15 Thornbury Gardens Borehamwood Hertfordshire WD6 1RB

1. 23 Jun 2026

   Received by Hertsmere

2. 24 Jul 2026

   Added to PlanIndex

3. 17 Aug 2026

   Decision issued

4. 30 Aug 2026

   Status changed to Decided

   Previously Awaiting decision.

Hertsmere has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. 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.

• 41 Thornbury Gardens Borehamwood Hertfordshire WD6 1RB

  24/0963/HSE Submitted 24 Jul 2024 50 yards away

  Demolition of existing ground floor rear conservatory, outbuilding and front porch. Construction of replacement part single part two storey rear extension, single storey front extension and new outbuilding in rear garden.

  Granted Householder Extension Demolition 8 docs
  Small domestic

• 32 Thornbury Gardens Borehamwood Hertfordshire WD6 1RF

  24/1220/HSE Submitted 24 Sep 2024 50 yards away

  Single storey rear extension.

  Granted Householder Extension 7 docs
  Small domestic

• 45 Thornbury Gardens Borehamwood WD6 1RB

  TP/13/0037 Submitted 8 Jan 2013 50 yards away

  Erection of new front porch, canopy extension and creation of bay window.

  Granted Householder Extension Windows or glazing 5 docs
  Small domestic

• 40 Manor Way Borehamwood Hertfordshire WD6 1QY

  21/0600/HSE Submitted 22 Mar 2021 100 yards away

  Single storey rear extension. (amended plans received 24/06/2021 reducing rear extension depth).

  Granted Householder Extension 16 docs
  Small domestic

• 87 Manor Way Borehamwood Hertfordshire WD6 1QR

  26/0629/HSE Submitted 11 May 2026 100 yards away

  Demolition of existing outbuilding and construction of single storey side extension with associated roof alterations.

  Decided Householder Extension Roofing +1 7 docs
  Small domestic

• 62 Thornbury Gardens Borehamwood Hertfordshire WD6 1RE

  26/0831/PD42 Submitted 16 Jun 2026 100 yards away

  Single storey rear extension. Depth: 5.90m, Height: 3.27m, Eaves: 3.00m.

  Decided Extension 8 docs
  Small domestic

• 26/1315/CLP Granted

  52 Carrington Avenue Borehamwood Hertfordshire WD6 2HA

  Replacement rear dormer and alterations to front roof lights. Certificate of lawful development (Proposed).

  Received 10 Sep, published by the council 19 Sep 2026 Lawful development
• 26/1220/CLP Decided

  The Farm House The Green Letchmore Heath Watford Hertfordshire WD25 8ES

  Removal of approximately 1.4m of private garden hedge and installation of an inward-opening pedestrian gate and posts, with a maximum overall height of 1.0 metre above existing ground level, wholly within the property boundary. Certificate of Lawful Development (Proposed).

  Received 24 Aug, published by the council 28 Aug 2026 Lawful development
• 26/1300/CLP Granted

  111 Church Road Potters Bar Hertfordshire EN6 1EY

  Conversion of loft to habitable space to include rear dormer, 3x front rooflights and removal of chimney stack. Certificate of Lawful Development (Proposed).

  Received 7 Sep, published by the council 14 Sep 2026 Lawful development
• 26/1573/CLP Awaiting decision

  49 Warenford Way Borehamwood Hertfordshire WD6 5ER

  Construction of single storey outbuilding Certificate of Lawful Development (Proposed).

  Received 29 Oct, published by the council 6 Nov 2026 Lawful development
• 26/1276/CLE Granted

  81 Barton Way Borehamwood Hertfordshire WD6 1PQ

  Retention of existing use of an outbuilding as a self-contained dwellinghouse. Certificate of Lawful Development (Existing).

  Received 3 Sep, published by the council 9 Sep 2026 Lawful development