Conygree Cottage Butterfly Lane Elstree WD6 3AD

1. 31 Jul 2006

   Received by Hertsmere

2. 18 Sep 2006

   Validated

   Checked as complete and ready for consideration.

3. 3 Nov 2006

   Decision issued: Grant Certificate (Proposed Development)

4. 10 Oct 2026

   Added to PlanIndex

Hertsmere granted permission on 3 November 2006, 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.

• Haberdashers Askes Boys School Butterfly Lane Elstree Borehamwood Hertfordshire WD6 3AF

  21/1560/DOC Submitted 28 Jul 2021 300 yards away

  Application for approval of details reserved by condition 6 (details & precise location of replacement trees) of planning permission reference 20/1199/FUL.

  Granted Conditions Trees 7 docs

• Haberdashers Askes Boys School Butterfly Lane Elstree Hertfordshire WD6 3AF

  20/1200/LBC Submitted 6 Aug 2020 300 yards away

  Erection of a Pre-Preparatory School building and re-purposing of the Round House lodge building with the re-provision of athletic facilities, provision of associated external play areas, landscaping, and reconfiguration and extension of the Butterfly Lane car parking area (Application for Listed Building Consent). (Amended description, plans & supoorting statements received 27.11.20).

  Granted Heritage and listed buildings Extension 44 docs

• Haberdashers Askes Boys School Butterfly Lane Elstree Hertfordshire WD6 3AF

  20/1199/FUL Submitted 6 Aug 2020 300 yards away

  Erection of a Pre-Preparatory School building and re-purposing of the Round House lodge building with the re-provision of athletic facilities, provision of associated external play areas, landscaping, and reconfiguration and extension of the Butterfly Lane car parking area. (Amended description, plans & supporting statements received 27.11.20).

  Granted Full applications Extension 73 docs

• Haberdashers Askes Boys School Butterfly Lane Elstree Borehamwood Hertfordshire WD6 3AF

  21/1557/DOC Submitted 28 Jul 2021 300 yards away

  Application for approval of details reserved by condition 16 (construction management plan) of planning permission reference 20/1199/FUL.

  Granted Conditions 6 docs

• Haberdashers Askes Boys School Butterfly Lane Elstree Borehamwood Hertfordshire WD6 3AF

  21/1558/DOC Submitted 28 Jul 2021 300 yards away

  Application for approval of details reserved by condition 17 (survey report) of planning permission reference 20/1199/FUL.

  Granted Conditions 6 docs

• Haberdashers Askes Boys School Butterfly Lane Elstree Borehamwood Hertfordshire WD6 3AF

  21/1563/DOC Submitted 28 Jul 2021 300 yards away

  Application for approval of details reserved by condition 20 (landscape & ecology management plan) of planning permission reference 20/1199/FUL.

  Granted Conditions 11 docs

• 26/1156/CLP Decided

  30 Ladbrooke Drive Potters Bar Hertfordshire EN6 1QR

  Single storey rear extension. Conversion of loft to habitable space with hip-to-gable roof alterations to include rear dormer. Certificate of Lawful Development (Proposed).

  Received 12 Aug, published by the council 25 Aug 2026 Lawful development
• 26/1494/CLP Awaiting decision

  32 Billy Lows Lane Potters Bar Hertfordshire EN6 1XN

  Demolition of existing garage and temporary shed to facilitate construction of single storey side extension, conversion of loft to habitable space to include hip to gable roof alterations, rear dormer and 4x front rooflights Certificate of Lawful Development (Proposed).

  Received 16 Oct, published by the council 21 Oct 2026 Lawful development
• 26/1489/CLP Awaiting decision

  6 Minorca Close Bentley Heath Barnet Hertfordshire EN5 4FA

  Erection of detached outbuilding in the rear garden for uses ancillary to the main dwelling. Certificate of Lawful Development (Proposed).

  Received 15 Oct, published by the council 20 Oct 2026 Lawful development
• 26/1258/CLP Granted

  106 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE

  Construction of single storey rear extension. Certificate of Lawful Development (Proposed).

  Received 1 Sep, published by the council 8 Sep 2026 Lawful development
• 26/1247/CLP Decided

  314 Mutton Lane Potters Bar Hertfordshire EN6 2AX

  Conversion of loft to habitable space including hip to gable roof alterations, rear dormer and 2x front roof lights. Certificate of lawful development (Proposed).

  Received 27 Aug, published by the council 4 Sep 2026 Lawful development