026 181m away

  80% historically approved · decision due ~26 Aug

  Certificate of lawfulness for the proposed dropped kerb

  Awaiting decision

• 65 Plantation Road Amersham Buckinghamshire HP6 6HW

  PL/26/01245/FA Submitted 16 Feb 2026 201m away

  Demolition of existing garage, part two, part single storey side and rear extensions, single storey front porch extension.

  Refused Full applications Extension Demolition 11 docs
  Small domestic

• 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