21 Coningsby Road High Wycombe Buckinghamshire HP13 5NX

This site has had 2 applications since 2025: 1 approved, 1 refused.

• PL/25/4524/SA Refused

  21 Coningsby Road High Wycombe Buckinghamshire HP13 5NX

  Certificate of Lawfulness for proposed change of use from dwelling house (Use Class C3) to a small house in multiple occupation (Use Class C4). Construction of rear dormer window and hip to gable works (Class B), single storey ground floor rear extension (Class A), and conversion under Class L of Part 3 of Schedule 2 of the GPDO to a small House in Multiple Occupation (Class C4)

  Decided 4 Dec 2025 Lawful development

1. 10 Oct 2025

   Received by Buckinghamshire

2. 4 Dec 2025

   Decision issued: Cert of Law PROPOSED-granted

3. 10 Aug 2026

   Added to PlanIndex

Buckinghamshire granted permission on 4 December 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 Coningsby Road High Wycombe Buckinghamshire HP13 5NX

  PL/25/4524/SA Submitted 10 Oct 2025 50 yards away

  Certificate of Lawfulness for proposed change of use from dwelling house (Use Class C3) to a small house in multiple occupation (Use Class C4). Construction of rear dormer window and hip to gable works (Class B), single storey ground floor rear extension (Class A), and conversion under Class L of Part 3 of Schedule 2 of the GPDO to a small House in Multiple Occupation (Class C4)

  Refused Lawful development Extension Loft or dormer +1 23 docs
  Small domestic

• 20 Coningsby Road High Wycombe Buckinghamshire HP13 5NX

  PL/25/6806/TP Submitted 29 Dec 2025 50 yards away

  Crown reduce by 3.5 metres in order to maintain the health of the tree and to ensure it remains well balanced and attractive x 1 Copper Beech (T1)

  Granted Trees 4 docs

• 186 Hughenden Road High Wycombe Buckinghamshire HP13 5PD

  PL/25/6055/SA Submitted 1 Dec 2025 150 yards away

  Certificate of Lawfulness for Proposed C4 HMO for up to 6-occupants, Addition of dormer to rear of the property

  Granted Lawful development Loft or dormer 10 docs

• 111 Hughenden Road High Wycombe Buckinghamshire HP13 5HT

  PL/25/6374/PNE Submitted 12 Dec 2025 150 yards away

  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 2.65 metres)

  Refused Extension 11 docs
  Small domestic

• 125 Hughenden Road High Wycombe Buckinghamshire HP13 5HT

  PL/26/07106/PNE Submitted 4 Sep 2026 150 yards away

  85% historically approved · decision due ~30 Oct

  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 5.00 metres, maximum height 4.00 metres, eaves height 2.70 metres)

  Decided Extension
  Small domestic

• Land Rear Of 125, 125A & 125B Hughenden Road High Wycombe Buckinghamshire HP13 5HT

  PL/26/07873/FA Submitted 13 Oct 2026 150 yards away

  85% historically approved · decision due ~8 Dec

  Change of use of the existing external yard to a hand car-wash premises together with the installation of an associated waiting area, store unit, and a wash area covered by canopies with boundary treatment and a dropped kerb (retrospective)

  Awaiting decision

• 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