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 34m 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 51m 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 52m 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 86m 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 94m 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

• 77 Manor Way Borehamwood Hertfordshire WD6 1QR

  26/0919/PD42 Submitted 6 Jul 2026 94m away

  87% historically approved · decision due ~31 Aug

  Single storey rear extension. Depth: 6.0m Height: 3.2m, Eaves: 2.4m.

  Awaiting decision Extension 6 docs
  Small domestic

• 26/0981/CLE Decided

  4 Honeywood Close Potters Bar Hertfordshire EN6 5QE

  Existing use as an HMO (Class C4). Certificate of Lawful Development (Existing).

  16 Jul 2026 Lawful development
• 26/1014/CLP Decided

  24 Mount Grace Road Potters Bar Hertfordshire EN6 1RD

  Construction of a single-storey outbuilding within the rear garden. Certificate of Lawful Development (Proposed).

  22 Jul 2026 Lawful development
• 26/1015/CLP Decided

  24 Mount Grace Road Potters Bar Hertfordshire EN6 1RD

  Construction of a single-storey BBQ within the garden. Certificate of Lawful Development (Proposed).

  22 Jul 2026 Lawful development
• 26/1021/CLP Decided

  57 Aberdale Gardens Potters Bar Hertfordshire EN6 2JN

  Conversion of loft to habitable space to include hip to gable roof alterations, rear dormer and 3x front rooflights. Certificate of Lawful Development (Proposed).

  22 Jul 2026 Lawful development
• 26/0996/CLE Decided

  8 Melrose Avenue Potters Bar Hertfordshire EN6 1SZ

  Existing use as a HMO (Class C4). Certificate of Lawful Development (Existing).

  20 Jul 2026 Lawful development